[bug#38506] gnu: rust-cbindgen: update to 0.11.0

diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index b4bb599dcc..2e03db9f64 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -29,11 +29,45 @@ 
 ;;;
 ;;; Please: Try to add new module packages in alphabetic order.
 ;;;
+(define-public rust-addr2line
+  (package
+    (name "rust-addr2line")
+    (version "0.10.0")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "addr2line" version))
+        (file-name
+          (string-append name "-" version ".crate"))
+        (sha256
+          (base32
+            "1daaxrzk6fmfzaqi06y704hcw0rjz199l0n9214ybfm3m3jnmc4m"))))
+    (build-system cargo-build-system)
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-cpp-demangle" ,rust-cpp-demangle)
+         ("rust-fallible-iterator"
+          ,rust-fallible-iterator)
+         ("rust-gimli" ,rust-gimli)
+         ("rust-intervaltree" ,rust-intervaltree)
+         ("rust-lazycell" ,rust-lazycell)
+         ("rust-object-0.12.0" ,rust-object-0.12.0)
+         ("rust-rustc-demangle" ,rust-rustc-demangle)
+         ("rust-smallvec-0.6.13" ,rust-smallvec-0.6.13))))
+    (home-page
+      "https://github.com/gimli-rs/addr2line")
+    (synopsis
+      "A cross-platform symbolication library written in Rust, using `gimli`")
+    (description
+      "This package provides a cross-platform symbolication library written in Rust, using `gimli`")
+    (license #f)))
 
-(define-public rust-adler32-1.0
+(define-public rust-adler32
   (package
     (name "rust-adler32")
-    (version "1.0.3")
+    (version "1.0.4")
     (source
       (origin
         (method url-fetch)
@@ -42,18 +76,47 @@ 
           (string-append name "-" version ".crate"))
         (sha256
           (base32
-            "0p7fxlnks9l7p7rwfqi7aqgnk2bps5zc0rjiw00mdw19nnbjjlky"))))
+            "1hnan4fgmnidgn2k84hh2i67c3wp2c5iwd5hs61yi7gwwx1p6bjx"))))
+    (build-system cargo-build-system)
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/remram44/adler32-rs")
+    (synopsis
+      "Minimal Adler32 implementation for Rust.")
+    (description
+      "Minimal Adler32 implementation for Rust.")
+    (license license:zlib)))
+
+(define-public rust-afl
+  (package
+    (name "rust-afl")
+    (version "0.5.2")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "afl" version))
+        (file-name
+          (string-append name "-" version ".crate"))
+        (sha256
+          (base32
+            "0azpi917l8nhvx25n2v670nvkxkrhcwmddfi85qnr6kchmi6y946"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/remram44/adler32-rs")
-    (synopsis "Implementation of the Adler32 rolling hash algorithm")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-cc" ,rust-cc)
+         ("rust-clap" ,rust-clap)
+         ("rust-rustc-version" ,rust-rustc-version)
+         ("rust-xdg" ,rust-xdg))))
+    (home-page "https://github.com/rust-fuzz/afl.rs")
+    (synopsis
+      "Fuzzing Rust code with american-fuzzy-lop")
     (description
-     "This library is an implementation of the Adler32 rolling hash algorithm in
-the Rust programming language.")
-    (properties '((hidden? . #t)))
-    (license (list license:bsd-3
-                   license:zlib))))
+      "Fuzzing Rust code with american-fuzzy-lop")
+    (license license:asl2.0)))
 
-(define-public rust-ansi-term-0.11
+(define-public rust-ansi-term-0.11.0
   (package
     (name "rust-ansi-term")
     (version "0.11.0")
@@ -61,42 +124,128 @@  the Rust programming language.")
       (origin
         (method url-fetch)
         (uri (crate-uri "ansi_term" version))
-        (file-name (string-append name "-" version ".crate"))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "16wpvrghvd0353584i1idnsgm0r3vchg8fyrm0x8ayv1rgvbljgf"))))
+          (base32
+            "16wpvrghvd0353584i1idnsgm0r3vchg8fyrm0x8ayv1rgvbljgf"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/ogham/rust-ansi-term")
-    (synopsis "Library for ANSI terminal colours and styles")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-winapi" ,rust-winapi))))
+    (home-page
+      "https://github.com/ogham/rust-ansi-term")
+    (synopsis
+      "Library for ANSI terminal colours and styles (bold, underline)")
     (description
-     "This is a library for controlling colours and formatting, such as red bold
-text or blue underlined text, on ANSI terminals.")
-    (properties '((hidden? . #t)))
+      "Library for ANSI terminal colours and styles (bold, underline)")
     (license license:expat)))
 
-(define-public rust-antidote-1.0
+(define-public rust-arrayref
   (package
-    (name "rust-antidote")
-    (version "1.0.0")
+    (name "rust-arrayref")
+    (version "0.3.5")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "arrayref" version))
+        (file-name
+          (string-append name "-" version ".crate"))
+        (sha256
+          (base32
+            "1vphy316jbgmgckk4z7m8csvlyc8hih9w95iyq48h8077xc2wf0d"))))
+    (build-system cargo-build-system)
+    (arguments `(#:skip-build? #t))
+    (home-page "https://github.com/droundy/arrayref")
+    (synopsis
+      "Macros to take array references of slices")
+    (description
+      "Macros to take array references of slices")
+    (license #f)))
+
+(define-public rust-arrayvec
+  (package
+    (name "rust-arrayvec")
+    (version "0.5.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "arrayvec" version))
+        (file-name
+          (string-append name "-" version ".crate"))
+        (sha256
+          (base32
+            "1f5mca8kiiwhvhxd1mbnq68j6v6rk139sch567zwwzl6hs37vxyg"))))
+    (build-system cargo-build-system)
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-serde" ,rust-serde))))
+    (home-page "https://github.com/bluss/arrayvec")
+    (synopsis
+      "A vector with fixed capacity, backed by an array (it can be stored on the stack too). Implements fixed capacity ArrayVec and ArrayString.")
+    (description
+      "This package provides a vector with fixed capacity, backed by an array (it can be stored on the stack too).  Implements fixed capacity ArrayVec and ArrayString.")
+    (license #f)))
+
+(define-public rust-arrayvec-0.4.12
+  (package
+    (name "rust-arrayvec")
+    (version "0.4.12")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "antidote" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "arrayvec" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "19g2sw2qa2ibnh4x7j1snk46593jgx6y7rnvva496ynq61af5z9l"))))
+          (base32
+            "1fdiv5m627gh6flp4mpmi1mh647imm9x423licsr11psz97d97yd"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/sfackler/rust-antidote")
-    (synopsis "Poison-free Mutex and RwLock types")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-nodrop" ,rust-nodrop)
+         ("rust-serde" ,rust-serde))))
+    (home-page "https://github.com/bluss/arrayvec")
+    (synopsis
+      "A vector with fixed capacity, backed by an array (it can be stored on the stack too). Implements fixed capacity ArrayVec and ArrayString.")
     (description
-    "These types expose identical APIs to the standard library @code{Mutex} and
-@code{RwLock} except that they do not return @code{PoisonError}s.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "This package provides a vector with fixed capacity, backed by an array (it can be stored on the stack too).  Implements fixed capacity ArrayVec and ArrayString.")
+    (license #f)))
+
+(define-public rust-atlatl
+  (package
+    (name "rust-atlatl")
+    (version "0.1.2")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "atlatl" version))
+        (file-name
+          (string-append name "-" version ".crate"))
+        (sha256
+          (base32
+            "18kyvdm56fdb52b1sryi80xgs3nkjdylynsv324aiqnj85l1bfrj"))))
+    (build-system cargo-build-system)
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-fnv" ,rust-fnv)
+         ("rust-num-traits" ,rust-num-traits)
+         ("rust-serde" ,rust-serde))))
+    (home-page
+      "https://github.com/tapeinosyne/atlatl")
+    (synopsis "Double-array tries.")
+    (description "Double-array tries.")
+    (license #f)))
 
-(define-public rust-atty-0.2
+(define-public rust-atty
   (package
     (name "rust-atty")
     (version "0.2.13")
@@ -104,1571 +253,2008 @@  text or blue underlined text, on ANSI terminals.")
       (origin
         (method url-fetch)
         (uri (crate-uri "atty" version))
-        (file-name (string-append name "-" version ".crate"))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "140sswp1bwqwc4zk80bxkbnfb3g936hgrb77g9g0k1zcld3wc0qq"))))
+          (base32
+            "140sswp1bwqwc4zk80bxkbnfb3g936hgrb77g9g0k1zcld3wc0qq"))))
     (build-system cargo-build-system)
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-libc" ,rust-libc)
+         ("rust-winapi" ,rust-winapi))))
     (home-page "https://github.com/softprops/atty")
     (synopsis "A simple interface for querying atty")
     (description
-     "This package provides a simple interface for querying atty.")
-    (properties '((hidden? . #t)))
+      "This package provides a simple interface for querying atty")
     (license license:expat)))
 
-(define-public rust-autocfg-0.1
+(define-public rust-backtrace
   (package
-    (name "rust-autocfg")
-    (version "0.1.7")
+    (name "rust-backtrace")
+    (version "0.3.40")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "autocfg" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "backtrace" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1chwgimpx5z7xbag7krr9d8asxfqbh683qhgl9kn3hxk2l0djj8x"))))
+          (base32
+            "1skpshz0gszhpmj51p35ci9nf4nmd79s899cfrfs570dgxcpck4j"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/cuviper/autocfg")
-    (synopsis "Automatic cfg for Rust compiler features")
-    (description "Rust library for build scripts to automatically configure
-code based on compiler support.  Code snippets are dynamically tested to see
-if the @code{rustc} will accept them, rather than hard-coding specific version
-support.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-addr2line" ,rust-addr2line)
+         ("rust-backtrace-sys" ,rust-backtrace-sys)
+         ("rust-cfg-if" ,rust-cfg-if)
+         ("rust-compiler-builtins"
+          ,rust-compiler-builtins)
+         ("rust-cpp-demangle" ,rust-cpp-demangle)
+         ("rust-findshlibs" ,rust-findshlibs)
+         ("rust-goblin-0.0.24" ,rust-goblin-0.0.24)
+         ("rust-libc" ,rust-libc)
+         ("rust-memmap" ,rust-memmap)
+         ("rust-rustc-demangle" ,rust-rustc-demangle)
+         ("rust-rustc-serialize" ,rust-rustc-serialize)
+         ("rust-rustc-std-workspace-core"
+          ,rust-rustc-std-workspace-core)
+         ("rust-serde" ,rust-serde)
+         ("rust-winapi" ,rust-winapi))))
+    (home-page
+      "https://github.com/rust-lang/backtrace-rs")
+    (synopsis
+      "A library to acquire a stack trace (backtrace) at runtime in a Rust program.
+")
+    (description
+      "This package provides a library to acquire a stack trace (backtrace) at runtime in a Rust program.
+")
+    (license #f)))
 
-(define-public rust-backtrace-sys-0.1
+(define-public rust-backtrace-sys
   (package
     (name "rust-backtrace-sys")
-    (version "0.1.31")
+    (version "0.1.32")
     (source
       (origin
         (method url-fetch)
         (uri (crate-uri "backtrace-sys" version))
-        (file-name (string-append name "-" version ".crate"))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0as2pk77br4br04daywhivpi1ixxb8y2c7f726kj849dxys31a42"))))
+          (base32
+            "14c406z8bdmms8a5l8cv79jfkz1mk10qk5p97izf4vai53qparax"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/rust-lang/backtrace-rs")
-    (synopsis "Bindings to the libbacktrace gcc library")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-compiler-builtins"
+          ,rust-compiler-builtins)
+         ("rust-libc" ,rust-libc)
+         ("rust-rustc-std-workspace-core"
+          ,rust-rustc-std-workspace-core))))
+    (home-page
+      "https://github.com/alexcrichton/backtrace-rs")
+    (synopsis
+      "Bindings to the libbacktrace gcc library
+")
     (description
-     "This package provides bindings to the libbacktrace gcc library.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Bindings to the libbacktrace gcc library
+")
+    (license #f)))
 
-(define-public rust-base-x-0.2
+(define-public rust-base-x
   (package
     (name "rust-base-x")
-    (version "0.2.5")
+    (version "0.2.6")
     (source
       (origin
         (method url-fetch)
         (uri (crate-uri "base-x" version))
-        (file-name (string-append name "-" version ".crate"))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0hv4y5cdhv6bk0ghk2434clw8v4mmk5cc9lsh6qrpri92zlfmx3n"))))
+          (base32
+            "1hfy0wv7j5ynd73yk1vyr32pqa77rp15lkrc54f8ky9c6hcbc80v"))))
     (build-system cargo-build-system)
+    (arguments `(#:skip-build? #t))
     (home-page "https://github.com/OrKoN/base-x-rs")
     (synopsis "Encode/decode any base")
-    (description "This library provides for encoding and decoding any base.")
-    (properties '((hidden? . #t)))
+    (description "Encode/decode any base")
     (license license:expat)))
 
-(define-public rust-bencher-0.1
+(define-public rust-base64-0.10.1
   (package
-    (name "rust-bencher")
-    (version "0.1.5")
+    (name "rust-base64")
+    (version "0.10.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "base64" version))
+        (file-name
+          (string-append name "-" version ".crate"))
+        (sha256
+          (base32
+            "13k6bvd3n6dm7jqn9x918w65dd9xhx454bqphbnv0bkd6n9dj98b"))))
+    (build-system cargo-build-system)
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-byteorder" ,rust-byteorder))))
+    (home-page
+      "https://github.com/marshallpierce/rust-base64")
+    (synopsis
+      "encodes and decodes base64 as bytes or utf8")
+    (description
+      "encodes and decodes base64 as bytes or utf8")
+    (license #f)))
+
+(define-public rust-bincode
+  (package
+    (name "rust-bincode")
+    (version "1.2.0")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "bencher" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "bincode" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1x8p2xblgqssay8cdykp5pkfc0np0jk5bs5cx4f5av097aav9zbx"))))
+          (base32
+            "14jzj61c145s9jwr1i213b7mdcmv1ny4z1lns9s8gvp34j9n7axq"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/bluss/bencher/")
-    (synopsis "Port of the libtest benchmark runner to Rust stable")
-    (description "This package provides a port of the libtest (unstable Rust)
-benchmark runner to Rust stable releases.  Supports running benchmarks and
-filtering based on the name.  Benchmark execution works exactly the same way
-and no more (caveat: black_box is still missing!).")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-byteorder" ,rust-byteorder)
+         ("rust-serde" ,rust-serde))))
+    (home-page "https://github.com/servo/bincode")
+    (synopsis
+      "A binary serialization / deserialization strategy that uses Serde for transforming structs into bytes and vice versa!")
+    (description
+      "This package provides a binary serialization / deserialization strategy that uses Serde for transforming structs into bytes and vice versa!")
+    (license license:expat)))
 
-(define-public rust-bitflags-1
+(define-public rust-bitflags
   (package
     (name "rust-bitflags")
-    (version "1.1.0")
+    (version "1.2.1")
     (source
       (origin
         (method url-fetch)
         (uri (crate-uri "bitflags" version))
-        (file-name (string-append name "-" version ".crate"))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1zc1qb1hwsnl2d8rhzicsv9kqd5b2hwbrscrcfw5as4sfr35659x"))))
+          (base32
+            "14qnd5nq8p2almk79m4m8ydqhd413yaxsyjp5xd19g3mikzf47fg"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/bitflags/bitflags")
-    (synopsis "Macro to generate structures which behave like bitflags")
-    (description "This package provides a macro to generate structures which
-behave like a set of bitflags.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/bitflags/bitflags")
+    (synopsis
+      "A macro to generate structures which behave like bitflags.
+")
+    (description
+      "This package provides a macro to generate structures which behave like bitflags.
+")
+    (license #f)))
 
-(define-public rust-blas-sys-0.7
+(define-public rust-blake2b-simd
   (package
-    (name "rust-blas-sys")
-    (version "0.7.1")
+    (name "rust-blake2b-simd")
+    (version "0.5.9")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "blas-sys" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "blake2b_simd" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0h14zjycwc76v15h8qll9z1xiryvmpvsb5gam97pqpdjrrwv5c8k"))))
+          (base32
+            "1h6hhzgvvmp9jb4pvb48h5j0w5vb1n02ahi0g26p2wg6n6m7nfxq"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/blas-lapack-rs/blas-sys")
-    (synopsis "Bindings to BLAS (Fortran)")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-arrayref" ,rust-arrayref)
+         ("rust-arrayvec" ,rust-arrayvec)
+         ("rust-constant-time-eq" ,rust-constant-time-eq))))
+    (home-page
+      "https://github.com/oconnor663/blake2_simd")
+    (synopsis
+      "a pure Rust BLAKE2b implementation with dynamic SIMD")
     (description
-     "Ths package provides bindings to BLAS (Fortran).")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "a pure Rust BLAKE2b implementation with dynamic SIMD")
+    (license license:expat)))
 
-(define-public rust-cargon-0.0
+(define-public rust-blobby
   (package
-    (name "rust-cargon")
-    (version "0.0.1")
+    (name "rust-blobby")
+    (version "0.1.2")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "cargon" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "blobby" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1cszlab7jk736p0lb50ag4l9nv72m7j41bwrmygl0lr4iz0350w2"))))
+          (base32
+            "1xicpf3s2mi5xqnx8ps5mdych4ib5nh2nfsbrsg8ar8bjk1girbg"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/bryant/argon2rs")
-    (synopsis "Thin wrapper around the Argon2 C library")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-byteorder" ,rust-byteorder))))
+    (home-page "https://github.com/RustCrypto/utils")
+    (synopsis
+      "Iterator over simple binary blob storage")
     (description
-     "This package provides a thin wrapper around the Argon2 C library.  It is
-used in argon2rs' bench suite.")
-    (properties '((hidden? . #t)))
-    (license license:wtfpl2)))
+      "Iterator over simple binary blob storage")
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-cblas-sys-0.1
+(define-public rust-bumpalo
   (package
-    (name "rust-cblas-sys")
-    (version "0.1.4")
+    (name "rust-bumpalo")
+    (version "2.6.0")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "cblas-sys" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "bumpalo" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0rgsn3klhhh09d8qf3b87zl4rwk93l2g0qzh9hhb0lff5kcfrzmn"))))
+          (base32
+            "020psxs5dlm0gdbs83rx2rcavibdshdr0fpzk3mmw65zq8ppz05d"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/blas-lapack-rs/cblas-sys")
-    (synopsis "Bindings to CBLAS (C)")
+    (arguments `(#:skip-build? #t))
+    (home-page "https://github.com/fitzgen/bumpalo")
+    (synopsis
+      "A fast bump allocation arena for Rust.")
     (description
-     "The package provides bindings to CBLAS (C).")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "This package provides a fast bump allocation arena for Rust.")
+    (license #f)))
 
-(define-public rust-cc-1.0
+(define-public rust-byteorder
   (package
-    (name "rust-cc")
-    (version "1.0.41")
+    (name "rust-byteorder")
+    (version "1.3.2")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "cc" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "byteorder" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1zxzd559dbbf1iwdzmkj7czapzccs17kqqmsj9ayijpdix5rrbld"))))
+          (base32
+            "1xbwjlmq2ziqjmjvkqxdx1yh136xxhilxd40bky1w4d7hn4xvhx7"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/alexcrichton/cc-rs")
-    (synopsis "Invoke the native C compiler")
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/BurntSushi/byteorder")
+    (synopsis
+      "Library for reading/writing numbers in big-endian and little-endian.")
     (description
-     "This package provides a build-time dependency for Cargo build scripts to
-assist in invoking the native C compiler to compile native C code into a static
-archive to be linked into Rustcode.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Library for reading/writing numbers in big-endian and little-endian.")
+    (license (list license:unlicense license:expat))))
 
-(define-public rust-cfg-if-0.1
+(define-public rust-bytes-0.4.12
   (package
-    (name "rust-cfg-if")
-    (version "0.1.10")
+    (name "rust-bytes")
+    (version "0.4.12")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "cfg-if" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "bytes" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "08h80ihs74jcyp24cd75wwabygbbdgl05k6p5dmq8akbr78vv1a7"))))
+          (base32
+            "0768a55q2fsqdjsvcv98ndg9dq7w2g44dvq1avhwpxrdzbydyvr0"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/alexcrichton/cfg-if")
-    (synopsis "Define an item depending on parameters")
-    (description "This package provides a macro to ergonomically define an item
-depending on a large number of #[cfg] parameters.  Structured like an
-@code{if-else} chain, the first matching branch is the item that gets emitted.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-byteorder" ,rust-byteorder)
+         ("rust-either" ,rust-either)
+         ("rust-iovec-0.1.4" ,rust-iovec-0.1.4)
+         ("rust-serde" ,rust-serde))))
+    (home-page "https://github.com/tokio-rs/bytes")
+    (synopsis
+      "Types and traits for working with bytes")
+    (description
+      "Types and traits for working with bytes")
+    (license license:expat)))
 
-(define-public rust-clang-sys-0.28
+(define-public rust-c2-chacha
   (package
-    (name "rust-clang-sys")
-    (version "0.28.1")
+    (name "rust-c2-chacha")
+    (version "0.2.3")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "clang-sys" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "c2-chacha" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0ls8zcqi5bmmrvrk3b6r1ym4wlivinbv590d2dvg2xn9f44mbpl1"))))
+          (base32
+            "1fzn2n9k51b8wp4m41pkdzwlk1dbkjb6ha9rqdp4jfmzl753hhi1"))))
     (build-system cargo-build-system)
-    ;(arguments
-    ; `(#:phases
-    ;   (modify-phases %standard-phases
-    ;     (add-after 'unpack 'set-environmental-variable
-    ;       (lambda* (#:key inputs #:allow-other-keys)
-    ;         (let ((clang (assoc-ref inputs "libclang")))
-    ;           (setenv "LIBCLANG_PATH"
-    ;                   (string-append clang "/lib")))
-    ;         #t)))))
-    ;(inputs
-    ; `(("libclang" ,clang)))
-    (home-page "https://github.com/KyleMayes/clang-sys")
-    (synopsis "Rust bindings for libclang")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-byteorder" ,rust-byteorder)
+         ("rust-ppv-lite86" ,rust-ppv-lite86)
+         ("rust-stream-cipher" ,rust-stream-cipher))))
+    (home-page
+      "https://github.com/cryptocorrosion/cryptocorrosion")
+    (synopsis "The ChaCha family of stream ciphers")
     (description
-     "This package provides Rust bindings for @code{libclang}.")
-    (properties '((hidden? . #t)))
-    (license license:asl2.0)))
+      "The ChaCha family of stream ciphers")
+    (license #f)))
 
-(define-public rust-clang-sys-0.26
+(define-public rust-cc
   (package
-    (inherit rust-clang-sys-0.28)
-    (name "rust-clang-sys")
-    (version "0.26.4")
+    (name "rust-cc")
+    (version "1.0.48")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "clang-sys" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "cc" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1r50dwy5hj5gq07dn0qf8222d07qv0970ymx0j8n9779yayc3w3f"))))))
+          (base32
+            "0xlzv0k5a9xsgd967d7bwwpl289l710v425zxcwdi8vccrd4capm"))))
+    (build-system cargo-build-system)
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-jobserver" ,rust-jobserver)
+         ("rust-num-cpus" ,rust-num-cpus))))
+    (home-page
+      "https://github.com/alexcrichton/cc-rs")
+    (synopsis
+      "A build-time dependency for Cargo build scripts to assist in invoking the native
+C compiler to compile native C code into a static archive to be linked into Rust
+code.
+")
+    (description
+      "This package provides a build-time dependency for Cargo build scripts to assist in invoking the native
+C compiler to compile native C code into a static archive to be linked into Rust
+code.
+")
+    (license #f)))
 
-(define-public rust-clap-2
+(define-public rust-cfg-if
   (package
-    (name "rust-clap")
-    (version "2.33.0")
+    (name "rust-cfg-if")
+    (version "0.1.10")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "clap" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "cfg-if" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1nf6ld3bims1n5vfzhkvcb55pdzh04bbhzf8nil5vvw05nxzarsh"))))
+          (base32
+            "08h80ihs74jcyp24cd75wwabygbbdgl05k6p5dmq8akbr78vv1a7"))))
     (build-system cargo-build-system)
-    (home-page "https://clap.rs/")
-    (synopsis "Command Line Argument Parser")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-compiler-builtins"
+          ,rust-compiler-builtins)
+         ("rust-rustc-std-workspace-core"
+          ,rust-rustc-std-workspace-core))))
+    (home-page
+      "https://github.com/alexcrichton/cfg-if")
+    (synopsis
+      "A macro to ergonomically define an item depending on a large number of #[cfg]
+parameters. Structured like an if-else chain, the first matching branch is the
+item that gets emitted.
+")
     (description
-     "This package provides a simple to use, efficient, and full-featured
-Command Line Argument Parser.")
-    (properties '((hidden? . #t)))
-    (license license:expat)))
+      "This package provides a macro to ergonomically define an item depending on a large number of #[cfg]
+parameters.  Structured like an if-else chain, the first matching branch is the
+item that gets emitted.
+")
+    (license #f)))
 
-(define-public rust-clicolors-control-1.0
+(define-public rust-clap
   (package
-    (name "rust-clicolors-control")
-    (version "1.0.0")
+    (name "rust-clap")
+    (version "2.33.0")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "clicolors-control" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "clap" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1y80cgarxhrd1bz5yjm81r444v6flvy36aaxrrsac0yhfd6gvavk"))))
+          (base32
+            "1nf6ld3bims1n5vfzhkvcb55pdzh04bbhzf8nil5vvw05nxzarsh"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/mitsuhiko/clicolors-control")
-    (synopsis "Common utility library to control CLI colorization")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-ansi-term-0.11.0" ,rust-ansi-term-0.11.0)
+         ("rust-atty" ,rust-atty)
+         ("rust-bitflags" ,rust-bitflags)
+         ("rust-clippy" ,rust-clippy)
+         ("rust-strsim-0.8.0" ,rust-strsim-0.8.0)
+         ("rust-term-size-0.3.1" ,rust-term-size-0.3.1)
+         ("rust-textwrap" ,rust-textwrap)
+         ("rust-unicode-width" ,rust-unicode-width)
+         ("rust-vec-map" ,rust-vec-map)
+         ("rust-yaml-rust-0.3.5" ,rust-yaml-rust-0.3.5))))
+    (home-page "https://clap.rs/")
+    (synopsis
+      "A simple to use, efficient, and full-featured Command Line Argument Parser
+")
     (description
-     "This package provides a common utility library to control CLI
-colorization.")
-    (properties '((hidden? . #t)))
+      "This package provides a simple to use, efficient, and full-featured Command Line Argument Parser
+")
     (license license:expat)))
 
-(define-public rust-cloudabi-0.0
+(define-public rust-clippy
   (package
-    (name "rust-cloudabi")
-    (version "0.0.3")
+    (name "rust-clippy")
+    (version "0.0.302")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "cloudabi" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "clippy" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0kxcg83jlihy0phnd2g8c2c303px3l2p3pkjz357ll6llnd5pz6x"))))
+          (base32
+            "1562x3sq9mgmc8j39gd34wqm7ybrdvpmj7cc1n450gwsawayw4fr"))))
     (build-system cargo-build-system)
-    (home-page "https://nuxi.nl/cloudabi/")
-    (synopsis "Low level interface to CloudABI")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-term-0.5.2" ,rust-term-0.5.2))))
+    (home-page
+      "https://github.com/rust-lang-nursery/rust-clippy")
+    (synopsis
+      "A bunch of helpful lints to avoid common pitfalls in Rust.")
     (description
-     "Low level interface to CloudABI.  Contains all syscalls and related types.")
-    (properties '((hidden? . #t)))
-    (license license:bsd-2)))
+      "This package provides a bunch of helpful lints to avoid common pitfalls in Rust.")
+    (license #f)))
 
-(define-public rust-cmake-0.1
+(define-public rust-cloudabi
   (package
-    (name "rust-cmake")
-    (version "0.1.42")
+    (name "rust-cloudabi")
+    (version "0.0.3")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "cmake" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "cloudabi" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0qkwibkvx5xjazvv9v8gvdlpky2jhjxvcz014nrixgzqfyv2byw1"))))
+          (base32
+            "0kxcg83jlihy0phnd2g8c2c303px3l2p3pkjz357ll6llnd5pz6x"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/alexcrichton/cmake-rs")
-    (synopsis "Rust build dependency for running cmake")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-bitflags" ,rust-bitflags))))
+    (home-page "https://nuxi.nl/cloudabi/")
+    (synopsis
+      "Low level interface to CloudABI. Contains all syscalls and related types.")
     (description
-     "This package provides a build dependency for running @code{cmake} to build
-a native library.  The CMake executable is assumed to be @code{cmake} unless the
-CMAKE environmental variable is set.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Low level interface to CloudABI.  Contains all syscalls and related types.")
+    (license #f)))
 
-;; This package requires features which are unavailable
-;; on the stable releases of Rust.
-(define-public rust-compiler-builtins-0.1
+(define-public rust-compiler-builtins
   (package
     (name "rust-compiler-builtins")
-    (version "0.1.19")
+    (version "0.1.21")
     (source
       (origin
         (method url-fetch)
         (uri (crate-uri "compiler_builtins" version))
-        (file-name (string-append name "-" version ".crate"))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1fpabpmg8paj4r5a37vmidh1jx1b7a6ilxm4s3xsxczx27ybjcjf"))))
+          (base32
+            "08z14y5yc4cxy2d57aaa83cp46xf7yx83y57jg785dd5fv9j1ifk"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/rust-lang-nursery/compiler-builtins")
-    (synopsis "Compiler intrinsics used by the Rust compiler")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-rustc-std-workspace-core"
+          ,rust-rustc-std-workspace-core))))
+    (home-page
+      "https://github.com/rust-lang/compiler-builtins")
+    (synopsis
+      "Compiler intrinsics used by the Rust compiler. Also available for other targets
+if necessary!
+")
     (description
-     "This package provides compiler intrinsics used by the Rust compiler.  This
-package is primarily useful when building the @code{core} crate yourself and you
-need compiler-rt intrinsics.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Compiler intrinsics used by the Rust compiler.  Also available for other targets
+if necessary!
+")
+    (license #f)))
 
-(define-public rust-constant-time-eq-0.1
+(define-public rust-constant-time-eq
   (package
     (name "rust-constant-time-eq")
     (version "0.1.4")
     (source
-     (origin
-       (method url-fetch)
-       (uri (crate-uri "constant_time_eq" version))
-       (file-name (string-append name "-" version ".crate"))
-       (sha256
-        (base32
-         "083icpr9xb72rrdxw3p4068dcspn6ai22jy7rhl2a8grfz448nlr"))))
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "constant_time_eq" version))
+        (file-name
+          (string-append name "-" version ".crate"))
+        (sha256
+          (base32
+            "083icpr9xb72rrdxw3p4068dcspn6ai22jy7rhl2a8grfz448nlr"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/cesarb/constant_time_eq")
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/cesarb/constant_time_eq")
     (synopsis
-     "Compares two equal-sized byte strings in constant time")
+      "Compares two equal-sized byte strings in constant time.")
     (description
-     "This package compares two equal-sized byte strings in constant time.
-It is inspired by the Linux kernel's @code{crypto_memneq}.")
-    (properties '((hidden? . #t)))
+      "Compares two equal-sized byte strings in constant time.")
     (license license:cc0)))
 
-(define-public rust-core-foundation-sys-0.6
+(define-public rust-core-arch
   (package
-    (name "rust-core-foundation-sys")
-    (version "0.6.2")
+    (name "rust-core-arch")
+    (version "0.1.5")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "core-foundation-sys" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "core_arch" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0fzsw1j9g1x598yhwklg59l15hwzc0pyvs01w9fg2kin4598mjp7"))))
+          (base32
+            "04vdvr9vj0f1cv2p54nsszmrrk9w1js4c0z4i0bdlajl1lydslim"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/servo/core-foundation-rs")
-    (synopsis "Bindings to Core Foundation for OS X")
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/rust-lang-nursery/stdsimd")
+    (synopsis
+      "`core::arch` - Rust's core library architecture-specific intrinsics.")
     (description
-     "Bindings to Core Foundation for OS X.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
-
-(define-public rust-curl-sys-0.4
-  (package
-    (name "rust-curl-sys")
-    (version "0.4.20")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "curl-sys" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "02542zmvl3fpdqf7ai4cqnamm4albx9j645dkjx5qr1myq8ax42y"))))
-    (build-system cargo-build-system)
-    ;(arguments
-    ; `(#:phases
-    ;   (modify-phases %standard-phases
-    ;    (add-after 'unpack 'find-openssl
-    ;      (lambda* (#:key inputs #:allow-other-keys)
-    ;        (let ((openssl (assoc-ref inputs "openssl")))
-    ;          (setenv "OPENSSL_DIR" openssl))
-    ;        #t)))))
-    ;(native-inputs
-    ; `(("pkg-config" ,pkg-config)))
-    ;(inputs
-    ; `(("curl" ,curl)
-    ;   ("nghttp2" ,nghttp2)
-    ;   ("openssl" ,openssl)
-    ;   ("zlib" ,zlib)))
-    (home-page "https://github.com/alexcrichton/curl-rust")
-    (synopsis "Native bindings to the libcurl library")
-    (description
-     "This package provides native bindings to the @code{libcurl} library.")
-    (properties '((hidden? . #t)))
-    (license license:expat)))
+      "`core::arch` - Rust's core library architecture-specific intrinsics.")
+    (license #f)))
 
-(define-public rust-data-encoding-2.1
+(define-public rust-cpp-demangle
   (package
-    (name "rust-data-encoding")
-    (version "2.1.2")
+    (name "rust-cpp-demangle")
+    (version "0.2.14")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "data-encoding" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "cpp_demangle" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "15xd6afhsjl08285piwczrafmckpp8i29padj8v12xhahshprx7l"))))
+          (base32
+            "1mm064x84868q06r4m4b7byf999nrkbhx7iyc4nchyssaxpsy5a1"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/ia0/data-encoding")
-    (synopsis "Efficient and customizable data-encoding functions")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-afl" ,rust-afl)
+         ("rust-cfg-if" ,rust-cfg-if))))
+    (home-page
+      "https://github.com/gimli-rs/cpp_demangle")
+    (synopsis "A crate for demangling C++ symbols")
     (description
-     "This library provides encodings for many different common cases, including
-hexadecimal, base32, and base64.")
-    (properties '((hidden? . #t)))
-    (license license:expat)))
+      "This package provides a crate for demangling C++ symbols")
+    (license #f)))
 
-(define-public rust-defmac-0.2
+(define-public rust-crc32fast
   (package
-    (name "rust-defmac")
-    (version "0.2.0")
+    (name "rust-crc32fast")
+    (version "1.2.0")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "defmac" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "crc32fast" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "01ff3jdmcc5waffkwllndnx5hsn414r7x1rq4ib73n7awsyzxkxv"))))
+          (base32
+            "1c9dhkvf3brrzzplcijaywxi2w8wv5578i0ryhcm7x8dmzi5s4ms"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/bluss/defmac")
-    (synopsis "Macro to define lambda-like macros inline")
-    (description "A macro to define lambda-like macros inline.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-cfg-if" ,rust-cfg-if))))
+    (home-page
+      "https://github.com/srijs/rust-crc32fast")
+    (synopsis
+      "Fast, SIMD-accelerated CRC32 (IEEE) checksum computation")
+    (description
+      "Fast, SIMD-accelerated CRC32 (IEEE) checksum computation")
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-defmac-0.1
+(define-public rust-crossbeam-deque
   (package
-    (inherit rust-defmac-0.2)
-    (name "rust-defmac")
-    (version "0.1.3")
+    (name "rust-crossbeam-deque")
+    (version "0.7.2")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "defmac" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "crossbeam-deque" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "17giv0n0n1r64z0dahfvkjy3ys517jxyhs8sd9lmgvcljpjyryxa"))))))
+          (base32
+            "1jm3rqb3qfpfywrakyy81f61xnl4jsim7lam9digw6w6cdfr9an3"))))
+    (build-system cargo-build-system)
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-crossbeam-epoch" ,rust-crossbeam-epoch)
+         ("rust-crossbeam-utils" ,rust-crossbeam-utils))))
+    (home-page
+      "https://github.com/crossbeam-rs/crossbeam/tree/master/crossbeam-deque")
+    (synopsis "Concurrent work-stealing deque")
+    (description "Concurrent work-stealing deque")
+    (license #f)))
 
-(define-public rust-dirs-1.0
+(define-public rust-crossbeam-epoch
   (package
-    (name "rust-dirs")
-    (version "1.0.3")
+    (name "rust-crossbeam-epoch")
+    (version "0.8.0")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "dirs" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "crossbeam-epoch" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "02vigc566z5i6n9wr2x8sch39qp4arn89xhhrh18fhpm3jfc0ygn"))))
+          (base32
+            "1b2mgc2gxxvyzyxgd5wvn9k42gr6f9phi2swwjawpqswy3dynr2h"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/soc/dirs-rs")
-    (synopsis "Abstractions for standard locations for various platforms")
-    (description
-     "This package provides a tiny low-level library that provides
-platform-specific standard locations of directories for config, cache and other
-data on Linux, Windows, macOS and Redox by leveraging the mechanisms defined by
-the XDG base/user directory specifications on Linux, the Known Folder API on
-Windows, and the Standard Directory guidelines on macOS.")
-    (properties '((hidden? . #t)))
-    (license (list license:expat license:asl2.0))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-cfg-if" ,rust-cfg-if)
+         ("rust-crossbeam-utils" ,rust-crossbeam-utils)
+         ("rust-lazy-static" ,rust-lazy-static)
+         ("rust-memoffset" ,rust-memoffset)
+         ("rust-scopeguard" ,rust-scopeguard))))
+    (home-page
+      "https://github.com/crossbeam-rs/crossbeam/tree/master/crossbeam-epoch")
+    (synopsis "Epoch-based garbage collection")
+    (description "Epoch-based garbage collection")
+    (license #f)))
 
-(define-public rust-discard-1.0
+(define-public rust-crossbeam-queue
   (package
-    (name "rust-discard")
-    (version "1.0.4")
+    (name "rust-crossbeam-queue")
+    (version "0.2.0")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "discard" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "crossbeam-queue" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1h67ni5bxvg95s91wgicily4ix7lcw7cq0a5gy9njrybaibhyb91"))))
+          (base32
+            "00177hj1anmb3fijm6lc95cncb19ad2kv0a2gf3jybd8cic53mnz"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/Pauan/rust-discard")
-    (synopsis "Allow for intentionally leaking memory")
-    (description "There are situations where you need to intentionally leak some
-memory but not other memory.  This package provides a discard trait which allows
-for intentionally leaking memory")
-    (properties '((hidden? . #t)))
-    (license license:expat)))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-crossbeam-utils" ,rust-crossbeam-utils))))
+    (home-page
+      "https://github.com/crossbeam-rs/crossbeam/tree/master/crossbeam-utils")
+    (synopsis "Concurrent queues")
+    (description "Concurrent queues")
+    (license #f)))
 
-(define-public rust-doc-comment-0.3
+(define-public rust-crossbeam-utils
   (package
-    (name "rust-doc-comment")
-    (version "0.3.1")
+    (name "rust-crossbeam-utils")
+    (version "0.7.0")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "doc-comment" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "crossbeam-utils" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "15rsqxgarfpb1yim9sbp9yfgj7p2dq6v51c6bq1a62paii9ylgcj"))))
+          (base32
+            "1x1rn35q2v05qif14ijfg7800d3rf3ji2cg79awnacfw5jq6si6f"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/GuillaumeGomez/doc-comment")
-    (synopsis "Macro to generate doc comments")
-    (description "This package provides a way to generate doc comments
-from macros.")
-    (properties '((hidden? . #t)))
-    (license license:expat)))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-cfg-if" ,rust-cfg-if)
+         ("rust-lazy-static" ,rust-lazy-static))))
+    (home-page
+      "https://github.com/crossbeam-rs/crossbeam/tree/master/crossbeam-utils")
+    (synopsis "Utilities for concurrent programming")
+    (description
+      "Utilities for concurrent programming")
+    (license #f)))
 
-(define-public rust-dtoa-0.4
+(define-public rust-crossbeam-utils-0.6.6
   (package
-    (name "rust-dtoa")
-    (version "0.4.4")
+    (name "rust-crossbeam-utils")
+    (version "0.6.6")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "dtoa" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "crossbeam-utils" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0phbm7i0dpn44gzi07683zxaicjap5064w62pidci4fhhciv8mza"))))
+          (base32
+            "1rk0r9n04bmq4a3g2q5qhvvlmrmx780gc6h9lmc94mwndslkz5q4"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/dtolnay/dtoa")
-    (synopsis "Fast functions for printing floating-point primitives")
-    (description "This crate provides fast functions for printing
-floating-point primitives to an @code{io::Write}.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-cfg-if" ,rust-cfg-if)
+         ("rust-lazy-static" ,rust-lazy-static))))
+    (home-page
+      "https://github.com/crossbeam-rs/crossbeam/tree/master/crossbeam-utils")
+    (synopsis "Utilities for concurrent programming")
+    (description
+      "Utilities for concurrent programming")
+    (license #f)))
 
-(define-public rust-dtoa-0.2
+(define-public rust-dirs-1.0.5
   (package
-    (inherit rust-dtoa-0.4)
-    (name "rust-dtoa")
-    (version "0.2.2")
+    (name "rust-dirs")
+    (version "1.0.5")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "dtoa" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "dirs" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0g96cap6si1g6wi62hsdk2fnj3sf5vd4i97zj6163j8hhnsl3n0d"))))))
+          (base32
+            "009rrhzj9pxyncmm2vhlj70npg0cgggv2hjbbkiwdl9vccq8kmrz"))))
+    (build-system cargo-build-system)
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-libc" ,rust-libc)
+         ("rust-redox-users" ,rust-redox-users)
+         ("rust-winapi" ,rust-winapi))))
+    (home-page "https://github.com/soc/dirs-rs")
+    (synopsis
+      "A tiny low-level library that provides platform-specific standard locations of directories for config, cache and other data on Linux, Windows, macOS and Redox by leveraging the mechanisms defined by the XDG base/user directory specifications on Linux, the Known Folder API on Windows, and the Standard Directory guidelines on macOS.")
+    (description
+      "This package provides a tiny low-level library that provides platform-specific standard locations of directories for config, cache and other data on Linux, Windows, macOS and Redox by leveraging the mechanisms defined by the XDG base/user directory specifications on Linux, the Known Folder API on Windows, and the Standard Directory guidelines on macOS.")
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-fallible-iterator-0.2
+(define-public rust-discard
   (package
-    (name "rust-fallible-iterator")
-    (version "0.2.0")
+    (name "rust-discard")
+    (version "1.0.4")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "fallible-iterator" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "discard" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1xq759lsr8gqss7hva42azn3whgrbrs2sd9xpn92c5ickxm1fhs4"))))
+          (base32
+            "1h67ni5bxvg95s91wgicily4ix7lcw7cq0a5gy9njrybaibhyb91"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/sfackler/rust-fallible-iterator")
-    (synopsis "Fallible iterator traits")
-    (description "If the @code{std} or @code{alloc} features are enabled, this
-crate provides implementations for @code{Box}, @code{Vec}, @code{BTreeMap}, and
-@code{BTreeSet}.  If the @code{std} feature is enabled, this crate additionally
-provides implementations for @code{HashMap} and @code{HashSet}.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/Pauan/rust-discard")
+    (synopsis
+      "Discard trait which allows for intentionally leaking memory")
+    (description
+      "Discard trait which allows for intentionally leaking memory")
+    (license license:expat)))
 
-(define-public rust-filetime-0.2
+(define-public rust-either
   (package
-    (name "rust-filetime")
-    (version "0.2.7")
+    (name "rust-either")
+    (version "1.5.3")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "filetime" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "either" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0sflihq2l77xjrza7yjalnxsc7dxzg25rhzcfbd9vmyfah5kimvb"))))
+          (base32
+            "1qyz1b1acad6w0k5928jw5zaq900zhsk7p8dlcp4hh61w4f6n7xv"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/alexcrichton/filetime")
-    (synopsis "Platform-agnostic accessors of timestamps in File metadata")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-serde" ,rust-serde))))
+    (home-page "https://github.com/bluss/either")
+    (synopsis
+      "The enum `Either` with variants `Left` and `Right` is a general purpose sum type with two cases.
+")
     (description
-     "This library contains a helper library for inspecting and setting the
-various timestamps of files in Rust.  This library takes into account
-cross-platform differences in terms of where the timestamps are located, what
-they are called, and how to convert them into a platform-independent
-representation.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "The enum `Either` with variants `Left` and `Right` is a general purpose sum type with two cases.
+")
+    (license #f)))
 
-(define-public rust-findshlibs-0.5
+(define-public rust-erased-serde
   (package
-    (name "rust-findshlibs")
-    (version "0.5.0")
+    (name "rust-erased-serde")
+    (version "0.3.9")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "findshlibs" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "erased-serde" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1n2vagn0q5yim32hxkwi1cjgp3yn1dm45p7z8nw6lapywihhs9mi"))))
+          (base32
+            "0q7bnxs5zskfq5iillig55g7891dllcxh2p8y8k1p2j72syf9viv"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/gimli-rs/findshlibs")
-    (synopsis "Find the set of shared libraries loaded in the current process")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-serde" ,rust-serde))))
+    (home-page
+      "https://github.com/dtolnay/erased-serde")
+    (synopsis
+      "Type-erased Serialize and Serializer traits")
     (description
-     "Find the set of shared libraries loaded in the current process with a
-cross platform API.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Type-erased Serialize and Serializer traits")
+    (license #f)))
 
-(define-public rust-fixedbitset-0.1
+(define-public rust-failure
   (package
-    (name "rust-fixedbitset")
-    (version "0.1.9")
+    (name "rust-failure")
+    (version "0.1.6")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "fixedbitset" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "failure" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0czam11mi80dbyhf4rd4lz0ihcf7vkfchrdcrn45wbs0h40dxm46"))))
+          (base32
+            "1nay5c2cgi40kp84rbiir1dgwlh9aap9jazbnxfmqrkpr49ky9zq"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/petgraph/fixedbitset")
-    (synopsis "FixedBitSet is a simple bitset collection")
-    (description "FixedBitSet is a simple bitset collection.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-backtrace" ,rust-backtrace)
+         ("rust-failure-derive" ,rust-failure-derive))))
+    (home-page
+      "https://rust-lang-nursery.github.io/failure/")
+    (synopsis
+      "Experimental error handling abstraction.")
+    (description
+      "Experimental error handling abstraction.")
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-fnv-1.0
+(define-public rust-failure-derive
   (package
-    (name "rust-fnv")
-    (version "1.0.6")
+    (name "rust-failure-derive")
+    (version "0.1.6")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "fnv" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "failure_derive" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1ww56bi1r5b8id3ns9j3qxbi7w5h005rzhiryy0zi9h97raqbb9g"))))
+          (base32
+            "022xfb9wcs1bdssfm2airsrfxpn2ccpbyh1ld2wf9483isvjbhhb"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/servo/rust-fnv")
-    (synopsis "implementation of the Fowler-Noll-Vo hash function")
-    (description "The @code{fnv} hash function is a custom @code{Hasher}
-implementation that is more efficient for smaller hash keys.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-proc-macro2" ,rust-proc-macro2)
+         ("rust-quote" ,rust-quote)
+         ("rust-syn" ,rust-syn)
+         ("rust-synstructure" ,rust-synstructure))))
+    (home-page
+      "https://rust-lang-nursery.github.io/failure/")
+    (synopsis "derives for the failure crate")
+    (description "derives for the failure crate")
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-foreign-types-shared-0.2
+(define-public rust-fallible-iterator
   (package
-    (name "rust-foreign-types-shared")
-    (version "0.2.0")
+    (name "rust-fallible-iterator")
+    (version "0.2.1")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "foreign-types-shared" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "fallible-iterator" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0kanxlif1vp0ffh2r9l610jqbkmb3183yqykxq1z5w1vay2rn7y6"))))
+          (base32
+            "1x31skjsynn2h7sq3qzyv4zlyk2w8jmqcs3phsg4qxhz52yj16qx"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/sfackler/foreign-types")
-    (synopsis "An internal crate used by foreign-types")
-    (description
-     "An internal crate used by foreign-types.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/sfackler/rust-fallible-iterator")
+    (synopsis "Fallible iterator traits")
+    (description "Fallible iterator traits")
+    (license #f)))
 
-(define-public rust-fs-extra-1.1
+(define-public rust-findshlibs
   (package
-    (name "rust-fs-extra")
-    (version "1.1.0")
+    (name "rust-findshlibs")
+    (version "0.5.0")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "fs_extra" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "findshlibs" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0x6675wdhsx277k1k1235jwcv38naf20d8kwrk948ds26hh4lajz"))))
+          (base32
+            "1n2vagn0q5yim32hxkwi1cjgp3yn1dm45p7z8nw6lapywihhs9mi"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/webdesus/fs_extra")
-    (synopsis "Extra filesystem methods")
-    (description "Expanding opportunities standard library @code{std::fs} and
-@code{std::io}.  Recursively copy folders with recept information about
-process and much more.")
-    (properties '((hidden? . #t)))
-    (license license:expat)))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-lazy-static" ,rust-lazy-static)
+         ("rust-libc" ,rust-libc))))
+    (home-page
+      "https://github.com/gimli-rs/findshlibs")
+    (synopsis
+      "Find the set of shared libraries loaded in the current process with a cross platform API")
+    (description
+      "Find the set of shared libraries loaded in the current process with a cross platform API")
+    (license #f)))
 
-(define-public rust-fuchsia-cprng-0.1
+(define-public rust-flate2
   (package
-    (name "rust-fuchsia-cprng")
-    (version "0.1.1")
+    (name "rust-flate2")
+    (version "1.0.13")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "fuchsia-cprng" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "flate2" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1fnkqrbz7ixxzsb04bsz9p0zzazanma8znfdqjvh39n14vapfvx0"))))
+          (base32
+            "03rwyh691j20ih2vcskwp1sinhf9paggrkv32fvzwli9fpsddmkb"))))
     (build-system cargo-build-system)
-    (home-page "https://fuchsia.googlesource.com/fuchsia/+/master/garnet/public/rust/fuchsia-cprng")
-    (synopsis "Fuchsia cryptographically secure pseudorandom number generator")
-    (description "Rust crate for the Fuchsia cryptographically secure
-pseudorandom number generator")
-    (properties '((hidden? . #t)))
-    (license license:bsd-3)))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-cfg-if" ,rust-cfg-if)
+         ("rust-crc32fast" ,rust-crc32fast)
+         ("rust-futures-0.1.29" ,rust-futures-0.1.29)
+         ("rust-libc" ,rust-libc)
+         ("rust-libz-sys" ,rust-libz-sys)
+         ("rust-miniz-oxide" ,rust-miniz-oxide)
+         ("rust-miniz-oxide" ,rust-miniz-oxide)
+         ("rust-miniz-sys" ,rust-miniz-sys)
+         ("rust-tokio-io-0.1.12" ,rust-tokio-io-0.1.12))))
+    (home-page
+      "https://github.com/alexcrichton/flate2-rs")
+    (synopsis
+      "Bindings to miniz.c for DEFLATE compression and decompression exposed as
+Reader/Writer streams. Contains bindings for zlib, deflate, and gzip-based
+streams.
+")
+    (description
+      "Bindings to miniz.c for DEFLATE compression and decompression exposed as
+Reader/Writer streams.  Contains bindings for zlib, deflate, and gzip-based
+streams.
+")
+    (license #f)))
 
-(define-public rust-fuchsia-zircon-0.3
+(define-public rust-fnv
   (package
-    (name "rust-fuchsia-zircon")
-    (version "0.3.3")
+    (name "rust-fnv")
+    (version "1.0.6")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "fuchsia-zircon" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "fnv" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "10jxc5ks1x06gpd0xg51kcjrxr35nj6qhx2zlc5n7bmskv3675rf"))))
+          (base32
+            "1ww56bi1r5b8id3ns9j3qxbi7w5h005rzhiryy0zi9h97raqbb9g"))))
     (build-system cargo-build-system)
-    (home-page "https://fuchsia.googlesource.com/garnet/")
-    (synopsis "Rust bindings for the Zircon kernel")
-    (description "Rust bindings for the Zircon kernel.")
-    (properties '((hidden? . #t)))
-    (license license:bsd-3)))
+    (arguments `(#:skip-build? #t))
+    (home-page "https://github.com/servo/rust-fnv")
+    (synopsis
+      "Fowlerâ\x80\x93Nollâ\x80\x93Vo hash function")
+    (description
+      "Fowlerâ\x80\x93Nollâ\x80\x93Vo hash function")
+    (license #f)))
 
-(define-public rust-fuchsia-zircon-sys-0.3
+(define-public rust-fuchsia-cprng
   (package
-    (name "rust-fuchsia-zircon-sys")
-    (version "0.3.3")
+    (name "rust-fuchsia-cprng")
+    (version "0.1.1")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "fuchsia-zircon-sys" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "fuchsia-cprng" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "19zp2085qsyq2bh1gvcxq1lb8w6v6jj9kbdkhpdjrl95fypakjix"))))
+          (base32
+            "1fnkqrbz7ixxzsb04bsz9p0zzazanma8znfdqjvh39n14vapfvx0"))))
     (build-system cargo-build-system)
-    (home-page "https://fuchsia.googlesource.com/garnet/")
-    (synopsis "Low-level Rust bindings for the Zircon kernel")
-    (description "Low-level Rust bindings for the Zircon kernel.")
-    (properties '((hidden? . #t)))
-    (license license:bsd-3)))
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://fuchsia.googlesource.com/fuchsia/+/master/garnet/public/rust/fuchsia-cprng")
+    (synopsis
+      "Rust crate for the Fuchsia cryptographically secure pseudorandom number generator")
+    (description
+      "Rust crate for the Fuchsia cryptographically secure pseudorandom number generator")
+    (license #f)))
 
-(define-public rust-futures-0.1
+(define-public rust-futures-0.1.29
   (package
     (name "rust-futures")
-    (version "0.1.28")
+    (version "0.1.29")
     (source
       (origin
         (method url-fetch)
         (uri (crate-uri "futures" version))
-        (file-name (string-append name "-" version ".crate"))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0saq8ffjw1pwf1pzhw3kq1z7dfq6wpd8x93dnni6vbkc799kkp25"))))
+          (base32
+            "1vq3cw37knnd0afw3rcjzh71i2l01v5m4ysinrrqdvnn2ql0z60v"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/rust-lang-nursery/futures-rs")
-    (synopsis "Implementation of zero-cost futures in Rust")
-    (description "An implementation of @code{futures} and @code{streams}
-featuring zero allocations, composability, and iterator-like interfaces.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://rust-lang-nursery.github.io/futures-rs")
+    (synopsis
+      "An implementation of futures and streams featuring zero allocations,
+composability, and iterator-like interfaces.
+")
+    (description
+      "An implementation of futures and streams featuring zero allocations,
+composability, and iterator-like interfaces.
+")
+    (license #f)))
 
-(define-public rust-futures-core-preview-0.3
+(define-public rust-futures-channel-preview
   (package
-    (name "rust-futures-core-preview")
-    (version "0.3.0-alpha.17")
+    (name "rust-futures-channel-preview")
+    (version "0.3.0-alpha.19")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "futures-core-preview" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "futures-channel-preview" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1xaq8m609k6cz8xydwhwp8xxyxigabcw1w9ngycfy0bnkg7iq52b"))))
+          (base32
+            "0fi6bi4lpyxjigy11y5sjg6wlc8nc71vbpmxz31c3aagjvgz9rfm"))))
     (build-system cargo-build-system)
-    (home-page "https://rust-lang-nursery.github.io/futures-rs/")
-    (synopsis "Core traits and types in for the @code{futures} library.")
-    (description "This crate provides the core traits and types in for the
-@code{futures} library.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-futures-core-preview"
+          ,rust-futures-core-preview)
+         ("rust-futures-sink-preview"
+          ,rust-futures-sink-preview))))
+    (home-page
+      "https://rust-lang-nursery.github.io/futures-rs")
+    (synopsis
+      "Channels for asynchronous communication using futures-rs.
+")
+    (description
+      "Channels for asynchronous communication using futures-rs.
+")
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-futures-cpupool-0.1
+(define-public rust-futures-core-preview
   (package
-    (name "rust-futures-cpupool")
-    (version "0.1.8")
+    (name "rust-futures-core-preview")
+    (version "0.3.0-alpha.19")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "futures-cpupool" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "futures-core-preview" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1r32456gpblzfvnkf60545v8acqk7gh5zhyhi1jn669k9gicv45b"))))
+          (base32
+            "02n66jkjhpy210dv24pz0j30lvyin5kzlrb50p1j7x8yzdin4nxk"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/rust-lang-nursery/futures-rs")
-    (synopsis "Implementation of thread pools which hand out futures")
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://rust-lang-nursery.github.io/futures-rs")
+    (synopsis
+      "The core traits and types in for the `futures` library.
+")
     (description
-     "An implementation of thread pools which hand out futures to the results of
-the computation on the threads themselves.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "The core traits and types in for the `futures` library.
+")
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-futures-io-preview-0.3
+(define-public rust-futures-executor-preview
   (package
-    (name "rust-futures-io-preview")
-    (version "0.3.0-alpha.17")
+    (name "rust-futures-executor-preview")
+    (version "0.3.0-alpha.19")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "futures-io-preview" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "futures-executor-preview" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0fhvwhdb8ywjjbfng0ra1r8yyc9yzpyxg9sv3spb3f7w0lk40bh8"))))
+          (base32
+            "161yv7wwha60mdzj1id47kh8ylnhcnv7blgwidg8xs4zpn46w8vm"))))
     (build-system cargo-build-system)
-    (home-page "https://rust-lang-nursery.github.io/futures-rs/")
-    (synopsis "Async read and write traits for the futures library")
-    (description "This crate provides the @code{AsyncRead} and
-@code{AsyncWrite} traits for the @code{futures-rs} library.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-futures-core-preview"
+          ,rust-futures-core-preview)
+         ("rust-futures-util-preview"
+          ,rust-futures-util-preview)
+         ("rust-num-cpus" ,rust-num-cpus))))
+    (home-page
+      "https://rust-lang-nursery.github.io/futures-rs")
+    (synopsis
+      "Executors for asynchronous tasks based on the futures-rs library.
+")
+    (description
+      "Executors for asynchronous tasks based on the futures-rs library.
+")
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-futures-sink-preview-0.3
+(define-public rust-futures-io-preview
   (package
-    (name "rust-futures-sink-preview")
-    (version "0.3.0-alpha.17")
+    (name "rust-futures-io-preview")
+    (version "0.3.0-alpha.19")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "futures-sink-preview" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "futures-io-preview" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1r4d0gy73hdxkh5g1lrhl1kjnwp6mywjgcj70v0z78b921da42a3"))))
+          (base32
+            "1npb04xbn2gw5rjllz88cb88fql44xxfkgcidjjj26fva3j4m4gl"))))
     (build-system cargo-build-system)
-    (home-page "https://rust-lang-nursery.github.io/futures-rs/")
-    (synopsis  "Asynchronous `Sink` trait for the futures-rs library")
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://rust-lang-nursery.github.io/futures-rs")
+    (synopsis
+      "The `AsyncRead` and `AsyncWrite` traits for the futures-rs library.
+")
     (description
-     "This package provides the asynchronous @code{Sink} trait for the
-futures-rs library.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "The `AsyncRead` and `AsyncWrite` traits for the futures-rs library.
+")
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-gcc-0.3
+(define-public rust-futures-join-macro-preview
   (package
-    (inherit rust-cc-1.0)
-    (name "rust-gcc")
-    (version "0.3.55")
+    (name "rust-futures-join-macro-preview")
+    (version "0.3.0-alpha.19")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "gcc" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "futures-join-macro-preview" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1hng1sajn4r67hndvhjysswz8niayjwvcj42zphpxzhbz89kjpwg"))))
+          (base32
+            "1smwaja466yjh5adlhgggfk9k942sy4702n46scxkrwcnkk61qjr"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/alexcrichton/cc-rs")
-    (synopsis "Library to compile C/C++ code into a Rust library/application")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-proc-macro-hack" ,rust-proc-macro-hack)
+         ("rust-proc-macro2" ,rust-proc-macro2)
+         ("rust-quote" ,rust-quote)
+         ("rust-syn" ,rust-syn))))
+    (home-page
+      "https://rust-lang-nursery.github.io/futures-rs")
+    (synopsis
+      "Definition of the `join!` macro and the `try_join!` macro.
+")
     (description
-     "This package provides a build-time dependency for Cargo build scripts to
-assist in invoking the native C compiler to compile native C code into a static
-archive to be linked into Rustcode.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Definition of the `join!` macro and the `try_join!` macro.
+")
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-getopts-0.2
+(define-public rust-futures-select-macro-preview
   (package
-    (name "rust-getopts")
-    (version "0.2.17")
+    (name "rust-futures-select-macro-preview")
+    (version "0.3.0-alpha.19")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "getopts" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri
+               "futures-select-macro-preview"
+               version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "018yhq97zgcrcxwhj3pxh31h83704sgaiijdnpl0r1ir366c005r"))))
+          (base32
+            "1xsq55cf2rnf7k6r04q8wynmxiy9svm3pi840vjva47bc0sy8anz"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/rust-lang-nursery/getopts")
-    (synopsis "Rust library for option parsing for CLI utilities")
-    (description "This library provides getopts-like option parsing.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-proc-macro-hack" ,rust-proc-macro-hack)
+         ("rust-proc-macro2" ,rust-proc-macro2)
+         ("rust-quote" ,rust-quote)
+         ("rust-syn" ,rust-syn))))
+    (home-page
+      "https://rust-lang-nursery.github.io/futures-rs")
+    (synopsis
+      "The `select!` macro for waiting on multiple different `Future`s at once and handling the first one to complete.
+")
+    (description
+      "The `select!` macro for waiting on multiple different `Future`s at once and handling the first one to complete.
+")
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-glob-0.3
+(define-public rust-futures-sink-preview
   (package
-    (name "rust-glob")
-    (version "0.3.0")
+    (name "rust-futures-sink-preview")
+    (version "0.3.0-alpha.19")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "glob" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "futures-sink-preview" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0x25wfr7vg3mzxc9x05dcphvd3nwlcmbnxrvwcvrrdwplcrrk4cv"))))
+          (base32
+            "1v7y5qvgvl0d6hd9s4k7bd5qrj2gdlrs5yfl22v5pxv9dgpliwc6"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/rust-lang-nursery/glob")
-    (synopsis "Match file paths against Unix shell style patterns")
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://rust-lang-nursery.github.io/futures-rs")
+    (synopsis
+      "The asynchronous `Sink` trait for the futures-rs library.
+")
     (description
-     "This package provides support for matching file paths against Unix
-shell style patterns.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "The asynchronous `Sink` trait for the futures-rs library.
+")
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-glob-0.2
+(define-public rust-futures-util-preview
   (package
-    (inherit rust-glob-0.3)
-    (name "rust-glob")
-    (version "0.2.11")
+    (name "rust-futures-util-preview")
+    (version "0.3.0-alpha.19")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "glob" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "futures-util-preview" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1ysvi72slkw784fcsymgj4308c3y03gwjjzqxp80xdjnkbh8vqcb"))))))
+          (base32
+            "138f8wy0vqy2gsgk28kldbqnrdcgwfv9f9xx6rwzkr8p7iinisaw"))))
+    (build-system cargo-build-system)
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-futures-0.1.29" ,rust-futures-0.1.29)
+         ("rust-futures-channel-preview"
+          ,rust-futures-channel-preview)
+         ("rust-futures-core-preview"
+          ,rust-futures-core-preview)
+         ("rust-futures-io-preview"
+          ,rust-futures-io-preview)
+         ("rust-futures-join-macro-preview"
+          ,rust-futures-join-macro-preview)
+         ("rust-futures-select-macro-preview"
+          ,rust-futures-select-macro-preview)
+         ("rust-futures-sink-preview"
+          ,rust-futures-sink-preview)
+         ("rust-memchr" ,rust-memchr)
+         ("rust-pin-utils" ,rust-pin-utils)
+         ("rust-proc-macro-hack" ,rust-proc-macro-hack)
+         ("rust-proc-macro-nested"
+          ,rust-proc-macro-nested)
+         ("rust-slab" ,rust-slab)
+         ("rust-tokio-io-0.1.12" ,rust-tokio-io-0.1.12))))
+    (home-page
+      "https://rust-lang-nursery.github.io/futures-rs")
+    (synopsis
+      "Common utilities and extension traits for the futures-rs library.
+")
+    (description
+      "Common utilities and extension traits for the futures-rs library.
+")
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-heapsize-0.4
+(define-public rust-generic-array-0.12.3
   (package
-    (name "rust-heapsize")
-    (version "0.4.2")
+    (name "rust-generic-array")
+    (version "0.12.3")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "heapsize" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "generic-array" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0q94q9ppqjgrw71swiyia4hgby2cz6dldp7ij57nkvhd6zmfcy8n"))))
+          (base32
+            "1v5jg7djicq34nbiv1dwaki71gkny002wyy9qfn3y0hfmrs053y6"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/servo/heapsize")
-    (synopsis "Measure the total runtime size of an object on the heap")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-serde" ,rust-serde)
+         ("rust-typenum" ,rust-typenum))))
+    (home-page
+      "https://github.com/fizyk20/generic-array.git")
+    (synopsis
+      "Generic types implementing functionality of arrays")
     (description
-     "Infrastructure for measuring the total runtime size of an object on the
-heap.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Generic types implementing functionality of arrays")
+    (license license:expat)))
 
-(define-public rust-heapsize-0.3
+(define-public rust-getrandom
   (package
-    (inherit rust-heapsize-0.4)
-    (name "rust-heapsize")
-    (version "0.3.9")
+    (name "rust-getrandom")
+    (version "0.1.13")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "heapsize" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "getrandom" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0dmwc37vgsdjzk10443dj4f23439i9gch28jcwzmry3chrwx8v2m"))))))
+          (base32
+            "01zlzhdbg8y6d1zrlihvm93s421g0nldiq7f1hch3kfl9slprnz7"))))
+    (build-system cargo-build-system)
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-cfg-if" ,rust-cfg-if)
+         ("rust-compiler-builtins"
+          ,rust-compiler-builtins)
+         ("rust-libc" ,rust-libc)
+         ("rust-log" ,rust-log)
+         ("rust-rustc-std-workspace-core"
+          ,rust-rustc-std-workspace-core)
+         ("rust-stdweb" ,rust-stdweb)
+         ("rust-wasi-0.7.0" ,rust-wasi-0.7.0)
+         ("rust-wasm-bindgen" ,rust-wasm-bindgen))))
+    (home-page
+      "https://github.com/rust-random/getrandom")
+    (synopsis
+      "A small cross-platform library for retrieving random data from system source")
+    (description
+      "This package provides a small cross-platform library for retrieving random data from system source")
+    (license (list license:expat license:asl2.0))))
 
-;; This package makes use of removed features
-(define-public rust-heapsize-plugin-0.1
+(define-public rust-gimli
   (package
-    (name "rust-heapsize-plugin")
-    (version "0.1.6")
+    (name "rust-gimli")
+    (version "0.19.0")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "heapsize_plugin" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "gimli" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1i72isf699q9jl167g2kg4xd6h3cd05rc79zaph58aqjy0g0m9y9"))))
+          (base32
+            "006dpaa63y01wb58nvs2hhj3qqx52yxg20njjflr0frfbyp1hb8n"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/servo/heapsize")
-    (synopsis "Measure runtime size of an object on the heap")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-arrayvec-0.4.12" ,rust-arrayvec-0.4.12)
+         ("rust-byteorder" ,rust-byteorder)
+         ("rust-fallible-iterator"
+          ,rust-fallible-iterator)
+         ("rust-indexmap" ,rust-indexmap)
+         ("rust-stable-deref-trait"
+          ,rust-stable-deref-trait))))
+    (home-page "https://github.com/gimli-rs/gimli")
+    (synopsis
+      "A library for reading and writing the DWARF debugging format.")
     (description
-     "This package automatically generates infrastructure for measuring the
-total runtime size of an object on the heap")
-    (properties `((hidden? . #t)))
-    (license license:mpl2.0)))
+      "This package provides a library for reading and writing the DWARF debugging format.")
+    (license #f)))
 
-(define-public rust-hex-0.3
+(define-public rust-goblin-0.0.22
   (package
-    (name "rust-hex")
-    (version "0.3.2")
+    (name "rust-goblin")
+    (version "0.0.22")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "hex" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "goblin" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0xsdcjiik5j750j67zk42qdnmm4ahirk3gmkmcqgq7qls2jjcl40"))))
+          (base32
+            "1a76i6zz71hjwd11pwmc8iirddj6345mfp02zl5d6bzb04sdambz"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/KokaKiwi/rust-hex")
-    (synopsis "Encode and decode data to/from hexadecimals")
-    (description "This crate allows for encoding and decoding data into/from
-hexadecimal representation.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-log" ,rust-log)
+         ("rust-plain" ,rust-plain)
+         ("rust-scroll-0.9.2" ,rust-scroll-0.9.2))))
+    (home-page "https://github.com/m4b/goblin")
+    (synopsis
+      "An impish, cross-platform, ELF, Mach-o, and PE binary parsing and loading crate")
+    (description
+      "An impish, cross-platform, ELF, Mach-o, and PE binary parsing and loading crate")
+    (license license:expat)))
 
-(define-public rust-hostname-0.1
+(define-public rust-goblin-0.0.24
   (package
-    (name "rust-hostname")
-    (version "0.1.5")
+    (name "rust-goblin")
+    (version "0.0.24")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "hostname" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "goblin" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0kprf862qaa7lwdms6aw7f3275h0j2rwhs9nz5784pm8hdmb9ki1"))))
+          (base32
+            "1c31nrraiixy0mnda2227ih3h2g1k4pllg2kwk8yj6lwj4fjdyp3"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/fengcen/hostname")
-    (synopsis "Get hostname for Rust")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-log" ,rust-log)
+         ("rust-plain" ,rust-plain)
+         ("rust-scroll-0.9.2" ,rust-scroll-0.9.2))))
+    (home-page "https://github.com/m4b/goblin")
+    (synopsis
+      "An impish, cross-platform, ELF, Mach-o, and PE binary parsing and loading crate")
     (description
-     "Get hostname for Rust.")
-    (properties '((hidden? . #t)))
+      "An impish, cross-platform, ELF, Mach-o, and PE binary parsing and loading crate")
     (license license:expat)))
 
-(define-public rust-iovec-0.1
+(define-public rust-hermit-abi
   (package
-    (name "rust-iovec")
-    (version "0.1.2")
+    (name "rust-hermit-abi")
+    (version "0.1.3")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "iovec" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "hermit-abi" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "025vi072m22299z3fg73qid188z2iip7k41ba6v5v5yhwwby9rnv"))))
+          (base32
+            "087ibb7v4dxhx1h66jjffk4zrjlhy3n4fr0x9d9y6f3zjfgkqz1h"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/carllerche/iovec")
-    (synopsis "Portable buffer type for scatter/gather I/O operations")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-compiler-builtins"
+          ,rust-compiler-builtins)
+         ("rust-libc" ,rust-libc)
+         ("rust-rustc-std-workspace-core"
+          ,rust-rustc-std-workspace-core))))
+    (home-page
+      "https://github.com/hermitcore/hermit-abi")
+    (synopsis
+      "hermit-abi is small interface to call functions from the unikernel RustyHermit.
+It is used to build the target `x86_64-unknown-hermit`.
+")
     (description
-     "Portable buffer type for scatter/gather I/O operations.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "hermit-abi is small interface to call functions from the unikernel RustyHermit.
+It is used to build the target `x86_64-unknown-hermit`.
+")
+    (license #f)))
 
-(define-public rust-itoa-0.4
+(define-public rust-hyphenation
   (package
-    (name "rust-itoa")
-    (version "0.4.4")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "itoa" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "0zvg2d9qv3avhf3d8ggglh6fdyw8kkwqg3r4622ly5yhxnvnc4jh"))))
-    (build-system cargo-build-system)
-    (home-page "https://github.com/dtolnay/itoa")
-    (synopsis "Fast functions for printing integer primitives")
-    (description "This crate provides fast functions for printing integer
-primitives to an @code{io::Write}.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
-
-(define-public rust-itoa-0.1
- (package
-   (inherit rust-itoa-0.4)
-   (name "rust-itoa")
-   (version "0.1.1")
-   (source
-     (origin
-       (method url-fetch)
-       (uri (crate-uri "itoa" version))
-       (file-name (string-append name "-" version ".crate"))
-       (sha256
-        (base32
-         "18g7p2hrb3dk84z3frfgmszfc9hjb4ps9vp99qlb1kmf9gm8hc5f"))))))
-
-(define-public rust-jemalloc-sys-0.3
-  (package
-    (name "rust-jemalloc-sys")
-    (version "0.3.2")
+    (name "rust-hyphenation")
+    (version "0.7.1")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "jemalloc-sys" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "hyphenation" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0ify9vlql01qhfxlj7d4p9jvcp90mj2h69nkbq7slccvbhzryfqd"))))
+          (base32
+            "0k5msv8calmnfd5kw1rmq4bg5hn1vcd39kbsxl57sdld63xwd4q4"))))
     (build-system cargo-build-system)
-    ;(arguments
-    ; `(#:phases
-    ;   (modify-phases %standard-phases
-    ;     (add-after 'unpack 'override-jemalloc
-    ;       (lambda* (#:key inputs #:allow-other-keys)
-    ;         (let ((jemalloc (assoc-ref inputs "jemalloc")))
-    ;           (delete-file-recursively "jemalloc")
-    ;           (setenv "JEMALLOC_OVERRIDE"
-    ;                   (string-append jemalloc "/lib/libjemalloc_pic.a")))
-    ;         #t)))))
-    ;(inputs
-    ; `(("jemalloc" ,jemalloc)))
-    (home-page "https://github.com/gnzlbg/jemallocator")
-    (synopsis "Rust FFI bindings to jemalloc")
-    (description "This package provides Rust FFI bindings to jemalloc.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-atlatl" ,rust-atlatl)
+         ("rust-bincode" ,rust-bincode)
+         ("rust-hyphenation-commons"
+          ,rust-hyphenation-commons)
+         ("rust-serde" ,rust-serde))))
+    (home-page
+      "https://github.com/tapeinosyne/hyphenation")
+    (synopsis
+      "Knuth-Liang hyphenation for a variety of languages")
+    (description
+      "Knuth-Liang hyphenation for a variety of languages")
+    (license #f)))
 
-(define-public rust-json-0.11
+(define-public rust-hyphenation-commons
   (package
-    (name "rust-json")
-    (version "0.11.14")
+    (name "rust-hyphenation-commons")
+    (version "0.7.1")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "json" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "hyphenation_commons" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1hj8c6xj5c2aqqszi8naaflmcdbya1i9byyjrq4iybxjb4q91mq1"))))
+          (base32
+            "1pasnbk3rbdgf30jjjh1h24a9pxpdrnn0ihcivmpnzqha6mn2d4y"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/maciejhirsz/json-rust")
-    (synopsis "JSON implementation in Rust")
-    (description "This crate provides a JSON implementation in Rust, reducing
-friction with idiomatic Rust structs to ease interopability.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-atlatl" ,rust-atlatl)
+         ("rust-serde" ,rust-serde))))
+    (home-page
+      "https://github.com/tapeinosyne/hyphenation")
+    (synopsis
+      "Proemial code for the `hyphenation` library")
+    (description
+      "Proemial code for the `hyphenation` library")
+    (license #f)))
 
-(define-public rust-kernel32-sys-0.2
+(define-public rust-indexmap
   (package
-    (name "rust-kernel32-sys")
-    (version "0.2.2")
+    (name "rust-indexmap")
+    (version "1.3.0")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "kernel32-sys" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "indexmap" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1389av0601a9yz8dvx5zha9vmkd6ik7ax0idpb032d28555n41vm"))))
+          (base32
+            "1ckd9vg6y71d9syz9j795bdz0dpilm6vy56s9yfwnzw2llz7nbbi"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/retep998/winapi-rs")
-    (synopsis "Function definitions for the Windows API library kernel32")
-    (description "Contains function definitions for the Windows API library
-kernel32.")
-    (properties '((hidden? . #t)))
-    (license license:expat)))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-rayon" ,rust-rayon)
+         ("rust-serde" ,rust-serde))))
+    (home-page "https://github.com/bluss/indexmap")
+    (synopsis
+      "A hash table with consistent order and fast iteration.
+
+The indexmap is a hash table where the iteration order of the key-value
+pairs is independent of the hash values of the keys. It has the usual
+hash table functionality, it preserves insertion order except after
+removals, and it allows lookup of its elements by either hash table key
+or numerical index. A corresponding hash set type is also provided.
+
+This crate was initially published under the name ordermap, but it was renamed to
+indexmap.
+")
+    (description
+      "This package provides a hash table with consistent order and fast iteration.
+
+The indexmap is a hash table where the iteration order of the key-value
+pairs is independent of the hash values of the keys.  It has the usual
+hash table functionality, it preserves insertion order except after
+removals, and it allows lookup of its elements by either hash table key
+or numerical index.  A corresponding hash set type is also provided.
 
-(define-public rust-language-tags-0.2
+This crate was initially published under the name ordermap, but it was renamed to
+indexmap.
+")
+    (license #f)))
+
+(define-public rust-intervaltree
   (package
-    (name "rust-language-tags")
-    (version "0.2.2")
+    (name "rust-intervaltree")
+    (version "0.2.4")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "language-tags" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "intervaltree" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "16hrjdpa827carq5x4b8zhas24d8kg4s16m6nmmn1kb7cr5qh7d9"))))
+          (base32
+            "10k40gsv79kwnsqrzwmnmm6psa5fqws8yggavmbggvymv16hffdg"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/pyfisch/rust-language-tags")
-    (synopsis "Language tags for Rust")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-smallvec-0.6.13" ,rust-smallvec-0.6.13))))
+    (home-page
+      "https://github.com/main--/rust-intervaltree")
+    (synopsis
+      "A simple and generic implementation of an immutable interval tree.")
     (description
-     "Language tags can be used identify human languages, scripts e.g. Latin
-script, countries and other regions.  They are commonly used in HTML and HTTP
-@code{Content-Language} and @code{Accept-Language} header fields.  This package
-currently supports parsing (fully conformant parser), formatting and comparing
-language tags.")
-    (properties '((hidden? . #t)))
+      "This package provides a simple and generic implementation of an immutable interval tree.")
     (license license:expat)))
 
-(define-public rust-lazy-static-1.3
+(define-public rust-iovec-0.1.4
   (package
-    (name "rust-lazy-static")
-    (version "1.3.0")
+    (name "rust-iovec")
+    (version "0.1.4")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "lazy_static" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "iovec" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "052ac27w189hrf1j3hz7sga46rp84zl2hqnzyihxv78mgzr2jmxw"))))
+          (base32
+            "0ph73qygwx8i0mblrf110cj59l00gkmsgrpzz1rm85syz5pymcxj"))))
     (build-system cargo-build-system)
-    (home-page  "https://github.com/rust-lang-nursery/lazy-static.rs")
-    (synopsis "Macro for declaring lazily evaluated statics in Rust")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-libc" ,rust-libc))))
+    (home-page "https://github.com/carllerche/iovec")
+    (synopsis
+      "Portable buffer type for scatter/gather I/O operations
+")
     (description
-     "This package provides a macro for declaring lazily evaluated statics in
-Rust.  Using this macro, it is possible to have @code{static}s that require code
-to be executed at runtime in order to be initialized.  This includes anything
-requiring heap allocations, like vectors or hash maps, as well as anything that
-requires non-const function calls to be computed.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Portable buffer type for scatter/gather I/O operations
+")
+    (license #f)))
 
-(define-public rust-libc-0.2
+(define-public rust-itoa
   (package
-    (name "rust-libc")
-    (version "0.2.65")
+    (name "rust-itoa")
+    (version "0.4.4")
     (source
-     (origin
-       (method url-fetch)
-       (uri (crate-uri "libc" version))
-       (file-name (string-append name "-" version ".crate"))
-       (sha256
-        (base32
-         "1s14bjxnz6haw0gr1h3j4sr7s2s407hpgm8dxhwnl7yzgxia0c8s"))))
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "itoa" version))
+        (file-name
+          (string-append name "-" version ".crate"))
+        (sha256
+          (base32
+            "0zvg2d9qv3avhf3d8ggglh6fdyw8kkwqg3r4622ly5yhxnvnc4jh"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/rust-lang/libc")
-    (synopsis "Raw FFI bindings to platform libraries like libc")
+    (arguments `(#:skip-build? #t))
+    (home-page "https://github.com/dtolnay/itoa")
+    (synopsis
+      "Fast functions for printing integer primitives to an io::Write")
     (description
-     "libc provides all of the definitions necessary to easily
-interoperate with C code (or \"C-like\" code) on each of the platforms
-that Rust supports. This includes type definitions (e.g., c_int),
-constants (e.g., EINVAL) as well as function headers (e.g., malloc).
+      "Fast functions for printing integer primitives to an io::Write")
+    (license #f)))
 
-This crate exports all underlying platform types, functions, and
-constants under the crate root, so all items are accessible as
-@samp{libc::foo}.  The types and values of all the exported APIs match
-the platform that libc is compiled for.")
-    (properties '((hidden? . #t)))
-    (license (list license:expat
-                   license:asl2.0))))
-
-(define-public rust-libgit2-sys-0.8
+(define-public rust-jobserver
   (package
-    (name "rust-libgit2-sys")
-    (version "0.8.2")
+    (name "rust-jobserver")
+    (version "0.1.17")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "libgit2-sys" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "jobserver" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0y2mibmx7wy91s2kmb2gfb29mrqlqaxpy5wcwr8s1lwws7b9w5sc")) ))
+          (base32
+            "0q61p39nw0bdx6w0wkjv1kcha5mbhcfdl4z1hxrhpcskyhpd9cgj"))))
     (build-system cargo-build-system)
-    ;(arguments
-    ; `(#:phases
-    ;  (modify-phases %standard-phases
-    ;    (add-after 'unpack 'find-openssl
-    ;      (lambda* (#:key inputs #:allow-other-keys)
-    ;        (let ((openssl (assoc-ref inputs "openssl")))
-    ;          (setenv "OPENSSL_DIR" openssl))
-    ;        (delete-file-recursively "libgit2")
-    ;        (setenv "LIBGIT2_SYS_USE_PKG_CONFIG" "1")
-    ;        (setenv "LIBSSH2_SYS_USE_PKG_CONFIG" "1")
-    ;        #t)))))
-    ;(native-inputs
-    ; `(("pkg-config" ,pkg-config)))
-    ;(inputs
-    ; `(("libgit2" ,libgit2)
-    ;   ("openssl" ,openssl)
-    ;   ("zlib" ,zlib)))
-    (home-page "https://github.com/rust-lang/git2-rs")
-    (synopsis "Native bindings to the libgit2 library")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-getrandom" ,rust-getrandom)
+         ("rust-libc" ,rust-libc)
+         ("rust-log" ,rust-log))))
+    (home-page
+      "https://github.com/alexcrichton/jobserver-rs")
+    (synopsis
+      "An implementation of the GNU make jobserver for Rust
+")
     (description
-     "This package provides native rust bindings to the @code{libgit2} library.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "An implementation of the GNU make jobserver for Rust
+")
+    (license #f)))
 
-(define-public rust-libgit2-sys-0.7
+(define-public rust-kernel32-sys
   (package
-    (inherit rust-libgit2-sys-0.8)
-    (name "rust-libgit2-sys")
-    (version "0.7.11")
+    (name "rust-kernel32-sys")
+    (version "0.2.2")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "libgit2-sys" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "kernel32-sys" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1wcvg2qqra2aviasvqcscl8gb2rnjnd6h998wy5dlmf2bnriqi28"))))
-    (build-system cargo-build-system)))
+          (base32
+            "1389av0601a9yz8dvx5zha9vmkd6ik7ax0idpb032d28555n41vm"))))
+    (build-system cargo-build-system)
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-winapi-0.2.8" ,rust-winapi-0.2.8))))
+    (home-page
+      "https://github.com/retep998/winapi-rs")
+    (synopsis
+      "Contains function definitions for the Windows API library kernel32. See winapi for types and constants.")
+    (description
+      "Contains function definitions for the Windows API library kernel32.  See winapi for types and constants.")
+    (license license:expat)))
 
-(define-public rust-libloading-0.5
+(define-public rust-lazy-static
   (package
-    (name "rust-libloading")
-    (version "0.5.2")
+    (name "rust-lazy-static")
+    (version "1.4.0")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "libloading" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "lazy_static" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0lyply8rcqc8agajzxs7bq6ivba9dnn1i68kgb9z2flnfjh13cgj"))))
+          (base32
+            "0in6ikhw8mgl33wjv6q6xfrb5b9jr16q8ygjy803fay4zcisvaz2"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/nagisa/rust_libloading/")
-    (synopsis "Rust library for loading dynamic libraries")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-spin" ,rust-spin))))
+    (home-page
+      "https://github.com/rust-lang-nursery/lazy-static.rs")
+    (synopsis
+      "A macro for declaring lazily evaluated statics in Rust.")
     (description
-     "A memory-safer wrapper around system dynamic library loading primitives.
-The most important safety guarantee by this library is prevention of
-dangling-Symbols that may occur after a Library is unloaded.  Using this library
-allows loading dynamic libraries (also known as shared libraries) as well as use
-functions and static variables these libraries contain.")
-    (properties '((hidden? . #t)))
-    (license license:isc)))
+      "This package provides a macro for declaring lazily evaluated statics in Rust.")
+    (license #f)))
 
-(define-public rust-libssh2-sys-0.2
+(define-public rust-lazycell
   (package
-    (name "rust-libssh2-sys")
-    (version "0.2.12")
+    (name "rust-lazycell")
+    (version "1.2.1")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "libssh2-sys" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "lazycell" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1zb6gsw795nq848nk5x2smzpfnn1s15wjlzjnvr8ihlz2l5x2549"))))
+          (base32
+            "0gvqycmpv7parc98i6y64ai7rvxrn1947z2a6maa02g4kvxdd55j"))))
     (build-system cargo-build-system)
-    ;(arguments
-    ; `(#:phases
-    ;  (modify-phases %standard-phases
-    ;    (add-after 'unpack 'find-openssl
-    ;      (lambda* (#:key inputs #:allow-other-keys)
-    ;        (let ((openssl (assoc-ref inputs "openssl")))
-    ;          (setenv "OPENSSL_DIR" openssl))
-    ;        (delete-file-recursively "libssh2")
-    ;        (setenv "LIBSSH2_SYS_USE_PKG_CONFIG" "1")
-    ;        #t)))))
-    ;(native-inputs
-    ; `(("pkg-config" ,pkg-config)))
-    ;(inputs
-    ; `(("libssh2" ,libssh2)
-    ;   ("openssl" ,openssl)
-    ;   ("zlib" ,zlib)))
-    (home-page "https://github.com/alexcrichton/ssh2-rs")
-    (synopsis "Native bindings to the libssh2 library")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-clippy" ,rust-clippy))))
+    (home-page "https://github.com/indiv0/lazycell")
+    (synopsis
+      "A library providing a lazily filled Cell struct")
     (description
-     "This package provides native rust bindings to the @code{libssh2} library.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "This package provides a library providing a lazily filled Cell struct")
+    (license #f)))
 
-
-(define-public rust-lock-api-0.1
+(define-public rust-libc
   (package
-    (name "rust-lock-api")
-    (version "0.1.5")
+    (name "rust-libc")
+    (version "0.2.66")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "lock_api" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "libc" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0b24q9mh258xa52ap636q1sxz0j5vrnp0hwbbh7ddjka3wwz3sv2"))))
+          (base32
+            "0n0mwry21fxfwc063k33mvxk8xj7ia5ar8m42c9ymbam2ksb25fm"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/Amanieu/parking_lot")
-    (synopsis "Wrappers to create fully-featured Mutex and RwLock types")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-rustc-std-workspace-core"
+          ,rust-rustc-std-workspace-core))))
+    (home-page "https://github.com/rust-lang/libc")
+    (synopsis
+      "Raw FFI bindings to platform libraries like libc.
+")
     (description
-     "This package provides wrappers to create fully-featured @code{Mutex} and
-@code{RwLock} types.  It is compatible with @code{no_std}.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Raw FFI bindings to platform libraries like libc.
+")
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-log-0.4
+(define-public rust-libm
   (package
-    (name "rust-log")
-    (version "0.4.8")
+    (name "rust-libm")
+    (version "0.2.1")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "log" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "libm" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1xz18ixccl5c6np4linv3ypc7hpmmgpc5zzd2ymp2ssfx0mhbdhl"))))
+          (base32
+            "0akh56sh51adhagmk9l84dyrlz60gv8ri05xhr13i1b18czkpmy7"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/rust-lang/log")
-    (synopsis "Lightweight logging facade for Rust")
-    (description
-     "This package provides a lightweight logging facade for Rust.")
-    (properties '((hidden? . #t)))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-rand-0.6.5" ,rust-rand-0.6.5))))
+    (home-page "https://github.com/rust-lang/libm")
+    (synopsis "libm in pure Rust")
+    (description "libm in pure Rust")
     (license (list license:expat license:asl2.0))))
 
-(define-public rust-log-0.3
+(define-public rust-libz-sys
   (package
-    (inherit rust-log-0.4)
-    (name "rust-log")
-    (version "0.3.8")
+    (name "rust-libz-sys")
+    (version "1.0.25")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "log" version))
-        (file-name (string-append name "-" version ".tar.gz"))
+        (uri (crate-uri "libz-sys" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0nsn28syc49vvjhxcfc8261rd1frhjc0r4bn9v3mqvps3ra7f3w8"))))))
+          (base32
+            "1gjycyl2283525abks98bhxa4r259m617xfm5z52p3p3c8ry9d9f"))))
+    (build-system cargo-build-system)
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-libc" ,rust-libc))))
+    (home-page
+      "https://github.com/alexcrichton/libz-sys")
+    (synopsis
+      "Bindings to the system libz library (also known as zlib).
+")
+    (description
+      "Bindings to the system libz library (also known as zlib).
+")
+    (license #f)))
 
-(define-public rust-lzma-sys-0.1
+(define-public rust-linked-hash-map-0.3.0
   (package
-    (name "rust-lzma-sys")
-    (version "0.1.15")
+    (name "rust-linked-hash-map")
+    (version "0.3.0")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "lzma-sys" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "linked-hash-map" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "14gyj256yh0wm77jbvmlc39v7lfn0navpfrja4alczarzlc8ir2k"))))
+          (base32
+            "1kaf95grvfqchxn8pl0854g8ab0fzl56217hndhhhz5qqm2j09kd"))))
     (build-system cargo-build-system)
-    ;(arguments
-    ; `(#:phases
-    ;   (modify-phases %standard-phases
-    ;     (add-after 'unpack 'unbundle-xz
-    ;       (lambda* (#:key inputs #:allow-other-keys)
-    ;         (let ((xz (assoc-ref inputs "xz")))
-    ;           (delete-file-recursively "xz-5.2"))
-    ;         #t)))))
-    ;(inputs
-    ; `(("pkg-config" ,pkg-config)
-    ;   ("xz" ,xz)))
-    (home-page "https://github.com/alexcrichton/xz2-rs")
-    (synopsis "Bindings to liblzma for lzma and xz stream encoding/decoding")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-clippy" ,rust-clippy)
+         ("rust-serde-0.8.23" ,rust-serde-0.8.23)
+         ("rust-serde-test-0.8.23"
+          ,rust-serde-test-0.8.23))))
+    (home-page
+      "https://github.com/contain-rs/linked-hash-map")
+    (synopsis
+      "A HashMap wrapper that holds key-value pairs in insertion order")
     (description
-     "This package contains the raw bindings to liblzma which contains an
-implementation of LZMA and xz stream encoding/decoding.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "This package provides a HashMap wrapper that holds key-value pairs in insertion order")
+    (license #f)))
 
-(define-public rust-maplit-1.0
+(define-public rust-log
   (package
-    (name "rust-maplit")
-    (version "1.0.1")
+    (name "rust-log")
+    (version "0.4.8")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "maplit" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "log" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0hsczmvd6zkqgzqdjp5hfyg7f339n68w83n4pxvnsszrzssbdjq8"))))
+          (base32
+            "1xz18ixccl5c6np4linv3ypc7hpmmgpc5zzd2ymp2ssfx0mhbdhl"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/bluss/maplit")
-    (synopsis "Collection of Map macros")
-    (description "This crate provides a collection of @code{literal} macros for
-@code{HashMap}, @code{HashSet}, @code{BTreeMap}, and @code{BTreeSet.}")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-cfg-if" ,rust-cfg-if)
+         ("rust-serde" ,rust-serde)
+         ("rust-sval" ,rust-sval))))
+    (home-page "https://github.com/rust-lang/log")
+    (synopsis
+      "A lightweight logging facade for Rust
+")
+    (description
+      "This package provides a lightweight logging facade for Rust
+")
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-matches-0.1
+(define-public rust-maybe-uninit
   (package
-    (name "rust-matches")
-    (version "0.1.8")
+    (name "rust-maybe-uninit")
+    (version "2.0.0")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "matches" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "maybe-uninit" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "020axl4q7rk9vz90phs7f8jas4imxal9y9kxl4z4v7a6719mrz3z"))))
+          (base32
+            "004y0nzmpfdrhz251278341z6ql34iv1k6dp1h6af7d6nd6jwc30"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/SimonSapin/rust-std-candidates")
-    (synopsis "Macro to evaluate whether an expression matches a pattern.")
-    (description "This package provides a macro to evaluate, as a boolean,
-whether an expression matches a pattern.")
-    (properties '((hidden? . #t)))
-    (license license:expat)))
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/est31/maybe-uninit")
+    (synopsis
+      "MaybeUninit for friends of backwards compatibility")
+    (description
+      "MaybeUninit for friends of backwards compatibility")
+    (license (list license:asl2.0 license:expat))))
 
-(define-public rust-md5-0.6
+(define-public rust-md5-0.6.1
   (package
     (name "rust-md5")
     (version "0.6.1")
@@ -1676,945 +2262,830 @@  whether an expression matches a pattern.")
       (origin
         (method url-fetch)
         (uri (crate-uri "md5" version))
-        (file-name (string-append name "-" version ".crate"))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "17b2xm4h4cvxsdjsf3kdrzqv2za60kak961xzi5kmw6g6djcssvy"))))
+          (base32
+            "17b2xm4h4cvxsdjsf3kdrzqv2za60kak961xzi5kmw6g6djcssvy"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/stainless-steel/md5")
-    (synopsis "MD5 hash function in Rust")
-    (description "The package provides the MD5 hash function.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/stainless-steel/md5")
+    (synopsis
+      "The package provides the MD5 hash function.")
+    (description
+      "The package provides the MD5 hash function.")
+    (license #f)))
 
-(define-public rust-memmap-0.7
+(define-public rust-memchr
   (package
-    (name "rust-memmap")
-    (version "0.7.0")
+    (name "rust-memchr")
+    (version "2.2.1")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "memmap" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "memchr" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0ns7kkd1h4pijdkwfvw4qlbbmqmlmzwlq3g2676dcl5vwyazv1b5"))))
+          (base32
+            "13j6ji9x9ydpi9grbss106gqqr3xn3bcfp28aydqfa4751qrfmw8"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/danburkert/memmap-rs")
-    (synopsis "Rust library for cross-platform memory mapped IO")
-    (description
-     "This package provides a cross-platform Rust API for memory-mapped
-file IO.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-libc" ,rust-libc))))
+    (home-page
+      "https://github.com/BurntSushi/rust-memchr")
+    (synopsis "Safe interface to memchr.")
+    (description "Safe interface to memchr.")
+    (license #f)))
 
-(define-public rust-memmap-0.6
+(define-public rust-memmap
   (package
-    (inherit rust-memmap-0.7)
     (name "rust-memmap")
-    (version "0.6.2")
+    (version "0.7.0")
     (source
       (origin
         (method url-fetch)
         (uri (crate-uri "memmap" version))
-        (file-name (string-append name "-" version ".crate"))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1zy6s0ni0lx9rjzq3gq2zz9r8zgjmbp02332g3gsj4fyhv4s5zz2"))))))
+          (base32
+            "0ns7kkd1h4pijdkwfvw4qlbbmqmlmzwlq3g2676dcl5vwyazv1b5"))))
+    (build-system cargo-build-system)
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-libc" ,rust-libc)
+         ("rust-winapi" ,rust-winapi))))
+    (home-page
+      "https://github.com/danburkert/memmap-rs")
+    (synopsis
+      "Cross-platform Rust API for memory-mapped file IO")
+    (description
+      "Cross-platform Rust API for memory-mapped file IO")
+    (license #f)))
 
-(define-public rust-mime-0.3
+(define-public rust-memoffset
   (package
-    (name "rust-mime")
-    (version "0.3.13")
+    (name "rust-memoffset")
+    (version "0.5.3")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "mime" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "memoffset" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "09clbyvdkwflp8anwjhqdib0sw8191gphcchdp80nc8ayhhwl9ry"))))
+          (base32
+            "1fblqzc25hfaym8m0pj112s66pqq87avvaqm5hp5rskib2w9w63m"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/hyperium/mime")
-    (synopsis "Strongly Typed Mimes")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-rustc-version" ,rust-rustc-version))))
+    (home-page "https://github.com/Gilnaa/memoffset")
+    (synopsis
+      "offset_of functionality for Rust structs.")
     (description
-     "Support MIME (HTTP Media Types) as strong types in Rust.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "offset_of functionality for Rust structs.")
+    (license license:expat)))
 
-(define-public rust-miniz-oxide-0.3
+(define-public rust-miniz-oxide
   (package
     (name "rust-miniz-oxide")
-    (version "0.3.3")
+    (version "0.3.5")
     (source
       (origin
         (method url-fetch)
         (uri (crate-uri "miniz_oxide" version))
-        (file-name (string-append name "-" version ".crate"))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32 "1bmanbbcdmssfbgik3fs323g7vljc5wkjz7s61jsbbz2kg0nckrh"))))
+          (base32
+            "09bnfn4bn3hcp912v5syphm4kjd0fdkwq023a4zmr4xf4vvp8gvg"))))
     (build-system cargo-build-system)
-    (home-page  "https://github.com/Frommi/miniz_oxide/tree/master/miniz_oxide")
-    (synopsis "Pure rust replacement for the miniz DEFLATE/zlib encoder/decoder")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-adler32" ,rust-adler32))))
+    (home-page
+      "https://github.com/Frommi/miniz_oxide/tree/master/miniz_oxide")
+    (synopsis
+      "DEFLATE compression and decompression library rewritten in Rust based on miniz")
     (description
-     "A pure rust replacement for the miniz DEFLATE/zlib encoder/decoder.  Using
-@code{flate2} with the @code{rust_backend} feature provides an easy to use
-streaming API for miniz_oxide.")
-    (properties '((hidden? . #t)))
+      "DEFLATE compression and decompression library rewritten in Rust based on miniz")
     (license license:expat)))
 
-(define-public rust-miniz-sys-0.1
+(define-public rust-miniz-oxide
   (package
-    (name "rust-miniz-sys")
-    (version "0.1.12")
+    (name "rust-miniz-oxide")
+    (version "0.3.5")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "miniz-sys" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "miniz_oxide" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "00l2r4anm8g35x0js2zfdnwfbrih9m43vphdpb77c5ga3kjkm7hy"))))
+          (base32
+            "09bnfn4bn3hcp912v5syphm4kjd0fdkwq023a4zmr4xf4vvp8gvg"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/alexcrichton/flate2-rs")
-    (synopsis "Bindings to the miniz.c library")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-adler32" ,rust-adler32))))
+    (home-page
+      "https://github.com/Frommi/miniz_oxide/tree/master/miniz_oxide")
+    (synopsis
+      "DEFLATE compression and decompression library rewritten in Rust based on miniz")
     (description
-     "This package provides bindings to the @code{miniz.c} library.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "DEFLATE compression and decompression library rewritten in Rust based on miniz")
+    (license license:expat)))
 
-(define-public rust-miow-0.3
+(define-public rust-miniz-sys
   (package
-    (name "rust-miow")
-    (version "0.3.3")
+    (name "rust-miniz-sys")
+    (version "0.1.12")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "miow" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "miniz-sys" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "09ljvx6wg30f2xlv7b7hhpkw7k312n3hjgmrbhwzhz9x03ra0sir"))))
+          (base32
+            "00l2r4anm8g35x0js2zfdnwfbrih9m43vphdpb77c5ga3kjkm7hy"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/alexcrichton/miow")
-    (synopsis "Rust I/O library for Windows")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-libc" ,rust-libc))))
+    (home-page
+      "https://github.com/alexcrichton/flate2-rs")
+    (synopsis "Bindings to the miniz.c library.
+")
     (description
-     "This package provides a zero overhead I/O library for Windows, focusing on
-IOCP and Async I/O abstractions.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Bindings to the miniz.c library.
+")
+    (license #f)))
 
-(define-public rust-miow-0.2
+(define-public rust-no-panic
   (package
-    (inherit rust-miow-0.3)
-    (name "rust-miow")
-    (version "0.2.1")
+    (name "rust-no-panic")
+    (version "0.1.12")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "miow" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "no-panic" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "06g9b8sqlh5gxakwqq4rrib07afwanfnxgxajrldwcgk3hxjy7wc"))))))
+          (base32
+            "0xan5v9ac1aklinc8aw16raq36pb4idjrl502np8gy32gfs6s751"))))
+    (build-system cargo-build-system)
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-proc-macro2" ,rust-proc-macro2)
+         ("rust-quote" ,rust-quote)
+         ("rust-syn" ,rust-syn))))
+    (home-page "https://github.com/dtolnay/no-panic")
+    (synopsis
+      "Attribute macro to require that the compiler prove a function can't ever panic.")
+    (description
+      "Attribute macro to require that the compiler prove a function can't ever panic.")
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-modifier-0.1
+(define-public rust-nodrop
   (package
-    (name "rust-modifier")
-    (version "0.1.0")
+    (name "rust-nodrop")
+    (version "0.1.14")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "modifier" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "nodrop" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0n3fmgli1nsskl0whrfzm1gk0rmwwl6pw1q4nb9sqqmn5h8wkxa1"))))
+          (base32
+            "1fz1v9r8ijacf0hlq0pdv5l9mz8vgqg1snmhvpjmi9aci1b4mvvj"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/reem/rust-modifier")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-nodrop-union" ,rust-nodrop-union))))
+    (home-page "https://github.com/bluss/arrayvec")
     (synopsis
-      "Chaining APIs for both self -> Self and &mut self methods.")
+      "A wrapper type to inhibit drop (destructor).
+
+***Deprecated: Use ManuallyDrop or MaybeUninit instead!***
+")
     (description
-      "Chaining APIs for both self -> Self and &mut self methods.")
-    (properties '((hidden? . #t)))
-    (license license:expat)))
+      "This package provides a wrapper type to inhibit drop (destructor).
 
-(define-public rust-net2-0.2
+***Deprecated: Use ManuallyDrop or MaybeUninit instead!***
+")
+    (license #f)))
+
+(define-public rust-nodrop-union
   (package
-    (name "rust-net2")
-    (version "0.2.33")
+    (name "rust-nodrop-union")
+    (version "0.1.11")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "net2" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "nodrop-union" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "126g3fgfxp06zimc1l9iyxnn9cif1hjsg7sd81nlls5nnyghsma2"))))
+          (base32
+            "1h59pph19rxanyqcaid8pg73s7wmzdx3zhjv5snlim5qx606zxkc"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/rust-lang-nursery/net2-rs")
-    (synopsis "Extensions to the standard library's networking types")
+    (arguments `(#:skip-build? #t))
+    (home-page "https://github.com/bluss/arrayvec")
+    (synopsis
+      "A wrapper type to inhibit drop (destructor). Implementation crate for nodrop, the untagged unions implementation (which is unstable / requires nightly) as of this writing.
+
+***Deprecated: Use ManuallyDrop or MaybeUninit instead!***
+")
     (description
-     "This library contains extensions to the standard library's networking
-types as proposed in RFC 1158.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "This package provides a wrapper type to inhibit drop (destructor).  Implementation crate for nodrop, the untagged unions implementation (which is unstable / requires nightly) as of this writing.
+
+***Deprecated: Use ManuallyDrop or MaybeUninit instead!***
+")
+    (license #f)))
 
-(define-public rust-netlib-src-0.7
+(define-public rust-num-cpus
   (package
-    (name "rust-netlib-src")
-    (version "0.7.4")
+    (name "rust-num-cpus")
+    (version "1.11.1")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "netlib-src" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "num_cpus" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "112hwfw1zzdj10h3j213xxqjrq38iygb3nb3ijay65ycmrg819s4"))))
+          (base32
+            "0wlxs00cpg16z09fwchj1gdz1jxnf5dgg1cbidvq0sc75bnwbnkn"))))
     (build-system cargo-build-system)
-    ;(inputs
-    ; `(("gfortran:lib" ,gfortran "lib")
-    ;   ("lapack" ,lapack)))
-    (home-page "https://github.com/blas-lapack-rs/netlib-src")
-    (synopsis "Source of BLAS and LAPACK via Netlib")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-hermit-abi" ,rust-hermit-abi)
+         ("rust-libc" ,rust-libc))))
+    (home-page
+      "https://github.com/seanmonstar/num_cpus")
+    (synopsis "Get the number of CPUs on a machine.")
     (description
-     "The package provides a source of BLAS and LAPACK via Netlib.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Get the number of CPUs on a machine.")
+    (license #f)))
 
-(define-public rust-libnghttp2-sys-0.1
+(define-public rust-num-traits
   (package
-    (name "rust-libnghttp2-sys")
-    (version "0.1.2")
+    (name "rust-num-traits")
+    (version "0.2.10")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "libnghttp2-sys" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "num-traits" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0qr4lyh7righx9n22c7amlcpk906rn1jnb2zd6gdfpa3yi24s982"))))
+          (base32
+            "1r079jbmrnrbvsz7dc5mcghijx7bhpfikjspfqrgl4n227y1zj6l"))))
     (build-system cargo-build-system)
-    ;(inputs
-    ; `(("nghttp2" ,nghttp2)))
-    (home-page "https://github.com/alexcrichton/nghttp2-rs")
-    (synopsis "FFI bindings for libnghttp2 (nghttp2)")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-libm" ,rust-libm))))
+    (home-page
+      "https://github.com/rust-num/num-traits")
+    (synopsis
+      "Numeric traits for generic mathematics")
     (description
-     "This package provides FFI bindings for libnghttp2 (nghttp2).")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Numeric traits for generic mathematics")
+    (license #f)))
 
-(define-public rust-libz-sys-1.0
-  (package
-    (name "rust-libz-sys")
-    (version "1.0.25")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "libz-sys" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "1gjycyl2283525abks98bhxa4r259m617xfm5z52p3p3c8ry9d9f"))))
-    (build-system cargo-build-system)
-    ;(arguments
-    ; `(#:phases
-    ;   (modify-phases %standard-phases
-    ;     (add-after 'unpack 'delete-vendored-zlib
-    ;       (lambda _
-    ;         (delete-file-recursively "src/zlib")
-    ;         #t)))))
-    ;(inputs
-    ; `(("pkg-config" ,pkg-config)
-    ;   ("zlib" ,zlib)))
-    (home-page "https://github.com/rust-lang/libz-sys")
-    (synopsis "Bindings to the system libz library")
-    (description
-     "This package provides bindings to the system @code{libz} library (also
-known as zlib).")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
-
-(define-public rust-nodrop-0.1
+(define-public rust-object-0.12.0
   (package
-    (name "rust-nodrop")
-    (version "0.1.13")
+    (name "rust-object")
+    (version "0.12.0")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "nodrop" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "object" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0if9ifn6rvar5jirx4b3qh4sl5kjkmcifycvzhxa9j3crkfng5ig"))))
+          (base32
+            "1dch1ajjp05d16lig1dnvisfis0hrlrvw9lcwy1hwgdcym3z6jnz"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/bluss/arrayvec")
-    (synopsis "Wrapper type to inhibit drop (destructor)")
-    (description "This package provides a wrapper type to inhibit drop
-(destructor).  Use @code{std::mem::ManuallyDrop} instead!")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-flate2" ,rust-flate2)
+         ("rust-goblin-0.0.22" ,rust-goblin-0.0.22)
+         ("rust-parity-wasm-0.38.0"
+          ,rust-parity-wasm-0.38.0)
+         ("rust-scroll-0.9.2" ,rust-scroll-0.9.2)
+         ("rust-uuid-0.7.4" ,rust-uuid-0.7.4))))
+    (home-page "https://github.com/gimli-rs/object")
+    (synopsis
+      "A unified interface for parsing object file formats.")
+    (description
+      "This package provides a unified interface for parsing object file formats.")
+    (license #f)))
 
-;; This package requires features which are unavailable
-;; on the stable releases of Rust.
-(define-public rust-nodrop-union-0.1
+(define-public rust-packed-simd
   (package
-    (name "rust-nodrop-union")
-    (version "0.1.10")
+    (name "rust-packed-simd")
+    (version "0.3.3")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "nodrop-union" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "packed_simd" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0jsnkdn9l8jlmb9h4wssi76sxnyxwnyi00p6y1p2gdq7c1gdw2b7"))))
+          (base32
+            "0822wqf6kzw4ig9ykndg348w2bxkhs3x64brzsvdxh2a1pyajpm8"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/bluss/arrayvec")
-    (synopsis "Wrapper type to inhibit drop (destructor)")
-    (description "This package provides a wrapper type to inhibit drop
-(destructor).  Implementation crate for nodrop, the untagged unions
-implementation (which is unstable / requires nightly).")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-cfg-if" ,rust-cfg-if)
+         ("rust-core-arch" ,rust-core-arch)
+         ("rust-sleef-sys" ,rust-sleef-sys))))
+    (home-page
+      "https://github.com/rust-lang-nursery/packed_simd")
+    (synopsis "Portable Packed SIMD vectors")
+    (description "Portable Packed SIMD vectors")
+    (license #f)))
 
-(define-public rust-num-cpus-1.10
+(define-public rust-parity-wasm-0.38.0
   (package
-    (name "rust-num-cpus")
-    (version "1.10.1")
+    (name "rust-parity-wasm")
+    (version "0.38.0")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "num_cpus" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "parity-wasm" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0wrj3zvj6h3q26sqj9zxpd59frjb54n7jhjwf307clq31ic47vxw"))))
+          (base32
+            "0qpfwb9adyi6g98q1w0xiqdzkv4r1p7b2w19wd5cr57rlwifbmr0"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/seanmonstar/num_cpus")
-    (synopsis "Get the number of CPUs on a machine")
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/paritytech/parity-wasm")
+    (synopsis "WebAssembly low-level format library")
     (description
-     "Get the number of CPUs on a machine.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "WebAssembly low-level format library")
+    (license #f)))
 
-(define-public rust-num-integer-0.1
+(define-public rust-pin-utils
   (package
-    (name "rust-num-integer")
-    (version "0.1.41")
+    (name "rust-pin-utils")
+    (version "0.1.0-alpha.4")
     (source
-     (origin
-       (method url-fetch)
-       (uri (crate-uri "num-integer" version))
-       (file-name
-        (string-append name "-" version ".crate"))
-       (sha256
-        (base32
-         "02dwjjpfbi16c71fq689s4sw3ih52cvfzr5z5gs6qpr5z0g58pmq"))))
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "pin-utils" version))
+        (file-name
+          (string-append name "-" version ".crate"))
+        (sha256
+          (base32
+            "11xmyx00n4m37d546by2rxb8ryxs12v55cc172i3yak1rqccd52q"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/rust-num/num-integer")
-    (synopsis "Integer traits and functions")
-    (description "Integer traits and functions.")
-    (properties '((hidden? . #t)))
-    ;; Dual licensed.
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/rust-lang-nursery/pin-utils")
+    (synopsis "Utilities for pinning
+")
+    (description "Utilities for pinning
+")
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-num-iter-0.1
+(define-public rust-plain
   (package
-    (name "rust-num-iter")
-    (version "0.1.39")
+    (name "rust-plain")
+    (version "0.2.3")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "num-iter" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "plain" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0bhk2qbr3261r6zvfc58lz4spfqjhvdripxgz5mks5rd85r55gbn"))))
+          (base32
+            "19n1xbxb4wa7w891268bzf6cbwq4qvdb86bik1z129qb0xnnnndl"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/rust-num/num-iter")
-    (synopsis "External iterators for generic mathematics")
+    (arguments `(#:skip-build? #t))
+    (home-page "https://github.com/randomites/plain")
+    (synopsis
+      "A small Rust library that allows users to reinterpret data of certain types safely.")
     (description
-     "This crate provides external iterators for generic mathematics.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "This package provides a small Rust library that allows users to reinterpret data of certain types safely.")
+    (license #f)))
 
-(define-public rust-num-traits-0.2
+(define-public rust-ppv-lite86
   (package
-    (name "rust-num-traits")
-    (version "0.2.8")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (crate-uri "num-traits" version))
-       (file-name
-        (string-append name "-" version ".crate"))
-       (sha256
-        (base32
-         "0clvrm34rrqc8p6gq5ps5fcgws3kgq5knh7nlqxf2ayarwks9abb"))))
-    (build-system cargo-build-system)
-    (home-page "https://github.com/rust-num/num-traits")
-    (synopsis "Numeric traits for generic mathematics")
-    (description "Numeric traits for generic mathematics.")
-    (properties '((hidden? . #t)))
-    ;; Dual licensed.
-    (license (list license:asl2.0
-                   license:expat))))
-
-(define-public rust-num-traits-0.1
-  (package
-    (inherit rust-num-traits-0.2)
-    (name "rust-num-traits")
-    (version "0.1.43")
+    (name "rust-ppv-lite86")
+    (version "0.2.6")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "num-traits" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "ppv-lite86" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0c9whknf2dm74a3cqirafy6gj83a76gl56g4v3g19k6lkwz13rcj"))))
-    (build-system cargo-build-system)))
+          (base32
+            "06zs492wbms7j5qhy58cs3976c7kyc47rx0d6fn63rgvp580njbl"))))
+    (build-system cargo-build-system)
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/cryptocorrosion/cryptocorrosion")
+    (synopsis
+      "Implementation of the crypto-simd API for x86")
+    (description
+      "Implementation of the crypto-simd API for x86")
+    (license #f)))
 
-(define-public rust-numtoa-0.1
+(define-public rust-proc-macro-hack
   (package
-    (name "rust-numtoa")
-    (version "0.1.0")
+    (name "rust-proc-macro-hack")
+    (version "0.5.11")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "numtoa" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "proc-macro-hack" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1vs9rhggqbql1p26x8nkha1j06wawwgb2jp5fs88b5gi7prvvy5q"))))
+          (base32
+            "1idz5vmnjjhvr51yvwyjb45mza18wa53fr05m1skqvbdyw15gm7c"))))
     (build-system cargo-build-system)
-    (home-page "https://gitlab.com/mmstick/numtoa")
-    (synopsis "Convert numbers into stack-allocated byte arrays")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-proc-macro2" ,rust-proc-macro2)
+         ("rust-quote" ,rust-quote)
+         ("rust-syn" ,rust-syn))))
+    (home-page
+      "https://github.com/dtolnay/proc-macro-hack")
+    (synopsis
+      "Procedural macros in expression position")
     (description
-     "This package can convert numbers into stack-allocated byte arrays.")
-    (properties '((hidden? . #t)))
+      "Procedural macros in expression position")
     (license (list license:expat license:asl2.0))))
 
-(define-public rust-openssl-probe-0.1
+(define-public rust-proc-macro-nested
   (package
-    (name "rust-openssl-probe")
-    (version "0.1.2")
+    (name "rust-proc-macro-nested")
+    (version "0.1.3")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "openssl-probe" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "proc-macro-nested" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1pijrdifgsdwd45b08c2g0dsmnhz7c3kmagb70839ngrd7d29bvp"))))
+          (base32
+            "0bmlksm8vl44wkwihmwr7jsjznhbg0n7aibcw1cs2jgjcp86x6in"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/alexcrichton/openssl-probe")
-    (synopsis "Find SSL certificate locations")
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/dtolnay/proc-macro-hack")
+    (synopsis
+      "Support for nested proc-macro-hack invocations")
     (description
-     "This package provides a tool to find SSL certificate locations on the
-system for OpenSSL.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Support for nested proc-macro-hack invocations")
+    (license #f)))
 
-(define-public rust-openssl-src-111
+(define-public rust-proc-macro2
   (package
-    (name "rust-openssl-src")
-    (version "111.6.0+1.1.1d")
+    (name "rust-proc-macro2")
+    (version "1.0.6")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "openssl-src" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "proc-macro2" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "172xh95hp7aygahah1940kg1dnx60c5m80cwj5hgi8x7x0fxmhmr"))))
+          (base32
+            "09rgb5ab0jgw39kyad0lgqs4nb9yaf7mwcrgxqnsxbn4il54g7lw"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/alexcrichton/openssl-src-rs")
-    (synopsis "Source of OpenSSL for rust crates")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-unicode-xid" ,rust-unicode-xid))))
+    (home-page
+      "https://github.com/alexcrichton/proc-macro2")
+    (synopsis
+      "A stable implementation of the upcoming new `proc_macro` API. Comes with an
+option, off by default, to also reimplement itself in terms of the upstream
+unstable API.
+")
     (description
-     "This package contains the source of OpenSSL and logic to build it.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "This package provides a stable implementation of the upcoming new `proc_macro` API.  Comes with an
+option, off by default, to also reimplement itself in terms of the upstream
+unstable API.
+")
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-openssl-sys-0.9
+(define-public rust-proc-macro2-0.4.30
   (package
-    (name "rust-openssl-sys")
-    (version "0.9.50")
+    (name "rust-proc-macro2")
+    (version "0.4.30")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "openssl-sys" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "proc-macro2" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32 "1dn3capgiz77s6rpmc2sf8gadwkmhwgfd6mw4rcnnm9jp36dqhic"))))
+          (base32
+            "0nd71fl24sys066jrha6j7i34nfkjv44yzw8yww9742wmc8j0gfg"))))
     (build-system cargo-build-system)
-    ;(arguments
-    ; `(#:phases
-    ;   (modify-phases %standard-phases
-    ;     (add-after 'unpack 'find-openssl
-    ;       (lambda* (#:key inputs #:allow-other-keys)
-    ;         (let ((openssl (assoc-ref inputs "openssl")))
-    ;           (setenv "OPENSSL_DIR" openssl))
-    ;         #t)))))
-    ;(inputs
-    ; `(("openssl" ,openssl)
-    ;   ("pkg-config" ,pkg-config)))
-    (home-page "https://github.com/sfackler/rust-openssl")
-    (synopsis "FFI bindings to OpenSSL")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-unicode-xid-0.1.0"
+          ,rust-unicode-xid-0.1.0))))
+    (home-page
+      "https://github.com/alexcrichton/proc-macro2")
+    (synopsis
+      "A stable implementation of the upcoming new `proc_macro` API. Comes with an
+option, off by default, to also reimplement itself in terms of the upstream
+unstable API.
+")
     (description
-     "This package provides FFI bindings to OpenSSL for use in rust crates.")
-    (properties '((hidden? . #t)))
-    (license license:expat)))
+      "This package provides a stable implementation of the upcoming new `proc_macro` API.  Comes with an
+option, off by default, to also reimplement itself in terms of the upstream
+unstable API.
+")
+    (license #f)))
 
-(define-public rust-owning-ref-0.4
+(define-public rust-quote
   (package
-    (name "rust-owning-ref")
-    (version "0.4.0")
+    (name "rust-quote")
+    (version "1.0.2")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "owning_ref" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "quote" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "04zgwy77lin8qz398s6g44467pd6kjhbrlqifkia5rkr47mbi929"))))
+          (base32
+            "1zkc46ryacf2jdkc6krsy2z615xbk1x8kp1830rcxz3irj5qqfh5"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/Kimundi/owning-ref-rs")
-    (synopsis "Create references that carry their owner with them")
-    (description
-     "This package provides a library for creating references that carry their
-owner with them.  This can sometimes be useful because Rust borrowing rules
-normally prevent moving a type that has been borrowed from.")
-    (properties '((hidden? . #t)))
-    (license license:expat)))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-proc-macro2" ,rust-proc-macro2))))
+    (home-page "https://github.com/dtolnay/quote")
+    (synopsis "Quasi-quoting macro quote!(...)")
+    (description "Quasi-quoting macro quote!(...)")
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-parity-wasm-0.40
+(define-public rust-quote-0.6.13
   (package
-    (name "rust-parity-wasm")
-    (version "0.40.1")
+    (name "rust-quote")
+    (version "0.6.13")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "parity-wasm" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "quote" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1p84f0k36q05j18jy66n122lyali794cj78hbxgy9wj6si84plqd"))))
+          (base32
+            "1qgqq48jymp5h4y082aanf25hrw6bpb678xh3zw993qfhxmkpqkc"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/paritytech/parity-wasm")
-    (synopsis "Low-level WebAssembly format library")
-    (description
-     "This package provides a WebAssembly binary format serialization,
-deserialization, and interpreter in Rust.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-proc-macro2-0.4.30"
+          ,rust-proc-macro2-0.4.30))))
+    (home-page "https://github.com/dtolnay/quote")
+    (synopsis "Quasi-quoting macro quote!(...)")
+    (description "Quasi-quoting macro quote!(...)")
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-peeking-take-while-0.1
+(define-public rust-rand
   (package
-    (name "rust-peeking-take-while")
-    (version "0.1.2")
+    (name "rust-rand")
+    (version "0.7.2")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "peeking_take_while" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "rand" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "16bhqr6rdyrp12zv381cxaaqqd0pwysvm1q8h2ygihvypvfprc8r"))))
+          (base32
+            "04l4rkm4clpkp9ykl3rp88hf91d3y2cajxc4kdsn3bry4ilv3q9s"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/fitzgen/peeking_take_while")
-    (synopsis "Provides the peeking_take_while iterator adaptor method")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-getrandom" ,rust-getrandom)
+         ("rust-libc" ,rust-libc)
+         ("rust-log" ,rust-log)
+         ("rust-packed-simd" ,rust-packed-simd)
+         ("rust-rand-chacha" ,rust-rand-chacha)
+         ("rust-rand-core" ,rust-rand-core)
+         ("rust-rand-hc" ,rust-rand-hc)
+         ("rust-rand-pcg" ,rust-rand-pcg))))
+    (home-page "https://crates.io/crates/rand")
+    (synopsis
+      "Random number generators and other randomness functionality.
+")
     (description
-      "Like @code{Iterator::take_while}, but calls the predicate on a peeked
-value.  This allows you to use @code{Iterator::by_ref} and
-@code{Iterator::take_while} together, and still get the first value for which
-the @code{take_while} predicate returned false after dropping the @code{by_ref}.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Random number generators and other randomness functionality.
+")
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-percent-encoding-2.1
+(define-public rust-rand-0.6.5
   (package
-    (name "rust-percent-encoding")
-    (version "2.1.0")
+    (name "rust-rand")
+    (version "0.6.5")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "percent-encoding" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "rand" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0bp3zrsk3kr47fbpipyczidbbx4g54lzxdm77ni1i3qws10mdzfl"))))
+          (base32
+            "1jl4449jcl4wgmzld6ffwqj5gwxrp8zvx8w573g1z368qg6xlwbd"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/servo/rust-url/")
-    (synopsis "Percent encoding and decoding")
-    (description "This crate provides percent encoding and decoding.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-libc" ,rust-libc)
+         ("rust-log" ,rust-log)
+         ("rust-packed-simd" ,rust-packed-simd)
+         ("rust-rand-chacha-0.1.1"
+          ,rust-rand-chacha-0.1.1)
+         ("rust-rand-core-0.4.2" ,rust-rand-core-0.4.2)
+         ("rust-rand-hc-0.1.1" ,rust-rand-hc-0.1.1)
+         ("rust-rand-isaac-0.1.2" ,rust-rand-isaac-0.1.2)
+         ("rust-rand-jitter-0.1.4"
+          ,rust-rand-jitter-0.1.4)
+         ("rust-rand-os-0.1.3" ,rust-rand-os-0.1.3)
+         ("rust-rand-pcg-0.1.2" ,rust-rand-pcg-0.1.2)
+         ("rust-rand-xorshift-0.1.2"
+          ,rust-rand-xorshift-0.1.2)
+         ("rust-winapi" ,rust-winapi))))
+    (home-page "https://crates.io/crates/rand")
+    (synopsis
+      "Random number generators and other randomness functionality.
+")
+    (description
+      "Random number generators and other randomness functionality.
+")
+    (license #f)))
 
-(define-public rust-percent-encoding-1.0
+(define-public rust-rand-chacha
   (package
-    (inherit rust-percent-encoding-2.1)
-    (name "rust-percent-encoding")
-    (version "1.0.1")
+    (name "rust-rand-chacha")
+    (version "0.2.1")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "percent-encoding" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "rand_chacha" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0cgq08v1fvr6bs5fvy390cz830lq4fak8havdasdacxcw790s09i"))))))
+          (base32
+            "0lv8imzzl4h2glm6sjj8mkvasgi8jym23ya48dakyln7m06sk8h3"))))
+    (build-system cargo-build-system)
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-c2-chacha" ,rust-c2-chacha)
+         ("rust-rand-core" ,rust-rand-core))))
+    (home-page
+      "https://crates.io/crates/rand_chacha")
+    (synopsis "ChaCha random number generator
+")
+    (description "ChaCha random number generator
+")
+    (license #f)))
 
-(define-public rust-permutohedron-0.2
+(define-public rust-rand-chacha-0.1.1
   (package
-    (name "rust-permutohedron")
-    (version "0.2.4")
+    (name "rust-rand-chacha")
+    (version "0.1.1")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "permutohedron" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "rand_chacha" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0b1pzh48j86v46wxngch6k1kx9cdw3jr3lwa86gd6jd4bmxzz1xn"))))
+          (base32
+            "1vxwyzs4fy1ffjc8l00fsyygpiss135irjf7nyxgq2v0lqf3lvam"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/bluss/permutohedron")
-    (synopsis "Generate permutations of sequences")
-    (description
-     "Generate permutations of sequences.  Either lexicographical order
-permutations, or a minimal swaps permutation sequence implemented using Heap's
-algorithm.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-rand-core-0.3.1" ,rust-rand-core-0.3.1))))
+    (home-page
+      "https://crates.io/crates/rand_chacha")
+    (synopsis "ChaCha random number generator
+")
+    (description "ChaCha random number generator
+")
+    (license #f)))
 
-(define-public rust-pico-sys-0.0
+(define-public rust-rand-core
   (package
-    (name "rust-pico-sys")
-    (version "0.0.1")
+    (name "rust-rand-core")
+    (version "0.5.1")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "pico-sys" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "rand_core" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1q5pg0ms6szz6b5h26h4k40zb76zbwwjgyigac4wly9qngdj4yl5"))))
+          (base32
+            "06bdvx08v3rkz451cm7z59xwwqn1rkfh6v9ay77b14f8dwlybgch"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/reem/rust-pico-sys")
-    (synopsis "Bindings to the PicoHTTPParser")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-getrandom" ,rust-getrandom)
+         ("rust-serde" ,rust-serde))))
+    (home-page "https://crates.io/crates/rand_core")
+    (synopsis
+      "Core random number generator traits and tools for implementation.
+")
     (description
-     "This package provides bindings to the PicoHTTPParser.")
-    (properties '((hidden? . #t)))
-    (license license:expat)))
+      "Core random number generator traits and tools for implementation.
+")
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-pin-utils-0.1
+(define-public rust-rand-core-0.3.1
   (package
-    (name "rust-pin-utils")
-    (version "0.1.0-alpha.4")
+    (name "rust-rand-core")
+    (version "0.3.1")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "pin-utils" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "rand_core" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "11xmyx00n4m37d546by2rxb8ryxs12v55cc172i3yak1rqccd52q"))))
+          (base32
+            "0jzdgszfa4bliigiy4hi66k7fs3gfwi2qxn8vik84ph77fwdwvvs"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/rust-lang-nursery/pin-utils")
-    (synopsis "Utilities for pinning")
-    (description "This crate provides utilities for pinning values on the stack.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
-
-(define-public rust-pkg-config-0.3
-  (package
-    (name "rust-pkg-config")
-    (version "0.3.14")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "pkg-config" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "135ia995lqzr0gxpk85h0bjxf82kj6hbxdx924sh9jdln6r8wvk7"))))
-    (build-system cargo-build-system)
-    ;(inputs
-    ; `(("pkg-config" ,pkg-config)))
-    (home-page "https://github.com/rust-lang/pkg-config-rs")
-    (synopsis "Library to run the pkg-config system tool")
-    (description
-     "A library to run the pkg-config system tool at build time in order to be
-used in Cargo build scripts.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
-
-(define-public rust-plain-0.2
-  (package
-    (name "rust-plain")
-    (version "0.2.3")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "plain" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "19n1xbxb4wa7w891268bzf6cbwq4qvdb86bik1z129qb0xnnnndl"))))
-    (build-system cargo-build-system)
-    (home-page "https://github.com/randomites/plain")
-    (synopsis "Rust library that allows reinterpreting data safely")
-    (description "This package provides a small Rust library that allows users
- to reinterpret data of certain types safely.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
-
-(define-public rust-plugin-0.2
-  (package
-    (name "rust-plugin")
-    (version "0.2.6")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "plugin" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "1q7nghkpvxxr168y2jnzh3w7qc9vfrby9n7ygy3xpj0bj71hsshs"))))
-    (build-system cargo-build-system)
-    (home-page "https://github.com/reem/rust-plugin")
-    (synopsis "Lazily evaluated, order-independent plugins for extensible types")
-    (description
-     "Lazily evaluated, order-independent plugins for extensible types.")
-    (properties '((hidden? . #t)))
-    (license license:expat)))
-
-(define-public rust-pocket-resources-0.3
-  (package
-    (name "rust-pocket-resources")
-    (version "0.3.2")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "pocket-resources" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "1n2i5vmi8fdbw89wm5nz1ws1z9f1qax911p6ksg4scmdg23z6df1"))))
-    (build-system cargo-build-system)
-    (home-page "https://github.com/tomaka/pocket-resources")
-    (synopsis "Include resources in your applications")
-    (description "This crate allows you to include resources in your
-applications.")
-    (properties '((hidden? . #t)))
-    (license license:expat)))
-
-(define-public rust-ppv-lite86-0.2
-  (package
-    (name "rust-ppv-lite86")
-    (version "0.2.5")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "ppv-lite86" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "06snnv338w341nicfqba2jgln5dsla72ndkgrw7h1dfdb3vgkjz3"))))
-    (build-system cargo-build-system)
-    (home-page "https://github.com/cryptocorrosion/cryptocorrosion")
-    (synopsis "Implementation of the crypto-simd API for x86")
-    (description "This crate provides an implementation of the crypto-simd API
-for x86.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
-
-(define-public rust-proc-macro2-1.0
-  (package
-    (name "rust-proc-macro2")
-    (version "1.0.6")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "proc-macro2" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "09rgb5ab0jgw39kyad0lgqs4nb9yaf7mwcrgxqnsxbn4il54g7lw"))))
-    (build-system cargo-build-system)
-    (home-page "https://github.com/alexcrichton/proc-macro2")
-    (synopsis "Stable implementation of the upcoming new `proc_macro` API")
-    (description "This package provides a stable implementation of the upcoming new
-`proc_macro` API.  Comes with an option, off by default, to also reimplement itself
-in terms of the upstream unstable API.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0 license:expat))))
-
-(define-public rust-proc-macro2-0.4
-  (package
-    (inherit rust-proc-macro2-1.0)
-    (name "rust-proc-macro2")
-    (version "0.4.30")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "proc-macro2" version))
-        (file-name (string-append name "-" version ".tar.gz"))
-        (sha256
-         (base32
-          "0nd71fl24sys066jrha6j7i34nfkjv44yzw8yww9742wmc8j0gfg"))))))
-
-(define-public rust-quick-error-1.2
-  (package
-    (name "rust-quick-error")
-    (version "1.2.2")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "quick-error" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "1w6kgwwv7p7zr0yyg5rb315lkk24bimywklwx7fsvsbwi10bjx4j"))))
-    (build-system cargo-build-system)
-    (home-page "https://github.com/tailhook/quick-error")
-    (synopsis "Macro which makes error types pleasant to write")
-    (description "This crate provides a macro which makes error types pleasant
-to write.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
-
-(define-public rust-quote-1.0
-  (package
-    (name "rust-quote")
-    (version "1.0.2")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "quote" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "1zkc46ryacf2jdkc6krsy2z615xbk1x8kp1830rcxz3irj5qqfh5"))))
-    (build-system cargo-build-system)
-    (home-page "https://github.com/dtolnay/quote")
-    (synopsis "Quasi-quoting macro quote!(...)")
-    (description "Quasi-quoting macro quote!(...)")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0 license:expat))))
-
-(define-public rust-quote-0.6
-  (package
-    (inherit rust-quote-1.0)
-    (name "rust-quote")
-    (version "0.6.12")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "quote" version))
-        (file-name (string-append name "-" version ".tar.gz"))
-        (sha256
-         (base32
-          "1nw0klza45hf127kfyrpxsxd5jw2l6h21qxalil3hkr7bnf7kx7s"))))))
-
-(define-public rust-rand-0.6
-  (package
-    (name "rust-rand")
-    (version "0.6.5")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "rand" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "1jl4449jcl4wgmzld6ffwqj5gwxrp8zvx8w573g1z368qg6xlwbd"))))
-    (build-system cargo-build-system)
-    (home-page "https://crates.io/crates/rand")
-    (synopsis "Random number generators and other randomness functionality")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-rand-core-0.4.2" ,rust-rand-core-0.4.2))))
+    (home-page "https://crates.io/crates/rand_core")
+    (synopsis
+      "Core random number generator traits and tools for implementation.
+")
     (description
-     "Rand provides utilities to generate random numbers, to convert them to
-useful types and distributions, and some randomness-related algorithms.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Core random number generator traits and tools for implementation.
+")
+    (license #f)))
 
-(define-public rust-rand-0.4
-  (package
-    (inherit rust-rand-0.6)
-    (name "rust-rand")
-    (version "0.4.3")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "rand" version))
-        (file-name (string-append name "-" version ".tar.gz"))
-        (sha256
-         (base32
-          "1gfgnqfj2pyh27dcb720jpawskllwnbvxh816ddyykv269xz8ml3"))))))
-
-(define-public rust-rand-0.3
-  (package
-    (inherit rust-rand-0.6)
-    (name "rust-rand")
-    (version "0.3.23")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "rand" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "0v679h38pjjqj5h4md7v2slsvj6686qgcn7p9fbw3h43iwnk1b34"))))))
-
-(define-public rust-rand-chacha-0.1
-  (package
-    (name "rust-rand-chacha")
-    (version "0.1.1")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "rand_chacha" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "1vxwyzs4fy1ffjc8l00fsyygpiss135irjf7nyxgq2v0lqf3lvam"))))
-    (build-system cargo-build-system)
-    (home-page "https://crates.io/crates/rand_chacha")
-    (synopsis "ChaCha random number generator")
-    (description "ChaCha random number generator")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
-
-(define-public rust-rand-core-0.4
+(define-public rust-rand-core-0.4.2
   (package
     (name "rust-rand-core")
     (version "0.4.2")
@@ -2622,78 +3093,108 @@  useful types and distributions, and some randomness-related algorithms.")
       (origin
         (method url-fetch)
         (uri (crate-uri "rand_core" version))
-        (file-name (string-append name "-" version ".crate"))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1p09ynysrq1vcdlmcqnapq4qakl2yd1ng3kxh3qscpx09k2a6cww"))))
+          (base32
+            "1p09ynysrq1vcdlmcqnapq4qakl2yd1ng3kxh3qscpx09k2a6cww"))))
     (build-system cargo-build-system)
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-serde" ,rust-serde)
+         ("rust-serde-derive" ,rust-serde-derive))))
     (home-page "https://crates.io/crates/rand_core")
     (synopsis
-      "Core random number generator traits and tools for implementation.")
+      "Core random number generator traits and tools for implementation.
+")
     (description
-      "Core random number generator traits and tools for implementation.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Core random number generator traits and tools for implementation.
+")
+    (license #f)))
 
-(define-public rust-rand-core-0.3
+(define-public rust-rand-hc
   (package
-    (inherit rust-rand-core-0.4)
-    (name "rust-rand-core")
-    (version "0.3.1")
+    (name "rust-rand-hc")
+    (version "0.2.0")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "rand_core" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "rand_hc" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0jzdgszfa4bliigiy4hi66k7fs3gfwi2qxn8vik84ph77fwdwvvs"))))
-    ;; This version is a 0.3 API wrapper around the 0.4 version.
+          (base32
+            "0g31sqwpmsirdlwr0svnacr4dbqyz339im4ssl9738cjgfpjjcfa"))))
+    (build-system cargo-build-system)
     (arguments
-     `(#:cargo-inputs (("rand-core" ,rust-rand-core-0.4))))))
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-rand-core" ,rust-rand-core))))
+    (home-page "https://crates.io/crates/rand_hc")
+    (synopsis "HC128 random number generator
+")
+    (description "HC128 random number generator
+")
+    (license #f)))
 
-(define-public rust-rand-hc-0.1
+(define-public rust-rand-hc-0.1.1
   (package
     (name "rust-rand-hc")
-    (version "0.1.0")
+    (version "0.1.1")
     (source
       (origin
         (method url-fetch)
         (uri (crate-uri "rand_hc" version))
-        (file-name (string-append name "-" version ".crate"))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1i0vl8q5ddvvy0x8hf1zxny393miyzxkwqnw31ifg6p0gdy6fh3v"))))
+          (base32
+            "0g33l381hwfvxdcv502d5c88fh7gw78fkfmlp27jp8hhlfxzxam5"))))
     (build-system cargo-build-system)
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-rand-core" ,rust-rand-core))))
     (home-page "https://crates.io/crates/rand_hc")
-    (synopsis "HC128 random number generator")
-    (description "HC128 random number generator")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (synopsis "HC128 random number generator
+")
+    (description "HC128 random number generator
+")
+    (license #f)))
 
-(define-public rust-rand-isaac-0.1
+(define-public rust-rand-isaac-0.1.2
   (package
     (name "rust-rand-isaac")
-    (version "0.1.1")
+    (version "0.1.2")
     (source
       (origin
         (method url-fetch)
         (uri (crate-uri "rand_isaac" version))
-        (file-name (string-append name "-" version ".crate"))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "027flpjr4znx2csxk7gxb7vrf9c7y5mydmvg5az2afgisp4rgnfy"))))
+          (base32
+            "0zinsqypvm0vwdiwdabvq74d0nnrzshb0kyzsrwi4l5mlp4pkkx9"))))
     (build-system cargo-build-system)
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-rand-core" ,rust-rand-core)
+         ("rust-serde" ,rust-serde)
+         ("rust-serde-derive" ,rust-serde-derive))))
     (home-page "https://crates.io/crates/rand_isaac")
-    (synopsis "ISAAC random number generator")
-    (description "ISAAC random number generator")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (synopsis "ISAAC random number generator
+")
+    (description "ISAAC random number generator
+")
+    (license #f)))
 
-(define-public rust-rand-jitter-0.1
+(define-public rust-rand-jitter-0.1.4
   (package
     (name "rust-rand-jitter")
     (version "0.1.4")
@@ -2701,21 +3202,28 @@  useful types and distributions, and some randomness-related algorithms.")
       (origin
         (method url-fetch)
         (uri (crate-uri "rand_jitter" version))
-        (file-name (string-append name "-" version ".crate"))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "16z387y46bfz3csc42zxbjq89vcr1axqacncvv8qhyy93p4xarhi"))))
+          (base32
+            "16z387y46bfz3csc42zxbjq89vcr1axqacncvv8qhyy93p4xarhi"))))
     (build-system cargo-build-system)
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-libc" ,rust-libc)
+         ("rust-log" ,rust-log)
+         ("rust-rand-core-0.4.2" ,rust-rand-core-0.4.2)
+         ("rust-winapi" ,rust-winapi))))
     (home-page "https://github.com/rust-random/rand")
     (synopsis
       "Random number generator based on timing jitter")
     (description
       "Random number generator based on timing jitter")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-rand-os-0.1
+(define-public rust-rand-os-0.1.3
   (package
     (name "rust-rand-os")
     (version "0.1.3")
@@ -2723,19 +3231,60 @@  useful types and distributions, and some randomness-related algorithms.")
       (origin
         (method url-fetch)
         (uri (crate-uri "rand_os" version))
-        (file-name (string-append name "-" version ".crate"))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0wahppm0s64gkr2vmhcgwc0lij37in1lgfxg5rbgqlz0l5vgcxbv"))))
+          (base32
+            "0wahppm0s64gkr2vmhcgwc0lij37in1lgfxg5rbgqlz0l5vgcxbv"))))
     (build-system cargo-build-system)
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-cloudabi" ,rust-cloudabi)
+         ("rust-fuchsia-cprng" ,rust-fuchsia-cprng)
+         ("rust-libc" ,rust-libc)
+         ("rust-log" ,rust-log)
+         ("rust-rand-core-0.4.2" ,rust-rand-core-0.4.2)
+         ("rust-rdrand-0.4.0" ,rust-rdrand-0.4.0)
+         ("rust-stdweb" ,rust-stdweb)
+         ("rust-wasm-bindgen" ,rust-wasm-bindgen)
+         ("rust-winapi" ,rust-winapi))))
     (home-page "https://crates.io/crates/rand_os")
     (synopsis "OS backed Random Number Generator")
     (description "OS backed Random Number Generator")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (license #f)))
 
-(define-public rust-rand-pcg-0.1
+(define-public rust-rand-pcg
+  (package
+    (name "rust-rand-pcg")
+    (version "0.2.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "rand_pcg" version))
+        (file-name
+          (string-append name "-" version ".crate"))
+        (sha256
+          (base32
+            "0ab4h6s6x3py833jk61lwadq83qd1c8bih2hgi6yps9rnv0x1aqn"))))
+    (build-system cargo-build-system)
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-rand-core" ,rust-rand-core)
+         ("rust-serde" ,rust-serde))))
+    (home-page "https://crates.io/crates/rand_pcg")
+    (synopsis
+      "Selected PCG random number generators
+")
+    (description
+      "Selected PCG random number generators
+")
+    (license (list license:expat license:asl2.0))))
+
+(define-public rust-rand-pcg-0.1.2
   (package
     (name "rust-rand-pcg")
     (version "0.1.2")
@@ -2743,64 +3292,115 @@  useful types and distributions, and some randomness-related algorithms.")
       (origin
         (method url-fetch)
         (uri (crate-uri "rand_pcg" version))
-        (file-name (string-append name "-" version ".crate"))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0i0bdla18a8x4jn1w0fxsbs3jg7ajllz6azmch1zw33r06dv1ydb"))))
+          (base32
+            "0i0bdla18a8x4jn1w0fxsbs3jg7ajllz6azmch1zw33r06dv1ydb"))))
     (build-system cargo-build-system)
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-rand-core-0.4.2" ,rust-rand-core-0.4.2)
+         ("rust-serde" ,rust-serde)
+         ("rust-serde-derive" ,rust-serde-derive))))
     (home-page "https://crates.io/crates/rand_pcg")
     (synopsis
-      "Selected PCG random number generators")
+      "Selected PCG random number generators
+")
     (description
-      "Selected PCG random number generators")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Selected PCG random number generators
+")
+    (license #f)))
 
-(define-public rust-rand-xorshift-0.1
+(define-public rust-rand-xorshift-0.1.2
   (package
     (name "rust-rand-xorshift")
-    (version "0.1.1")
+    (version "0.1.2")
     (source
       (origin
         (method url-fetch)
         (uri (crate-uri "rand_xorshift" version))
-        (file-name (string-append name "-" version ".crate"))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0p2x8nr00hricpi2m6ca5vysiha7ybnghz79yqhhx6sl4gkfkxyb"))))
+          (base32
+            "1vwyvly2bgni246j8xls83axvcjz9p563vynx5rqqll8hizsza97"))))
     (build-system cargo-build-system)
-    (home-page "https://crates.io/crates/rand_xorshift")
-    (synopsis "Xorshift random number generator")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-rand-core" ,rust-rand-core)
+         ("rust-serde" ,rust-serde)
+         ("rust-serde-derive" ,rust-serde-derive))))
+    (home-page
+      "https://crates.io/crates/rand_xorshift")
+    (synopsis "Xorshift random number generator
+")
     (description
-      "Xorshift random number generator")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Xorshift random number generator
+")
+    (license #f)))
 
-(define-public rust-rawpointer-0.1
+(define-public rust-rayon
   (package
-    (name "rust-rawpointer")
-    (version "0.1.0")
+    (name "rust-rayon")
+    (version "1.2.1")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "rawpointer" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "rayon" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "06ghpm9y7gacks78s3maakha07kbnwrxif5q37r2l7z1sali3b7b"))))
+          (base32
+            "1pgxnyp0iqjjlp2akw5n98wxcjrdcb9j6x33cdijffs96649yws3"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/bluss/rawpointer/")
-    (synopsis "Extra methods for raw pointers")
-    (description "Extra methods for raw pointers.  For example
-@code{.post_inc()} and @code{.pre_dec()} (c.f. @code{ptr++} and @code{--ptr})
-and @code{ptrdistance}.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-crossbeam-deque" ,rust-crossbeam-deque)
+         ("rust-either" ,rust-either)
+         ("rust-rayon-core" ,rust-rayon-core))))
+    (home-page "https://github.com/rayon-rs/rayon")
+    (synopsis
+      "Simple work-stealing parallelism for Rust")
+    (description
+      "Simple work-stealing parallelism for Rust")
+    (license #f)))
 
-(define-public rust-rdrand-0.4
+(define-public rust-rayon-core
+  (package
+    (name "rust-rayon-core")
+    (version "1.6.1")
+    (source
+      (origin
+        (method url-fetch)
+        (uri (crate-uri "rayon-core" version))
+        (file-name
+          (string-append name "-" version ".crate"))
+        (sha256
+          (base32
+            "14a7gdi5lbf99ixy27wny25gq2w5kj5rbsrpqirm9c13dzg1ggzq"))))
+    (build-system cargo-build-system)
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-crossbeam-deque" ,rust-crossbeam-deque)
+         ("rust-crossbeam-queue" ,rust-crossbeam-queue)
+         ("rust-crossbeam-utils" ,rust-crossbeam-utils)
+         ("rust-lazy-static" ,rust-lazy-static)
+         ("rust-num-cpus" ,rust-num-cpus))))
+    (home-page "https://github.com/rayon-rs/rayon")
+    (synopsis "Core APIs for Rayon")
+    (description "Core APIs for Rayon")
+    (license #f)))
+
+(define-public rust-rdrand-0.4.0
   (package
     (name "rust-rdrand")
     (version "0.4.0")
@@ -2808,22 +3408,26 @@  and @code{ptrdistance}.")
       (origin
         (method url-fetch)
         (uri (crate-uri "rdrand" version))
-        (file-name (string-append name "-" version ".crate"))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1cjq0kwx1bk7jx3kzyciiish5gqsj7620dm43dc52sr8fzmm9037"))))
+          (base32
+            "1cjq0kwx1bk7jx3kzyciiish5gqsj7620dm43dc52sr8fzmm9037"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/nagisa/rust_rdrand/")
-    (synopsis "Random number generator")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-rand-core-0.3.1" ,rust-rand-core-0.3.1))))
+    (home-page
+      "https://github.com/nagisa/rust_rdrand/")
+    (synopsis
+      "An implementation of random number generator based on rdrand and rdseed instructions")
     (description
-     "This package is an implementation of random number generator based on
-@code{rdrand} and @cpde{rdseed} instructions")
-    (properties '((hidden? . #t)))
+      "An implementation of random number generator based on rdrand and rdseed instructions")
     (license license:isc)))
 
-;; This package requires features which are unavailable
-;; on the stable releases of Rust.
-(define-public rust-redox-syscall-0.1
+(define-public rust-redox-syscall
   (package
     (name "rust-redox-syscall")
     (version "0.1.56")
@@ -2831,60 +3435,53 @@  and @code{ptrdistance}.")
       (origin
         (method url-fetch)
         (uri (crate-uri "redox_syscall" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "110y7dyfm2vci4x5vk7gr0q551dvp31npl99fnsx2fb17wzwcf94"))))
-    (build-system cargo-build-system)
-    (home-page "https://gitlab.redox-os.org/redox-os/syscall")
-    (synopsis "Rust library to access raw Redox system calls")
-    (description "This package provides a Rust library to access raw Redox
-system calls.")
-    (properties '((hidden? . #t)))
-    (license license:expat)))
-
-(define-public rust-redox-termios-0.1
-  (package
-    (name "rust-redox-termios")
-    (version "0.1.1")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "redox-termios" version))
-        (file-name (string-append name "-" version ".crate"))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0xhgvdh62mymgdl3jqrngl8hr4i8xwpnbsxnldq0l47993z1r2by"))))
+          (base32
+            "110y7dyfm2vci4x5vk7gr0q551dvp31npl99fnsx2fb17wzwcf94"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/redox-os/termios")
-    (synopsis "Rust library to access Redox termios functions")
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://gitlab.redox-os.org/redox-os/syscall")
+    (synopsis
+      "A Rust library to access raw Redox system calls")
     (description
-     "This package provides a Rust library to access Redox termios functions.")
-    (properties '((hidden? . #t)))
+      "This package provides a Rust library to access raw Redox system calls")
     (license license:expat)))
 
-(define-public rust-regex-syntax-0.6
+(define-public rust-redox-users
   (package
-    (name "rust-regex-syntax")
-    (version "0.6.10")
+    (name "rust-redox-users")
+    (version "0.3.1")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "regex-syntax" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "redox_users" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0p47lf38yj2g2fnmvnraccqlxwk35zr76hlnqi8yva932nzqam6d"))))
+          (base32
+            "0vdn688q9wg997b1x5abx2gf7406rn1lvd62ypcgh1gj7g5dpkjf"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/rust-lang/regex")
-    (synopsis "Regular expression parser")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-failure" ,rust-failure)
+         ("rust-rand-os-0.1.3" ,rust-rand-os-0.1.3)
+         ("rust-redox-syscall" ,rust-redox-syscall)
+         ("rust-rust-argon2-0.5.1"
+          ,rust-rust-argon2-0.5.1))))
+    (home-page
+      "https://gitlab.redox-os.org/redox-os/users")
+    (synopsis
+      "A Rust library to access Redox users and groups functionality")
     (description
-     "This package provides a regular expression parser.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "This package provides a Rust library to access Redox users and groups functionality")
+    (license license:expat)))
 
-(define-public rust-remove-dir-all-0.5
+(define-public rust-remove-dir-all
   (package
     (name "rust-remove-dir-all")
     (version "0.5.2")
@@ -2892,42 +3489,56 @@  system calls.")
       (origin
         (method url-fetch)
         (uri (crate-uri "remove_dir_all" version))
-        (file-name (string-append name "-" version ".crate"))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0bkrlyg26mgizpiy1yb2hhpgscxcag8r5fnckqsvk25608vzm0sa"))))
+          (base32
+            "0bkrlyg26mgizpiy1yb2hhpgscxcag8r5fnckqsvk25608vzm0sa"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/XAMPPRocky/remove_dir_all")
-    (synopsis "Implementation of remove_dir_all for Windows")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-winapi" ,rust-winapi))))
+    (home-page
+      "https://github.com/XAMPPRocky/remove_dir_all.git")
+    (synopsis
+      "A safe, reliable implementation of remove_dir_all for Windows")
     (description
-     "This package provides a safe, reliable implementation of
-@code{remove_dir_all} for Windows")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "This package provides a safe, reliable implementation of remove_dir_all for Windows")
+    (license #f)))
 
-(define-public rust-resolv-conf-0.6
+(define-public rust-rust-argon2-0.5.1
   (package
-    (name "rust-resolv-conf")
-    (version "0.6.2")
+    (name "rust-rust-argon2")
+    (version "0.5.1")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "resolv-conf" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "rust-argon2" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1jvdsmksdf6yiipm3aqahyv8n1cjd7wqc8sa0p0gzsax3fmb8qxj"))))
+          (base32
+            "1krjkmyfn37hy7sfs6lqia0fsvw130nn1z2850glsjcva7pym92c"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/tailhook/resolv-conf")
-    (synopsis "/etc/resolv.conf parser")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-base64-0.10.1" ,rust-base64-0.10.1)
+         ("rust-blake2b-simd" ,rust-blake2b-simd)
+         ("rust-crossbeam-utils-0.6.6"
+          ,rust-crossbeam-utils-0.6.6))))
+    (home-page
+      "https://github.com/sru-systems/rust-argon2")
+    (synopsis
+      "Rust implementation of the Argon2 password hashing function.")
     (description
-     "An /etc/resolv.conf parser crate for Rust.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Rust implementation of the Argon2 password hashing function.")
+    (license #f)))
 
-(define-public rust-rustc-demangle-0.1
+(define-public rust-rustc-demangle
   (package
     (name "rust-rustc-demangle")
     (version "0.1.16")
@@ -2935,41 +3546,30 @@  system calls.")
       (origin
         (method url-fetch)
         (uri (crate-uri "rustc-demangle" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "10qp42sl1wrdbgbbh8rnay2grm976z7hqgz32c4y09l1c071qsac"))))
-    (build-system cargo-build-system)
-    (home-page "https://github.com/alexcrichton/rustc-demangle")
-    (synopsis "Rust compiler symbol demangling")
-    (description
-     "This package demanges the symbols from the Rust compiler.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
-
-(define-public rust-rustc-hash-1.0
-  (package
-    (name "rust-rustc-hash")
-    (version "1.0.0")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "rustc-hash" version))
-        (file-name (string-append name "-" version ".crate"))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "114bf72466bl63i5hh8fgqfnhihs0w1m9c9jz505095agfixnvg0"))))
+          (base32
+            "10qp42sl1wrdbgbbh8rnay2grm976z7hqgz32c4y09l1c071qsac"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/rust-lang-nursery/rustc-hash")
-    (synopsis "Speedy, non-cryptographic hash used in rustc")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-compiler-builtins"
+          ,rust-compiler-builtins)
+         ("rust-rustc-std-workspace-core"
+          ,rust-rustc-std-workspace-core))))
+    (home-page
+      "https://github.com/alexcrichton/rustc-demangle")
+    (synopsis "Rust compiler symbol demangling.
+")
     (description
-     "This package provides a speedy, non-cryptographic hash used in rustc.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Rust compiler symbol demangling.
+")
+    (license #f)))
 
-(define-public rust-rustc-serialize-0.3
+(define-public rust-rustc-serialize
   (package
     (name "rust-rustc-serialize")
     (version "0.3.24")
@@ -2977,219 +3577,148 @@  system calls.")
       (origin
         (method url-fetch)
         (uri (crate-uri "rustc-serialize" version))
-        (file-name (string-append name "-" version ".crate"))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1nkg3vasg7nk80ffkazizgiyv3hb1l9g3d8h17cajbkx538jiwfw"))))
+          (base32
+            "1nkg3vasg7nk80ffkazizgiyv3hb1l9g3d8h17cajbkx538jiwfw"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/rust-lang-deprecated/rustc-serialize")
-    (synopsis "Generic serialization/deserialization support")
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/rust-lang/rustc-serialize")
+    (synopsis
+      "Generic serialization/deserialization support corresponding to the
+`derive(RustcEncodable, RustcDecodable)` mode in the compiler. Also includes
+support for hex, base64, and json encoding and decoding.
+")
     (description
-     "This package provides generic serialization/deserialization support
-corresponding to the @code{derive(RustcEncodable, RustcDecodable)} mode in the
-compiler.  Also includes support for hex, base64, and json encoding and
-decoding.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Generic serialization/deserialization support corresponding to the
+`derive(RustcEncodable, RustcDecodable)` mode in the compiler.  Also includes
+support for hex, base64, and json encoding and decoding.
+")
+    (license #f)))
 
-(define-public rust-rustc-std-workspace-core-1.0
+(define-public rust-rustc-std-workspace-alloc
   (package
-    (name "rust-rustc-std-workspace-core")
+    (name "rust-rustc-std-workspace-alloc")
     (version "1.0.0")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "rustc-std-workspace-core" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "rustc-std-workspace-alloc" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1309xhwyai9xpz128xrfjqkmnkvgjwddznmj7brbd8i8f58zamhr"))))
+          (base32
+            "11psmqk6glglxl3zwh8slz6iynfxaifh4spd2wcnws552dqdarpz"))))
     (build-system cargo-build-system)
-    (home-page "https://crates.io/crates/rustc-std-workspace-core")
-    (synopsis "Explicitly empty crate for rust-lang/rust integration")
-    (description "This crate provides an explicitly empty crate for
-rust-lang/rust integration.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments `(#:skip-build? #t))
+    (home-page "")
+    (synopsis "workspace hack")
+    (description "workspace hack")
+    (license #f)))
 
-(define-public rust-ryu-1.0
+(define-public rust-rustc-std-workspace-core
   (package
-    (name "rust-ryu")
-    (version "1.0.2")
+    (name "rust-rustc-std-workspace-core")
+    (version "1.0.0")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "ryu" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "rustc-std-workspace-core" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1j0h74f1xqf9hjkhanp8i20mqc1aw35kr1iq9i79q7713mn51a5z"))))
+          (base32
+            "1309xhwyai9xpz128xrfjqkmnkvgjwddznmj7brbd8i8f58zamhr"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/dtolnay/ryu")
+    (arguments `(#:skip-build? #t))
+    (home-page "")
     (synopsis
-      "Fast floating point to string conversion")
-    (description
-      "Fast floating point to string conversion")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0 license:boost1.0))))
-
-(define-public rust-safemem-0.3
-  (package
-    (name "rust-safemem")
-    (version "0.3.2")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "safemem" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "1l1ljkm4lpyryrv2ndaxi1f7z1f3v9bwy1rzl9f9mbhx04iq9c6j"))))
-    (build-system cargo-build-system)
-    (home-page "https://github.com/abonander/safemem")
-    (synopsis "Safe wrappers for memory-accessing functions")
+      "Explicitly empty crate for rust-lang/rust integration
+")
     (description
-     "Safe wrappers for memory-accessing functions, like @code{std::ptr::copy()}.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Explicitly empty crate for rust-lang/rust integration
+")
+    (license #f)))
 
-(define-public rust-same-file-1.0
+(define-public rust-rustc-std-workspace-std
   (package
-    (name "rust-same-file")
-    (version "1.0.5")
+    (name "rust-rustc-std-workspace-std")
+    (version "1.0.1")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "same-file" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "rustc-std-workspace-std" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "08a4zy10pjindf2rah320s6shgswk13mqw7s61m8i1y1xpf8spjq"))))
+          (base32
+            "1vq4vaclamwhk0alf4f7wq3i9wxa993sxpmhy6qfaimy1ai7d9mb"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/BurntSushi/same-file")
-    (synopsis "Determine whether two file paths point to the same file")
-    (description
-     "This package provides a simple crate for determining whether two file
-paths point to the same file.")
-    (properties '((hidden? . #t)))
-    (license (list license:unlicense
-                   license:expat))))
+    (arguments `(#:skip-build? #t))
+    (home-page "")
+    (synopsis "Workaround for rustbuild")
+    (description "Workaround for rustbuild")
+    (license #f)))
 
-(define-public rust-schannel-0.1
+(define-public rust-rustc-version
   (package
-    (name "rust-schannel")
-    (version "0.1.15")
+    (name "rust-rustc-version")
+    (version "0.2.3")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "schannel" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "rustc_version" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0f9k4pm8yc3z0n1n8hazvnrvg52f0sfxjc91bhf3r76rb3rapxpj"))))
+          (base32
+            "02h3x57lcr8l2pm0a645s9whdh33pn5cnrwvn5cb57vcrc53x3hk"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/steffengy/schannel-rs")
-    (synopsis "Rust bindings to the Windows SChannel APIs")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-semver" ,rust-semver))))
+    (home-page
+      "https://github.com/Kimundi/rustc-version-rs")
+    (synopsis
+      "A library for querying the version of a installed rustc compiler")
     (description
-     "Rust bindings to the Windows SChannel APIs providing TLS client and
-server functionality.")
-    (properties '((hidden? . #t)))
-    (license license:expat)))
+      "This package provides a library for querying the version of a installed rustc compiler")
+    (license #f)))
 
-(define-public rust-scoped-threadpool-0.1
+(define-public rust-ryu
   (package
-    (name "rust-scoped-threadpool")
-    (version "0.1.9")
+    (name "rust-ryu")
+    (version "1.0.2")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "scoped_threadpool" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "ryu" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1a26d3lk40s9mrf4imhbik7caahmw2jryhhb6vqv6fplbbgzal8x"))))
+          (base32
+            "1j0h74f1xqf9hjkhanp8i20mqc1aw35kr1iq9i79q7713mn51a5z"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/Kimundi/scoped-threadpool-rs")
-    (synopsis "library for scoped and cached threadpools")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-no-panic" ,rust-no-panic))))
+    (home-page "https://github.com/dtolnay/ryu")
+    (synopsis
+      "Fast floating point to string conversion")
     (description
-     "This crate provides a stable, safe and scoped threadpool.  It can be used
-to execute a number of short-lived jobs in parallel without the need to respawn
-the underlying threads.  Jobs are runnable by borrowing the pool for a given
-scope, during which an arbitrary number of them can be executed. These jobs can
-access data of any lifetime outside of the pools scope, which allows working on
-non-'static references in parallel.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
-
-(define-public rust-scoped-tls-1.0
-  (package
-    (name "rust-scoped-tls")
-    (version "1.0.0")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "scoped-tls" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "1hj8lifzvivdb1z02lfnzkshpvk85nkgzxsy2hc0zky9wf894spa"))))
-    (build-system cargo-build-system)
-    (home-page "https://github.com/alexcrichton/scoped-tls")
-    (synopsis "Rust library providing the old standard library's scoped_thread_local")
-    (description "This crate provides a library implementation of the standard
-library's old @code{scoped_thread_local!} macro for providing scoped access to
-@dfn{thread local storage} (TLS) so any type can be stored into TLS.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
-
-(define-public rust-scoped-tls-0.1
-  (package
-    (inherit rust-scoped-tls-1.0)
-    (name "rust-scoped-tls")
-    (version "0.1.2")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "scoped-tls" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "0a2bn9d2mb07c6l16sadijy4p540g498zddfxyiq4rsqpwrglbrk"))))))
+      "Fast floating point to string conversion")
+    (license (list license:asl2.0 license:boost1.0))))
 
-(define-public rust-scopeguard-1.0
+(define-public rust-scopeguard
   (package
     (name "rust-scopeguard")
     (version "1.0.0")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "scopeguard" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "03aay84r1f6w87ckbpj6cc4rnsxkxcfs13n5ynxjia0qkgjiabml"))))
-    (build-system cargo-build-system)
-    (home-page "https://github.com/bluss/scopeguard")
-    (synopsis "Scope guard which will run a closure even out of scope")
-    (description "This package provides a RAII scope guard that will run a
-given closure when it goes out of scope, even if the code between panics
-(assuming unwinding panic).  Defines the macros @code{defer!},
-@code{defer_on_unwind!}, @code{defer_on_success!} as shorthands for guards
-with one of the implemented strategies.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
-
-(define-public rust-scopeguard-0.3
-  (package
-    (inherit rust-scopeguard-1.0)
-    (name "rust-scopeguard")
-    (version "0.3.3")
     (source
       (origin
         (method url-fetch)
@@ -3197,1111 +3726,1118 @@  with one of the implemented strategies.")
         (file-name
           (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "09sy9wbqp409pkwmqni40qmwa99ldqpl48pp95m1xw8sc19qy9cl"))))))
-
-(define-public rust-security-framework-sys-0.3
-  (package
-    (name "rust-security-framework-sys")
-    (version "0.3.1")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "security-framework-sys" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "0mlsakq9kmqyc0fg2hcbgm6rjk55mb0rhjw2wid3hqdzkjcghdln"))))
-    (build-system cargo-build-system)
-    (home-page "https://lib.rs/crates/security-framework-sys")
-    (synopsis "Apple `Security.framework` low-level FFI bindings")
-    (description
-     "Apple `Security.framework` low-level FFI bindings.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
-
-(define-public rust-semver-parser-0.9
-  (package
-    (name "rust-semver-parser")
-    (version "0.9.0")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "semver-parser" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "1ahqhvgpzhcsd28id7xnrjv4419i9yyalhm7d7zi430qx0hi2vml"))))
-    (build-system cargo-build-system)
-    (home-page "https://github.com/steveklabnik/semver-parser")
-    (synopsis "Parsing of the semver spec")
-    (description "This package provides for parsing of the semver spec.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
-
-(define-public rust-semver-parser-0.7
-  (package
-    (inherit rust-semver-parser-0.9)
-    (name "rust-semver-parser")
-    (version "0.7.0")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "semver-parser" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "18vhypw6zgccnrlm5ps1pwa0khz7ry927iznpr88b87cagr1v2iq"))))))
-
-(define-public rust-serde-1.0
-  (package
-    (name "rust-serde")
-    (version "1.0.101")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "serde" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "1p8r24hagcsrl92w5z32nfrg9040qkgqf8iwwnf7mzigpavwk5lp"))))
-    (build-system cargo-build-system)
-    (home-page "https://serde.rs")
-    (synopsis "Generic serialization/deserialization framework")
-    (description
-     "This package provides a generic serialization/deserialization framework.")
-    (properties '((hidden? . #t)))
-    (license (list license:expat license:asl2.0))))
-
-(define-public rust-serde-derive-1.0
-  (package
-    (name "rust-serde-derive")
-    (version "1.0.101")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "serde-derive" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "0bn0wz3j48248187mfmypyqnh73mq734snxxhr05vmgcl51kl4sb"))))
+          (base32
+            "03aay84r1f6w87ckbpj6cc4rnsxkxcfs13n5ynxjia0qkgjiabml"))))
     (build-system cargo-build-system)
-    (home-page "https://serde.rs")
+    (arguments `(#:skip-build? #t))
+    (home-page "https://github.com/bluss/scopeguard")
     (synopsis
-      "Macros 1.1 implementation of #[derive(Serialize, Deserialize)]")
-    (description
-      "Macros 1.1 implementation of #[derive(Serialize, Deserialize)]")
-    (properties '((hidden? . #t)))
-    (license (list license:expat license:asl2.0))))
+      "A RAII scope guard that will run a given closure when it goes out of scope,
+even if the code between panics (assuming unwinding panic).
 
-(define-public rust-serde-json-1.0
-  (package
-    (name "rust-serde-json")
-    (version "1.0.41")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "serde-json" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "1hipk84x40454mf599752mi7l08wb8qakz8vd6d3zp57d0mfnwig"))))
-    (build-system cargo-build-system)
-    (home-page "https://github.com/serde-rs/json")
-    (synopsis "A JSON serialization file format")
+Defines the macros `defer!`, `defer_on_unwind!`, `defer_on_success!` as
+shorthands for guards with one of the implemented strategies.
+")
     (description
-     "This package provides a JSON serialization file format.")
-    (properties '((hidden? . #t)))
-    (license (list license:expat license:asl2.0))))
-
-(define-public rust-shlex-0.1
-  (package
-    (name "rust-shlex")
-    (version "0.1.1")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "shlex" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "1lmv6san7g8dv6jdfp14m7bdczq9ss7j7bgsfqyqjc3jnjfippvz"))))
-    (build-system cargo-build-system)
-    (home-page "https://github.com/comex/rust-shlex")
-    (synopsis "Split a string into shell words, like Python's shlex")
-    (description "This crate provides a method to split a string into shell
-words, like Python's shlex.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "This package provides a RAII scope guard that will run a given closure when it goes out of scope,
+even if the code between panics (assuming unwinding panic).
 
-(define-public rust-slab-0.4
-  (package
-    (name "rust-slab")
-    (version "0.4.2")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "slab" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "1y59xsa27jk84sxzswjk60xcjf8b4fm5960jwpznrrcmasyva4f1"))))
-    (build-system cargo-build-system)
-    (home-page "https://github.com/carllerche/slab")
-    (synopsis "Pre-allocated storage for a uniform data type")
-    (description "This create provides a pre-allocated storage for a uniform
-data type.")
-    (properties '((hidden? . #t)))
-    (license license:expat)))
-
-(define-public rust-socket2-0.3
-  (package
-    (name "rust-socket2")
-    (version "0.3.11")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "socket2" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "11bdcz04i106g4q7swkll0qxrb4287srqd2k3aq2q6i22zjlvdz8"))))
-    (build-system cargo-build-system)
-    (home-page "https://github.com/alexcrichton/socket2-rs")
-    (synopsis "Networking sockets in Rust")
-    (description
-     "This package provides utilities for handling networking sockets with a
-maximal amount of configuration possible intended.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+Defines the macros `defer!`, `defer_on_unwind!`, `defer_on_success!` as
+shorthands for guards with one of the implemented strategies.
+")
+    (license #f)))
 
-(define-public rust-sourcefile-0.1
+(define-public rust-scroll-0.9.2
   (package
-    (name "rust-sourcefile")
-    (version "0.1.4")
+    (name "rust-scroll")
+    (version "0.9.2")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "sourcefile" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "scroll" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1lwa6973zs4bgj29my7agfjgk4nw9hp6j7dfnr13nid85fw7rxsb"))))
+          (base32
+            "10q3w86bn22xrjlfg1c90dfi9c26qjkzn26nad0i9z8pxwad311g"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/derekdreery/sourcefile-rs")
-    (synopsis "Concatenate source from multiple files")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-scroll-derive-0.9.5"
+          ,rust-scroll-derive-0.9.5))))
+    (home-page "https://github.com/m4b/scroll")
+    (synopsis
+      "A suite of powerful, extensible, generic, endian-aware Read/Write traits for byte buffers")
     (description
-     "A library for concatenating source from multiple files, whilst keeping
-track of where each new file and line starts.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
-
-(define-public rust-spin-0.5
-  (package
-    (name "rust-spin")
-    (version "0.5.0")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "spin" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "0m9clchsj0rf13bggsgvbv9haiy0f6rhvnvkpvkk8720a5pkydj4"))))
-    (build-system cargo-build-system)
-    (home-page "https://github.com/mvdnes/spin-rs")
-    (synopsis "Synchronization primitives based on spinning")
-    (description "This crate provides synchronization primitives based on
-spinning.  They may contain data, are usable without @code{std},and static
-initializers are available.")
-    (properties '((hidden? . #t)))
+      "This package provides a suite of powerful, extensible, generic, endian-aware Read/Write traits for byte buffers")
     (license license:expat)))
 
-(define-public rust-stable-deref-trait-1.1
-  (package
-    (name "rust-stable-deref-trait")
-    (version "1.1.1")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "stable_deref_trait" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "1j2lkgakksmz4vc5hfawcch2ipiskrhjs1sih0f3br7s7rys58fv"))))
-    (build-system cargo-build-system)
-    (home-page "https://github.com/storyyeller/stable_deref_trait0")
-    (synopsis "Defines an unsafe marker trait, StableDeref")
-    (description
-      "This crate defines an unsafe marker trait, StableDeref, for container
-types which deref to a fixed address which is valid even when the containing
-type is moved.  For example, Box, Vec, Rc, Arc and String implement this trait.
-Additionally, it defines CloneStableDeref for types like Rc where clones deref
-to the same address.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
-
-(define-public rust-stacker-0.1
+(define-public rust-scroll-derive-0.9.5
   (package
-    (name "rust-stacker")
-    (version "0.1.5")
+    (name "rust-scroll-derive")
+    (version "0.9.5")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "stacker" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "0js0axz5nla1mkr2dm2vrv9rj964ng1lrv4l43sqlnfgawplhygv"))))
-    (build-system cargo-build-system)
-    (home-page "https://github.com/rust-lang/stacker")
-    (synopsis "Manual segmented stacks for Rust")
-    (description
-     "This package provides a stack growth library useful when implementing
-deeply recursive algorithms that may accidentally blow the stack.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
-
-(define-public rust-static-assertions-0.3
-  (package
-    (name "rust-static-assertions")
-    (version "0.3.4")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "static-assertions" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "1lw33i89888yb3x29c6dv4mrkg3534n0rlg3r7qzh4p58xmv6gkz"))))
-    (build-system cargo-build-system)
-    (home-page "https://github.com/nvzqz/static-assertions-rs")
-    (synopsis "Compile-time assertions for rust")
-    (description
-     "This package provides compile-time assertions to ensure that invariants
-are met.")
-    (properties '((hidden? . #t)))
-    (license (list license:expat license:asl2.0))))
-
-(define-public rust-stdweb-internal-runtime-0.1
-  (package
-    (name "rust-stdweb-internal-runtime")
-    (version "0.1.4")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "stdweb-internal-runtime" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "1nhpyra7glbwcpakhpj5a3d7h7kx1ynif473nzshmk226m91f8ym"))))
-    (build-system cargo-build-system)
-    (home-page "https://github.com/koute/stdweb")
-    (synopsis "Internal runtime for the @code{stdweb} crate")
-    (description "This crate provides internal runtime for the @code{stdweb}
-crate.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
-
-(define-public rust-stdweb-internal-test-macro-0.1
-  (package
-    (name "rust-stdweb-internal-test-macro")
-    (version "0.1.0")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "stdweb-internal-test-macro" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "scroll_derive" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "12rrm7p77xnm3xacgn3rgniiyyjb4gq7902wpbljsvbx045z69l2"))))
+          (base32
+            "1jqg5mm8nvii6avl1z1rc89agzh2kwkppgpsnwfakxg78mnaj6lg"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/koute/stdweb")
-    (synopsis "Internal crate of the `stdweb` crate")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-proc-macro2-0.4.30"
+          ,rust-proc-macro2-0.4.30)
+         ("rust-quote-0.6.13" ,rust-quote-0.6.13)
+         ("rust-syn-0.15.44" ,rust-syn-0.15.44))))
+    (home-page "https://github.com/m4b/scroll")
+    (synopsis
+      "A macros 1.1 derive implementation for Pread and Pwrite traits from the scroll crate")
     (description
-     "Internal crate of the @code{stdweb} crate.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "This package provides a macros 1.1 derive implementation for Pread and Pwrite traits from the scroll crate")
+    (license license:expat)))
 
-(define-public rust-streaming-stats-0.2
+(define-public rust-semver
   (package
-    (name "rust-streaming-stats")
-    (version "0.2.2")
+    (name "rust-semver")
+    (version "0.9.0")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "streaming-stats" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "semver" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0l7xz4g6709s80zqpvlhrg0qhgz64r94cwhmfsg8xhabgznbp2px"))))
+          (base32
+            "00q4lkcj0rrgbhviv9sd4p6qmdsipkwkbra7rh11jrhq5kpvjzhx"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/BurntSushi/rust-stats")
-    (synopsis "Compute basic statistics on streams")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-semver-parser-0.7.0"
+          ,rust-semver-parser-0.7.0)
+         ("rust-serde" ,rust-serde))))
+    (home-page "https://docs.rs/crate/semver/")
+    (synopsis
+      "Semantic version parsing and comparison.
+")
     (description
-     "Experimental crate for computing basic statistics on streams.")
-    (properties '((hidden? . #t)))
-    (license (list license:unlicense
-                   license:expat))))
+      "Semantic version parsing and comparison.
+")
+    (license #f)))
 
-(define-public rust-strsim-0.9
+(define-public rust-semver-parser-0.7.0
   (package
-    (name "rust-strsim")
-    (version "0.9.2")
+    (name "rust-semver-parser")
+    (version "0.7.0")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "strsim" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "semver-parser" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1xphwhf86yxxmcpvm4mikj8ls41f6nf7gqyjm98b74mfk81h6b03"))))
+          (base32
+            "18vhypw6zgccnrlm5ps1pwa0khz7ry927iznpr88b87cagr1v2iq"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/dguo/strsim-rs")
-    (synopsis "Rust implementations of string similarity metrics")
-    (description "This crate includes implementations of string similarity
-metrics.  It includes Hamming, Levenshtein, OSA, Damerau-Levenshtein, Jaro,
-and Jaro-Winkler.")
-    (properties '((hidden? . #t)))
-    (license license:expat)))
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/steveklabnik/semver-parser")
+    (synopsis "Parsing of the semver spec.
+")
+    (description "Parsing of the semver spec.
+")
+    (license #f)))
 
-(define-public rust-strsim-0.8
+(define-public rust-serde
   (package
-    (inherit rust-strsim-0.9)
-    (name "rust-strsim")
-    (version "0.8.0")
+    (name "rust-serde")
+    (version "1.0.103")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "strsim" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "serde" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0sjsm7hrvjdifz661pjxq5w4hf190hx53fra8dfvamacvff139cf"))))))
+          (base32
+            "00ip3xy09nk6c2b47ky1m5379yjmwk6n3sr2vmblp478p1xgj5qj"))))
+    (build-system cargo-build-system)
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-serde-derive" ,rust-serde-derive))))
+    (home-page "https://serde.rs")
+    (synopsis
+      "A generic serialization/deserialization framework")
+    (description
+      "This package provides a generic serialization/deserialization framework")
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-syn-1.0
+(define-public rust-serde-0.8.23
   (package
-    (name "rust-syn")
-    (version "1.0.5")
+    (name "rust-serde")
+    (version "0.8.23")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "syn" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "serde" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1gw03w7lzrlqmp2vislcybikgl5wkhrqi6sy70w93xss2abhx1b6"))))
+          (base32
+            "1j4ajipn0sf4ya0crgcb94s848qp7mfc35n6d0q2rf8rk5skzbcx"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/dtolnay/syn")
-    (synopsis "Parser for Rust source code")
-    (description "Parser for Rust source code")
-    (properties '((hidden? . #t)))
-    (license (list license:expat license:asl2.0))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-clippy" ,rust-clippy))))
+    (home-page "https://serde.rs")
+    (synopsis
+      "A generic serialization/deserialization framework")
+    (description
+      "This package provides a generic serialization/deserialization framework")
+    (license #f)))
 
-(define-public rust-synstructure-test-traits-0.1
+(define-public rust-serde-derive
   (package
-    (name "rust-synstructure-test-traits")
-    (version "0.1.0")
+    (name "rust-serde-derive")
+    (version "1.0.103")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "synstructure_test_traits" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "serde_derive" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1b3fs2b9kc1gy9dilaxqjbdl4z0mlrbbxjzkprdx953rif1c3q66"))))
+          (base32
+            "1l2icqq548dmq5bn278zb2vj725znj4h4ms89w3b0r1fkbpzmim8"))))
     (build-system cargo-build-system)
-    (home-page "https://crates.io/crates/synstructure_test_traits")
-    (synopsis "Helper test traits for synstructure doctests")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-proc-macro2" ,rust-proc-macro2)
+         ("rust-quote" ,rust-quote)
+         ("rust-syn" ,rust-syn))))
+    (home-page "https://serde.rs")
+    (synopsis
+      "Macros 1.1 implementation of #[derive(Serialize, Deserialize)]")
     (description
-     "This package provides helper test traits for synstructure doctests.")
-    (properties '((hidden? . #t)))
-    (license license:expat)))
+      "Macros 1.1 implementation of #[derive(Serialize, Deserialize)]")
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-tar-0.4
+(define-public rust-serde-json
   (package
-    (name "rust-tar")
-    (version "0.4.26")
+    (name "rust-serde-json")
+    (version "1.0.44")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "tar" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "serde_json" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1lr6v3cpkfxd2lk5ll2jd8wr1xdskwj35smnh5sfb8xvzzxnn6dk"))))
+          (base32
+            "1mysl675nqhzzkbcrqy4x63cbbsrrx3gcc7k8ydx1gajrkh7bia8"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/alexcrichton/tar-rs")
-    (synopsis "Tar file reading/writing for Rust")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-indexmap" ,rust-indexmap)
+         ("rust-itoa" ,rust-itoa)
+         ("rust-ryu" ,rust-ryu)
+         ("rust-serde" ,rust-serde))))
+    (home-page "https://github.com/serde-rs/json")
+    (synopsis "A JSON serialization file format")
     (description
-     "This package provides a Rust implementation of a TAR file reader and
-writer.  This library does not currently handle compression, but it is abstract
-over all I/O readers and writers.  Additionally, great lengths are taken to
-ensure that the entire contents are never required to be entirely resident in
-memory all at once.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "This package provides a JSON serialization file format")
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-tempdir-0.3
+(define-public rust-serde-test-0.8.23
   (package
-    (name "rust-tempdir")
-    (version "0.3.7")
+    (name "rust-serde-test")
+    (version "0.8.23")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "tempdir" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "serde_test" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1n5n86zxpgd85y0mswrp5cfdisizq2rv3la906g6ipyc03xvbwhm"))))
+          (base32
+            "1m939j7cgs7i58r6vxf0ffp3nbr8advr8p9dqa9w8zk0z2yks2qi"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/rust-lang-deprecated/tempdir")
-    (synopsis "Temporary directory management for Rust")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-serde-0.8.23" ,rust-serde-0.8.23))))
+    (home-page "https://serde.rs")
+    (synopsis
+      "Token De/Serializer for testing De/Serialize implementations")
     (description
-     "This package provides a library for managing a temporary directory and
-deleting all contents when it's dropped.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Token De/Serializer for testing De/Serialize implementations")
+    (license #f)))
 
-(define-public rust-tempfile-3.0
+(define-public rust-sha1
   (package
-    (name "rust-tempfile")
-    (version "3.0.8")
+    (name "rust-sha1")
+    (version "0.6.0")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "tempfile" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "sha1" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1vqk7aq2l04my2r3jiyyxirnf8f90nzcvjasvrajivb85s7p7i3x"))))
+          (base32
+            "03gs2q4m67rn2p8xcdfxhip6mpgahdwm12bnb3vh90ahv9grhy95"))))
     (build-system cargo-build-system)
-    (home-page "http://stebalien.com/projects/tempfile-rs")
-    (synopsis "Library for managing temporary files and directories")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-serde" ,rust-serde))))
+    (home-page
+      "https://github.com/mitsuhiko/rust-sha1")
+    (synopsis
+      "Minimal implementation of SHA1 for Rust.")
     (description
-     "This package provides a library for managing temporary files and
-directories.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Minimal implementation of SHA1 for Rust.")
+    (license license:bsd-3)))
 
-(define-public rust-term-0.4
+(define-public rust-slab
   (package
-    (name "rust-term")
-    (version "0.4.6")
+    (name "rust-slab")
+    (version "0.4.2")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "term" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "slab" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1wbh8ngqkqr3f6wz902yplf60bd5yapnckvrkgmzp5nffi7n8qzs"))))
+          (base32
+            "1y59xsa27jk84sxzswjk60xcjf8b4fm5960jwpznrrcmasyva4f1"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/Stebalien/term")
-    (synopsis "Terminal formatting library")
+    (arguments `(#:skip-build? #t))
+    (home-page "https://github.com/carllerche/slab")
+    (synopsis
+      "Pre-allocated storage for a uniform data type")
     (description
-     "This package provides a terminal formatting library in rust.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Pre-allocated storage for a uniform data type")
+    (license license:expat)))
 
-(define-public rust-termcolor-1.0
+(define-public rust-sleef-sys
   (package
-    (name "rust-termcolor")
-    (version "1.0.5")
+    (name "rust-sleef-sys")
+    (version "0.1.2")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "termcolor" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "sleef-sys" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0vjfsn1a8zvqhnrbygrz1id6yckwv1dncw3w4zj65qdx0f00kmln"))))
+          (base32
+            "1881q2yc17j2m1yvh01447c93ws1mspnrj3k2nbvwbvcm8z81kkv"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/BurntSushi/termcolor")
-    (synopsis "Library for writing colored text to a terminal")
-    (description "This package provides a simple cross platform library for
-writing colored text to a terminal.")
-    (properties '((hidden? . #t)))
-    (license (list license:unlicense
-                   license:expat))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-cfg-if" ,rust-cfg-if)
+         ("rust-libc" ,rust-libc))))
+    (home-page "https://github.com/gnzlbg/sleef-sys")
+    (synopsis
+      "Rust FFI bindings to the SLEEF Vectorized Math Library
+")
+    (description
+      "Rust FFI bindings to the SLEEF Vectorized Math Library
+")
+    (license #f)))
 
-(define-public rust-termion-1.5
+(define-public rust-slog
   (package
-    (name "rust-termion")
-    (version "1.5.3")
+    (name "rust-slog")
+    (version "2.5.2")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "termion" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "slog" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0c634rg520zjjfhwnxrc2jbfjz7db0rcpsjs1qici0nyghpv53va"))))
+          (base32
+            "16bv6zrdn1sm315vbnia02g31xvsmbjyz5gv3z0vrgxdli0cdj8w"))))
     (build-system cargo-build-system)
-    (home-page "https://gitlab.redox-os.org/redox-os/termion")
-    (synopsis "Library for manipulating terminals")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-erased-serde" ,rust-erased-serde))))
+    (home-page "https://github.com/slog-rs/slog")
+    (synopsis
+      "Structured, extensible, composable logging for Rust")
     (description
-     "This package provides a bindless library for manipulating terminals.")
-    (properties '((hidden? . #t)))
-    (license license:expat)))
+      "Structured, extensible, composable logging for Rust")
+    (license (list #f license:asl2.0))))
 
-(define-public rust-termios-0.3
+(define-public rust-smallvec-0.6.13
   (package
-    (name "rust-termios")
-    (version "0.3.1")
+    (name "rust-smallvec")
+    (version "0.6.13")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "termios" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "smallvec" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "09any1p4jp4bphvb5ikagnvwjc3xn2djchy96nkpa782xb2j1dkj"))))
+          (base32
+            "1dl219vnfkmsfx28lm3f83lyw24zap6fdsli6rg8nnp1aa67bc7p"))))
     (build-system cargo-build-system)
-    (home-page  "https://github.com/dcuddeback/termios-rs")
-    (synopsis "Safe bindings for the termios library")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-maybe-uninit" ,rust-maybe-uninit)
+         ("rust-serde" ,rust-serde))))
+    (home-page
+      "https://github.com/servo/rust-smallvec")
+    (synopsis
+      "'Small vector' optimization: store up to a small number of items on the stack")
     (description
-     "The termios crate provides safe bindings for the Rust programming language
-to the terminal I/O interface implemented by Unix operating systems.  The safe
-bindings are a small wrapper around the raw C functions, which converts integer
-return values to @code{std::io::Result} to indicate success or failure.")
-    (properties '((hidden? . #t)))
-    (license license:expat)))
+      "'Small vector' optimization: store up to a small number of items on the stack")
+    (license #f)))
 
-(define-public rust-textwrap-0.11
+(define-public rust-spin
   (package
-    (name "rust-textwrap")
-    (version "0.11.0")
+    (name "rust-spin")
+    (version "0.5.2")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "textwrap" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "spin" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0q5hky03ik3y50s9sz25r438bc4nwhqc6dqwynv4wylc807n29nk"))))
+          (base32
+            "0b84m6dbzrwf2kxylnw82d3dr8w06av7rfkr8s85fb5f43rwyqvf"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/mgeisler/textwrap")
-    (synopsis "Library for word wrapping, indenting, and dedenting strings")
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/mvdnes/spin-rs.git")
+    (synopsis
+      "Synchronization primitives based on spinning.
+They may contain data, are usable without `std`,
+and static initializers are available.
+")
     (description
-     "Textwrap is a small library for word wrapping, indenting, and dedenting
-strings.  You can use it to format strings (such as help and error messages)
-for display in commandline applications.  It is designed to be efficient and
-handle Unicode characters correctly.")
-    (properties '((hidden? . #t)))
+      "Synchronization primitives based on spinning.
+They may contain data, are usable without `std`,
+and static initializers are available.
+")
     (license license:expat)))
 
-(define-public rust-thread-id-3.3
+(define-public rust-stable-deref-trait
   (package
-    (name "rust-thread-id")
-    (version "3.3.0")
+    (name "rust-stable-deref-trait")
+    (version "1.1.1")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "thread-id" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "stable_deref_trait" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1h90v19fjz3x9b25ywh68z5yf2zsmm6h5zb4rl302ckbsp4z9yy7"))))
+          (base32
+            "1j2lkgakksmz4vc5hfawcch2ipiskrhjs1sih0f3br7s7rys58fv"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/ruuda/thread-id")
-    (synopsis "Get a unique ID for the current thread in Rust")
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/storyyeller/stable_deref_trait")
+    (synopsis
+      "An unsafe marker trait for types like Box and Rc that dereference to a stable address even when moved, and hence can be used with libraries such as owning_ref and rental.
+")
     (description
-     "For diagnostics and debugging it can often be useful to get an ID that is
-different for every thread.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "An unsafe marker trait for types like Box and Rc that dereference to a stable address even when moved, and hence can be used with libraries such as owning_ref and rental.
+")
+    (license #f)))
 
-(define-public rust-thread-local-0.3
+(define-public rust-stdweb
   (package
-    (name "rust-thread-local")
-    (version "0.3.6")
+    (name "rust-stdweb")
+    (version "0.4.20")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "thread_local" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "stdweb" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "06rzik99p8c5js8238yhc8rk6np543ylb1dy9nrw5v80j0r3xdf6"))))
+          (base32
+            "1md14n9rzxzdskz3hpgln8vxfwqsw2cswc0f5nslh4r82rmlj8nh"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/Amanieu/thread_local-rs")
-    (synopsis "Per-object thread-local storage")
-    (description "Per-object thread-local storage")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-discard" ,rust-discard)
+         ("rust-futures-channel-preview"
+          ,rust-futures-channel-preview)
+         ("rust-futures-core-preview"
+          ,rust-futures-core-preview)
+         ("rust-futures-executor-preview"
+          ,rust-futures-executor-preview)
+         ("rust-futures-util-preview"
+          ,rust-futures-util-preview)
+         ("rust-serde" ,rust-serde)
+         ("rust-serde-json" ,rust-serde-json)
+         ("rust-stdweb-derive" ,rust-stdweb-derive)
+         ("rust-stdweb-internal-macros"
+          ,rust-stdweb-internal-macros)
+         ("rust-stdweb-internal-runtime"
+          ,rust-stdweb-internal-runtime)
+         ("rust-wasm-bindgen" ,rust-wasm-bindgen))))
+    (home-page "https://github.com/koute/stdweb")
+    (synopsis
+      "A standard library for the client-side Web")
+    (description
+      "This package provides a standard library for the client-side Web")
+    (license #f)))
 
-(define-public rust-threadpool-1.7
+(define-public rust-stdweb-derive
   (package
-    (name "rust-threadpool")
-    (version "1.7.1")
+    (name "rust-stdweb-derive")
+    (version "0.5.3")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "threadpool" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "stdweb-derive" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0rd89n1q7vy47w4c32cnynibffv9kj3jy3dwr0536n9lbw5ckw72"))))
+          (base32
+            "1vsh7g0gaxn4kxqq3knhymdn02p2pfxmnd2j0vplpj6c1yj60yn8"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/rust-threadpool/rust-threadpool")
-    (synopsis "Thread pool for running jobs on a fixed set of worker threads")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-proc-macro2" ,rust-proc-macro2)
+         ("rust-quote" ,rust-quote)
+         ("rust-serde" ,rust-serde)
+         ("rust-serde-derive" ,rust-serde-derive)
+         ("rust-syn" ,rust-syn))))
+    (home-page "https://github.com/koute/stdweb")
+    (synopsis "Derive macros for the `stdweb` crate")
     (description
-     "This package provides a thread pool for running a number of jobs on a
-fixed set of worker threads.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Derive macros for the `stdweb` crate")
+    (license #f)))
 
-(define-public rust-time-0.1
+(define-public rust-stdweb-internal-macros
   (package
-    (name "rust-time")
-    (version "0.1.39")
+    (name "rust-stdweb-internal-macros")
+    (version "0.2.9")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "time" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "stdweb-internal-macros" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "161hqx0gw722ikydanpahky447vaxqncwmkj66rny282vzqpalx1"))))
+          (base32
+            "049fq8fl5ny9l5if2qv7kxwng7g6ns95h4fbm3zx360dmpv5zyjq"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/rust-lang-deprecated/time")
-    (synopsis "Simple time handling in Rust")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-base-x" ,rust-base-x)
+         ("rust-proc-macro2" ,rust-proc-macro2)
+         ("rust-quote" ,rust-quote)
+         ("rust-serde" ,rust-serde)
+         ("rust-serde-derive" ,rust-serde-derive)
+         ("rust-serde-json" ,rust-serde-json)
+         ("rust-sha1" ,rust-sha1)
+         ("rust-syn" ,rust-syn))))
+    (home-page "https://github.com/koute/stdweb")
+    (synopsis
+      "Internal procedural macros for the `stdweb` crate")
     (description
-     "This package provides utilities for working with time-related functions
-in Rust.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Internal procedural macros for the `stdweb` crate")
+    (license #f)))
 
-(define-public rust-tokio-mock-task-0.1
+(define-public rust-stdweb-internal-runtime
   (package
-    (name "rust-tokio-mock-task")
-    (version "0.1.1")
+    (name "rust-stdweb-internal-runtime")
+    (version "0.1.5")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "tokio-mock-task" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "stdweb-internal-runtime" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1y7q83qfk9ljjfvs82b453pmz9x1v3d6kr4x55j8mal01s6790dw"))))
+          (base32
+            "1h0nkppb4r8dbrbms2hw9n5xdcs392m0r5hj3b6lsx3h6fx02dr1"))))
     (build-system cargo-build-system)
-    (home-page  "https://github.com/carllerche/tokio-mock-task")
-    (synopsis "Mock a Tokio task")
-    (description "Mock a Tokio task")
-    (properties '((hidden? . #t)))
-    (license license:expat)))
+    (arguments `(#:skip-build? #t))
+    (home-page "https://github.com/koute/stdweb")
+    (synopsis
+      "Internal runtime for the `stdweb` crate")
+    (description
+      "Internal runtime for the `stdweb` crate")
+    (license #f)))
 
-(define-public rust-toml-0.5
+(define-public rust-stream-cipher
   (package
-    (name "rust-toml")
-    (version "0.5.3")
+    (name "rust-stream-cipher")
+    (version "0.3.2")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "toml" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "stream-cipher" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "093p48vpqm4bb8q3514xsij0dkljxlr3jp9ypxr4p48xjisvxan7"))))
+          (base32
+            "1333qng84n6b15p8kndhajlgvbp1rgdddx04xgsvrjlnb1m2acc1"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/alexcrichton/toml-rs")
-    (synopsis "Rust encoder and decoder of TOML-formatted files and streams")
-    (description
-     "This package provides a native Rust encoder and decoder of TOML-formatted
-files and streams.  Provides implementations of the standard
-Serialize/Deserialize traits for TOML data to facilitate deserializing and
-serializing Rust structures.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-blobby" ,rust-blobby)
+         ("rust-generic-array-0.12.3"
+          ,rust-generic-array-0.12.3))))
+    (home-page
+      "https://github.com/RustCrypto/traits")
+    (synopsis "Stream cipher traits")
+    (description "Stream cipher traits")
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-tracing-core-0.1
+(define-public rust-strsim-0.8.0
   (package
-    (name "rust-tracing-core")
-    (version "0.1.2")
+    (name "rust-strsim")
+    (version "0.8.0")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "tracing-core" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "strsim" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "01fa73wzw2m5ybi3kkd52dgrw97mgc3i6inmhwys46ab28giwnxi"))))
+          (base32
+            "0sjsm7hrvjdifz661pjxq5w4hf190hx53fra8dfvamacvff139cf"))))
     (build-system cargo-build-system)
-    (home-page "https://tokio.rs")
-    (synopsis "Core primitives for application-level tracing")
+    (arguments `(#:skip-build? #t))
+    (home-page "https://github.com/dguo/strsim-rs")
+    (synopsis
+      "Implementations of string similarity metrics.
+Includes Hamming, Levenshtein, OSA, Damerau-Levenshtein, Jaro, and Jaro-Winkler.
+")
     (description
-     "Core primitives for application-level tracing.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Implementations of string similarity metrics.
+Includes Hamming, Levenshtein, OSA, Damerau-Levenshtein, Jaro, and Jaro-Winkler.
+")
+    (license license:expat)))
 
-(define-public rust-traitobject-0.1
+(define-public rust-sval
   (package
-    (name "rust-traitobject")
-    (version "0.1.0")
+    (name "rust-sval")
+    (version "0.4.7")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "traitobject" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "sval" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0yb0n8822mr59j200fyr2fxgzzgqljyxflx9y8bdy3rlaqngilgg"))))
+          (base32
+            "1aljggx64481q4wp3wx9hxsfh2bs7d64nqsrwbb2zxcpmdnbn6yk"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/reem/rust-traitobject")
-    (synopsis "Unsafe helpers for dealing with raw trait objects")
-    (description "Unsafe helpers for dealing with raw trait objects.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-serde" ,rust-serde)
+         ("rust-smallvec-0.6.13" ,rust-smallvec-0.6.13)
+         ("rust-sval-derive" ,rust-sval-derive))))
+    (home-page "https://github.com/sval-rs/sval")
+    (synopsis
+      "A no-std, object-safe serialization framework")
+    (description
+      "This package provides a no-std, object-safe serialization framework")
+    (license (list license:asl2.0 license:expat))))
 
-(define-public rust-try-from-0.3
+(define-public rust-sval-derive
   (package
-    (name "rust-try-from")
-    (version "0.3.2")
+    (name "rust-sval-derive")
+    (version "0.4.7")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "try_from" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "sval_derive" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "12wdd4ja7047sd3rx70hv2056hyc8gcdllcx3a41g1rnw64kng98"))))
+          (base32
+            "07s7jqsdczsg0wnydfnxyrsj8zyrjmiwl4is1dfgn8dfvyi8n2bj"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/derekjw/try_from")
-    (synopsis "TryFrom and TryInto traits for failable conversions")
-    (description
-      "TryFrom and TryInto traits for failable conversions that return a Result.")
-    (properties '((hidden? . #t)))
-    (license license:expat)))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-proc-macro2" ,rust-proc-macro2)
+         ("rust-quote" ,rust-quote)
+         ("rust-syn" ,rust-syn))))
+    (home-page "https://github.com/sval-rs/sval")
+    (synopsis "Custom derive for sval")
+    (description "Custom derive for sval")
+    (license (list license:asl2.0 license:expat))))
 
-(define-public rust-try-lock-0.2
+(define-public rust-syn
   (package
-    (name "rust-try-lock")
-    (version "0.2.2")
+    (name "rust-syn")
+    (version "1.0.11")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "try-lock" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "syn" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "10p36rx6pqi9d0zr876xa8vksx2m66ha45myakl50rn08dxyn176"))))
+          (base32
+            "0f4jmp6n02br9hiwf4rcllmmmqxigs47yqbnb5nzxqks43dsrw6z"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/seanmonstar/try-lock")
-    (synopsis "Lightweight atomic lock")
-    (description
-     "This package provides a lightweight atomic lock.")
-    (properties '((hidden? . #t)))
-    (license license:expat)))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-proc-macro2" ,rust-proc-macro2)
+         ("rust-quote" ,rust-quote)
+         ("rust-unicode-xid" ,rust-unicode-xid))))
+    (home-page "https://github.com/dtolnay/syn")
+    (synopsis "Parser for Rust source code")
+    (description "Parser for Rust source code")
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-typeable-0.1
+(define-public rust-syn-0.15.44
   (package
-    (name "rust-typeable")
-    (version "0.1.2")
+    (name "rust-syn")
+    (version "0.15.44")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "typeable" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "syn" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "11w8dywgnm32hb291izjvh4zjd037ccnkk77ahk63l913zwzc40l"))))
+          (base32
+            "1id5g6x6zihv3j7hwrw3m1jp636bg8dpi671r7zy3jvpkavb794w"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/reem/rust-typeable")
-    (synopsis "Exposes Typeable, for getting TypeIds at runtime")
-    (description "Exposes Typeable, for getting TypeIds at runtime.")
-    (properties '((hidden? . #t)))
-    (license license:expat)))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-proc-macro2-0.4.30"
+          ,rust-proc-macro2-0.4.30)
+         ("rust-quote-0.6.13" ,rust-quote-0.6.13)
+         ("rust-unicode-xid-0.1.0"
+          ,rust-unicode-xid-0.1.0))))
+    (home-page "https://github.com/dtolnay/syn")
+    (synopsis "Parser for Rust source code")
+    (description "Parser for Rust source code")
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-typemap-0.3
+(define-public rust-synstructure
   (package
-    (name "rust-typemap")
-    (version "0.3.3")
+    (name "rust-synstructure")
+    (version "0.12.3")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "typemap" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "synstructure" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1xm1gbvz9qisj1l6d36hrl9pw8imr8ngs6qyanjnsad3h0yfcfv5"))))
+          (base32
+            "0igmc5fzpk6fg7kgff914j05lbpc6ai2wmji312v2h8vvjhnwrb7"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/reem/rust-typemap")
-    (synopsis "Typesafe store for many value types")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-proc-macro2" ,rust-proc-macro2)
+         ("rust-quote" ,rust-quote)
+         ("rust-syn" ,rust-syn)
+         ("rust-unicode-xid" ,rust-unicode-xid))))
+    (home-page
+      "https://github.com/mystor/synstructure")
+    (synopsis
+      "Helper methods and macros for custom derives")
     (description
-     "A typesafe store for many value types.")
-    (properties '((hidden? . #t)))
+      "Helper methods and macros for custom derives")
     (license license:expat)))
 
-(define-public rust-typenum-1.10
+(define-public rust-tempfile
   (package
-    (name "rust-typenum")
-    (version "1.10.0")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "typenum" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "0sc1jirllfhdi52z1xv9yqzxzpk6v7vadd13n7wvs1wnjipn6bb1"))))
-    (build-system cargo-build-system)
-    (home-page "https://github.com/paholg/typenum")
-    (synopsis "Rust library for type-level numbers evaluated at compile time")
-    (description "Typenum is a Rust library for type-level numbers evaluated at
-compile time.  It currently supports bits, unsigned integers, and signed
-integers.  It also provides a type-level array of type-level numbers, but its
-implementation is incomplete.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
-
-(define-public rust-ucd-trie-0.1
-  (package
-    (name "rust-ucd-trie")
-    (version "0.1.2")
+    (name "rust-tempfile")
+    (version "3.1.0")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "ucd-trie" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "tempfile" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1hh6kyzh5xygwy96wfmsf8v8czlzhps2lgbcyhj1xzy1w1xys04g"))))
+          (base32
+            "1a9cfdqw70n7bcnkx05aih9xdba8lqazmqlkjpkmn2la6gcj8vks"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/BurntSushi/ucd-generate")
-    (synopsis "Trie for storing Unicode codepoint sets and maps")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-cfg-if" ,rust-cfg-if)
+         ("rust-libc" ,rust-libc)
+         ("rust-rand" ,rust-rand)
+         ("rust-redox-syscall" ,rust-redox-syscall)
+         ("rust-remove-dir-all" ,rust-remove-dir-all)
+         ("rust-winapi" ,rust-winapi))))
+    (home-page
+      "http://stebalien.com/projects/tempfile-rs")
+    (synopsis
+      "A library for managing temporary files and directories.")
     (description
-     "This package provides a trie for storing Unicode codepoint sets and maps.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "This package provides a library for managing temporary files and directories.")
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-ucd-util-0.1
+(define-public rust-term-0.5.2
   (package
-    (name "rust-ucd-util")
-    (version "0.1.5")
+    (name "rust-term")
+    (version "0.5.2")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "ucd-util" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "term" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0x088q5z0m09a2jqcfgsnq955y8syn1mgn35cl78qinkxm4kp6zs"))))
+          (base32
+            "0hkgjrfisj6zjwz525639pmsvzhlc48a0h65nw87qrdp6jihdlgd"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/BurntSushi/ucd-generate")
-    (synopsis "library for working with the Unicode character database")
-    (description "This package provides a small utility library for working
-with the Unicode character database.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-byteorder" ,rust-byteorder)
+         ("rust-dirs-1.0.5" ,rust-dirs-1.0.5)
+         ("rust-winapi" ,rust-winapi))))
+    (home-page "https://github.com/Stebalien/term")
+    (synopsis "A terminal formatting library
+")
+    (description
+      "This package provides a terminal formatting library
+")
+    (license #f)))
 
-(define-public rust-unicase-2.4
+(define-public rust-term-size-0.3.1
   (package
-    (name "rust-unicase")
-    (version "2.4.0")
+    (name "rust-term-size")
+    (version "0.3.1")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "unicase" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "term_size" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1xmpmkakhhblq7dzab1kwyv925kv7fqjkjsxjspg6ix9n88makm8"))))
+          (base32
+            "09wk3173ngmb710qs9rwgibq4w250q8lgnwjvb9cypc1vdk9lnwy"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/seanmonstar/unicase")
-    (synopsis "Case-insensitive wrapper around strings")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-clippy" ,rust-clippy)
+         ("rust-kernel32-sys" ,rust-kernel32-sys)
+         ("rust-libc" ,rust-libc)
+         ("rust-winapi-0.2.8" ,rust-winapi-0.2.8))))
+    (home-page
+      "https://github.com/kbknapp/term_size-rs.git")
+    (synopsis
+      "functions for determining terminal sizes and dimensions")
     (description
-     "A case-insensitive wrapper around strings.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "functions for determining terminal sizes and dimensions")
+    (license #f)))
 
-(define-public rust-unicode-width-0.1
+(define-public rust-textwrap
   (package
-    (name "rust-unicode-width")
-    (version "0.1.6")
+    (name "rust-textwrap")
+    (version "0.11.0")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "unicode-width" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "textwrap" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "082f9hv1r3gcd1xl33whjhrm18p0w9i77zhhhkiccb5r47adn1vh"))))
+          (base32
+            "0q5hky03ik3y50s9sz25r438bc4nwhqc6dqwynv4wylc807n29nk"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/unicode-rs/unicode-width")
-    (synopsis "Determine displayed width according to Unicode rules")
-    (description "This crate allows you to determine displayed width of
-@code{char} and @code{str} types according to Unicode Standard Annex #11 rules.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-hyphenation" ,rust-hyphenation)
+         ("rust-term-size-0.3.1" ,rust-term-size-0.3.1)
+         ("rust-unicode-width" ,rust-unicode-width))))
+    (home-page
+      "https://github.com/mgeisler/textwrap")
+    (synopsis
+      "Textwrap is a small library for word wrapping, indenting, and
+dedenting strings.
 
-(define-public rust-unicode-xid-0.2
+You can use it to format strings (such as help and error messages) for
+display in commandline applications. It is designed to be efficient
+and handle Unicode characters correctly.
+")
+    (description
+      "Textwrap is a small library for word wrapping, indenting, and
+dedenting strings.
+
+You can use it to format strings (such as help and error messages) for
+display in commandline applications.  It is designed to be efficient
+and handle Unicode characters correctly.
+")
+    (license license:expat)))
+
+(define-public rust-tokio-io-0.1.12
   (package
-    (name "rust-unicode-xid")
-    (version "0.2.0")
+    (name "rust-tokio-io")
+    (version "0.1.12")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "unicode-xid" version))
+        (uri (crate-uri "tokio-io" version))
         (file-name
           (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0z09fn515xm7zyr0mmdyxa9mx2f7azcpv74pqmg611iralwpcvl2"))))
+          (base32
+            "09jrz1hh4h1vj45qy09y7m7m8jsy1hl6g32clnky25mdim3dp42h"))))
     (build-system cargo-build-system)
-    (home-page
-      "https://github.com/unicode-rs/unicode-xid")
-    (synopsis "Determine Unicode XID related properties")
-    (description "Determine whether characters have the XID_Start
-or XID_Continue properties according to Unicode Standard Annex #31.")
-    (properties '((hidden? . #t)))
-    ;; Dual licensed.
-    (license (list license:asl2.0 license:expat))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-bytes-0.4.12" ,rust-bytes-0.4.12)
+         ("rust-futures-0.1.29" ,rust-futures-0.1.29)
+         ("rust-log" ,rust-log))))
+    (home-page "https://tokio.rs")
+    (synopsis
+      "Core I/O primitives for asynchronous I/O in Rust.
+")
+    (description
+      "Core I/O primitives for asynchronous I/O in Rust.
+")
+    (license license:expat)))
 
-(define-public rust-unicode-xid-0.1
+(define-public rust-toml
   (package
-    (inherit rust-unicode-xid-0.2)
-    (name "rust-unicode-xid")
-    (version "0.1.0")
+    (name "rust-toml")
+    (version "0.5.5")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "unicode-xid" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "toml" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1z57lqh4s18rr4x0j4fw4fmp9hf9346h0kmdgqsqx0fhjr3k0wpw"))))))
+          (base32
+            "1kwqpin2w5fk51yamajdb18s949s80i47yngpwb2pcf88i341l81"))))
+    (build-system cargo-build-system)
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-indexmap" ,rust-indexmap)
+         ("rust-serde" ,rust-serde))))
+    (home-page
+      "https://github.com/alexcrichton/toml-rs")
+    (synopsis
+      "A native Rust encoder and decoder of TOML-formatted files and streams. Provides
+implementations of the standard Serialize/Deserialize traits for TOML data to
+facilitate deserializing and serializing Rust structures.
+")
+    (description
+      "This package provides a native Rust encoder and decoder of TOML-formatted files and streams.  Provides
+implementations of the standard Serialize/Deserialize traits for TOML data to
+facilitate deserializing and serializing Rust structures.
+")
+    (license #f)))
 
-(define-public rust-unindent-0.1
+(define-public rust-typenum
   (package
-    (name "rust-unindent")
-    (version "0.1.5")
+    (name "rust-typenum")
+    (version "1.11.2")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "unindent" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "typenum" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32 "14s97blyqgf9hzxk22iazrghj60midajkw2801dfspz3n2iqmwb3"))))
+          (base32
+            "1ybmfpp7j37zmaw50w35wiwx66lbpr0yp1312c0i333b5pz869vd"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/dtolnay/indoc")
-    (synopsis "Remove a column of leading whitespace from a string")
-    (description "This crate allows you to remove a column of leading
-whitespace from a string.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments `(#:skip-build? #t))
+    (home-page "https://github.com/paholg/typenum")
+    (synopsis
+      "Typenum is a Rust library for type-level numbers evaluated at compile time. It currently supports bits, unsigned integers, and signed integers. It also provides a type-level array of type-level numbers, but its implementation is incomplete.")
+    (description
+      "Typenum is a Rust library for type-level numbers evaluated at compile time.  It currently supports bits, unsigned integers, and signed integers.  It also provides a type-level array of type-level numbers, but its implementation is incomplete.")
+    (license #f)))
 
-(define-public rust-unreachable-1.0
+(define-public rust-unicode-width
   (package
-    (name "rust-unreachable")
-    (version "1.0.0")
+    (name "rust-unicode-width")
+    (version "0.1.7")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "unreachable" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "unicode-width" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0mps2il4xy2mjqc3appas27hhn2xmvixc3bzzhfrjj74gy3i0a1q"))))
+          (base32
+            "0yflmxkxmm89ckrb3sz58whn491aycrj8cxra0hzzlb72x9rvana"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/reem/rust-unreachable")
-    (synopsis "Unreachable code optimization hint in rust")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-compiler-builtins"
+          ,rust-compiler-builtins)
+         ("rust-rustc-std-workspace-core"
+          ,rust-rustc-std-workspace-core)
+         ("rust-rustc-std-workspace-std"
+          ,rust-rustc-std-workspace-std))))
+    (home-page
+      "https://github.com/unicode-rs/unicode-width")
+    (synopsis
+      "Determine displayed width of `char` and `str` types
+according to Unicode Standard Annex #11 rules.
+")
     (description
-     "This package provides an unreachable code optimization hint in rust.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Determine displayed width of `char` and `str` types
+according to Unicode Standard Annex #11 rules.
+")
+    (license #f)))
 
-(define-public rust-unsafe-any-0.4
+(define-public rust-unicode-xid
   (package
-    (name "rust-unsafe-any")
-    (version "0.4.2")
+    (name "rust-unicode-xid")
+    (version "0.2.0")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "unsafe-any" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "unicode-xid" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0zwwphsqkw5qaiqmjwngnfpv9ym85qcsyj7adip9qplzjzbn00zk"))))
+          (base32
+            "0z09fn515xm7zyr0mmdyxa9mx2f7azcpv74pqmg611iralwpcvl2"))))
     (build-system cargo-build-system)
-    (home-page "https://tokio.rs")
-    (synopsis "Traits and implementations for unchecked downcasting")
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/unicode-rs/unicode-xid")
+    (synopsis
+      "Determine whether characters have the XID_Start
+or XID_Continue properties according to
+Unicode Standard Annex #31.
+")
     (description
-     "Traits and implementations for unchecked downcasting.")
-    (properties '((hidden? . #t)))
-    (license license:expat)))
+      "Determine whether characters have the XID_Start
+or XID_Continue properties according to
+Unicode Standard Annex #31.
+")
+    (license (list license:expat license:asl2.0))))
 
-(define-public rust-untrusted-0.7
+(define-public rust-unicode-xid-0.1.0
   (package
-    (name "rust-untrusted")
-    (version "0.7.0")
+    (name "rust-unicode-xid")
+    (version "0.1.0")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "untrusted" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "unicode-xid" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1kmfykcwif6ashkwg54gcnhxj03kpba2i9vc7z5rpr0xlgvrwdk0"))))
+          (base32
+            "1z57lqh4s18rr4x0j4fw4fmp9hf9346h0kmdgqsqx0fhjr3k0wpw"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/briansmith/untrusted")
-    (synopsis "Zero-allocation parsing of untrusted inputs in Rust")
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/unicode-rs/unicode-xid")
+    (synopsis
+      "Determine whether characters have the XID_Start
+or XID_Continue properties according to
+Unicode Standard Annex #31.
+")
     (description
-     "Safe, fast, zero-panic, zero-crashing, zero-allocation parsing of
-untrusted inputs in Rust.")
-    (properties '((hidden? . #t)))
-    (license license:isc)))
+      "Determine whether characters have the XID_Start
+or XID_Continue properties according to
+Unicode Standard Annex #31.
+")
+    (license #f)))
 
-(define-public rust-vcpkg-0.2
+(define-public rust-uuid-0.7.4
   (package
-    (name "rust-vcpkg")
-    (version "0.2.7")
+    (name "rust-uuid")
+    (version "0.7.4")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "vcpkg" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "uuid" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "15dzk1b96q946v9aisbd1bbhi33n93wvgziwh1shmscn1xflbp9k"))))
+          (base32
+            "0ank4xk20x3nrz926w8j9mz53bi3v8bykxmhlq2pffa8xc8wdnwh"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/mcgoo/vcpkg-rs")
-    (synopsis "Find native dependencies in a vcpkg tree at build time")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-byteorder" ,rust-byteorder)
+         ("rust-md5-0.6.1" ,rust-md5-0.6.1)
+         ("rust-rand-0.6.5" ,rust-rand-0.6.5)
+         ("rust-serde" ,rust-serde)
+         ("rust-sha1" ,rust-sha1)
+         ("rust-slog" ,rust-slog)
+         ("rust-winapi" ,rust-winapi))))
+    (home-page "https://github.com/uuid-rs/uuid")
+    (synopsis
+      "A library to generate and parse UUIDs.")
     (description
-     "This package provides a library to find native dependencies in a
-@code{vcpkg} tree at build time in order to be used in Cargo build scripts.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "This package provides a library to generate and parse UUIDs.")
+    (license (list license:asl2.0 license:expat))))
 
-(define-public rust-vec-map-0.8
+(define-public rust-vec-map
   (package
     (name "rust-vec-map")
     (version "0.8.1")
@@ -4309,185 +4845,219 @@  untrusted inputs in Rust.")
       (origin
         (method url-fetch)
         (uri (crate-uri "vec_map" version))
-        (file-name (string-append name "-" version ".crate"))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "06n8hw4hlbcz328a3gbpvmy0ma46vg1lc0r5wf55900szf3qdiq5"))))
+          (base32
+            "06n8hw4hlbcz328a3gbpvmy0ma46vg1lc0r5wf55900szf3qdiq5"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/contain-rs/vec-map")
-    (synopsis "Simple map based on a vector for small integer keys")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-serde" ,rust-serde))))
+    (home-page
+      "https://github.com/contain-rs/vec-map")
+    (synopsis
+      "A simple map based on a vector for small integer keys")
     (description
-     "This package provides a simple map based on a vector for small integer keys.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "This package provides a simple map based on a vector for small integer keys")
+    (license #f)))
 
-(define-public rust-version-check-0.9
+(define-public rust-wasi-0.7.0
   (package
-    (name "rust-version-check")
-    (version "0.9.1")
+    (name "rust-wasi")
+    (version "0.7.0")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "version_check" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "wasi" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1kikqlnggii1rvnxrbls55sc46lxvinz5k3giscgncjj4p87b1q7"))))
+          (base32
+            "03apg3sa4hjn6xwa4pkyvzjiscya51wyrygadgxwdg8lrvj3r75q"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/SergioBenitez/version_check")
-    (synopsis "Check that the installed rustc meets some version requirements")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-compiler-builtins"
+          ,rust-compiler-builtins)
+         ("rust-rustc-std-workspace-alloc"
+          ,rust-rustc-std-workspace-alloc)
+         ("rust-rustc-std-workspace-core"
+          ,rust-rustc-std-workspace-core))))
+    (home-page
+      "https://github.com/bytecodealliance/wasi")
+    (synopsis
+      "Experimental WASI API bindings for Rust")
     (description
-     "This tiny crate checks that the running or installed rustc meets some
-version requirements.  The version is queried by calling the Rust compiler with
-@code{--version}.  The path to the compiler is determined first via the
-@code{RUSTC} environment variable.  If it is not set, then @code{rustc} is used.
-If that fails, no determination is made, and calls return None.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
-
-(define-public rust-version-check-0.1
-  (package
-    (inherit rust-version-check-0.9)
-    (name "rust-version-check")
-    (version "0.1.5")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "version_check" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "1pf91pvj8n6akh7w6j5ypka6aqz08b3qpzgs0ak2kjf4frkiljwi"))))))
+      "Experimental WASI API bindings for Rust")
+    (license (list #f license:expat))))
 
-(define-public rust-void-1.0
+(define-public rust-wasm-bindgen
   (package
-    (name "rust-void")
-    (version "1.0.2")
+    (name "rust-wasm-bindgen")
+    (version "0.2.55")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "void" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "wasm-bindgen" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0zc8f0ksxvmhvgx4fdg0zyn6vdnbxd2xv9hfx4nhzg6kbs4f80ka"))))
+          (base32
+            "1wn5hmiqpw84kc9wd1d1wrjbxwh1ryz1l918k8x6dkds6fpk5bi9"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/reem/rust-void")
-    (synopsis "Void type for use in statically impossible cases")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-cfg-if" ,rust-cfg-if)
+         ("rust-serde" ,rust-serde)
+         ("rust-serde-json" ,rust-serde-json)
+         ("rust-wasm-bindgen-macro"
+          ,rust-wasm-bindgen-macro))))
+    (home-page "https://rustwasm.github.io/")
+    (synopsis
+      "Easy support for interacting between JS and Rust.
+")
     (description
-     "The uninhabited void type for use in statically impossible cases.")
-    (properties '((hidden? . #t)))
-    (license license:expat)))
+      "Easy support for interacting between JS and Rust.
+")
+    (license #f)))
 
-(define-public rust-walkdir-2.2
+(define-public rust-wasm-bindgen-backend
   (package
-    (name "rust-walkdir")
-    (version "2.2.9")
+    (name "rust-wasm-bindgen-backend")
+    (version "0.2.55")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "walkdir" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "wasm-bindgen-backend" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "07ppalpvxkf8cnqr64np422792y4z5bs9m8b4nrflh5rm17wjn4n"))))
+          (base32
+            "11cxn5m5srj4bq06zwr2fw2rm9al8kwdkrp61pf44d2rsd5mhi8q"))))
     (build-system cargo-build-system)
-    (home-page  "https://github.com/BurntSushi/walkdir")
-    (synopsis "Recursively walk a directory")
-    (description "Recursively walk a directory.")
-    (properties '((hidden? . #t)))
-    (license (list license:unlicense
-                   license:expat))))
-
-(define-public rust-wasi-0.5
-  (package
-    (name "rust-wasi")
-    (version "0.5.0")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (crate-uri "wasi" version))
-       (file-name
-        (string-append name "-" version ".crate"))
-       (sha256
-        (base32
-         "1ir3pd4phdfml0cbziw9bqp7mnk0vfp9biy8bh25lln6raml4m7x"))))
-    (build-system cargo-build-system)
-    (home-page "https://github.com/CraneStation/rust-wasi")
-    (synopsis "Experimental WASI API bindings for Rust")
-    (description "This package contains experimental WASI API bindings
-in Rust.")
-    (properties '((hidden? . #t)))
-    (license license:asl2.0)))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-bumpalo" ,rust-bumpalo)
+         ("rust-lazy-static" ,rust-lazy-static)
+         ("rust-log" ,rust-log)
+         ("rust-proc-macro2" ,rust-proc-macro2)
+         ("rust-quote" ,rust-quote)
+         ("rust-syn" ,rust-syn)
+         ("rust-wasm-bindgen-shared"
+          ,rust-wasm-bindgen-shared))))
+    (home-page
+      "https://rustwasm.github.io/wasm-bindgen/")
+    (synopsis
+      "Backend code generation of the wasm-bindgen tool
+")
+    (description
+      "Backend code generation of the wasm-bindgen tool
+")
+    (license #f)))
 
-(define-public rust-wasm-bindgen-shared-0.2
+(define-public rust-wasm-bindgen-macro
   (package
-    (name "rust-wasm-bindgen-shared")
-    (version "0.2.48")
+    (name "rust-wasm-bindgen-macro")
+    (version "0.2.55")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "wasm-bindgen-shared" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "wasm-bindgen-macro" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "08rnfhjyk0f6liv8n4rdsvhx7r02glkhcbj2lp9lcbkbfpad9hnr"))))
+          (base32
+            "1r4zxc52pp44hhind2xxbbncy8jdchs66yll5k996g5pwr3wgz47"))))
     (build-system cargo-build-system)
-    (home-page "https://rustwasm.github.io/wasm-bindgen/")
-    (synopsis "Shared support between wasm-bindgen and wasm-bindgen cli")
-    (description "This package provides shared support between
-@code{wasm-bindgen} and @code{wasm-bindgen} cli, an internal dependency.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-quote" ,rust-quote)
+         ("rust-wasm-bindgen-macro-support"
+          ,rust-wasm-bindgen-macro-support))))
+    (home-page
+      "https://rustwasm.github.io/wasm-bindgen/")
+    (synopsis
+      "Definition of the `#[wasm_bindgen]` attribute, an internal dependency
+")
+    (description
+      "Definition of the `#[wasm_bindgen]` attribute, an internal dependency
+")
+    (license #f)))
 
-(define-public rust-wasm-bindgen-test-macro-0.2
+(define-public rust-wasm-bindgen-macro-support
   (package
-    (name "rust-wasm-bindgen-test-macro")
-    (version "0.2.48")
+    (name "rust-wasm-bindgen-macro-support")
+    (version "0.2.55")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "wasm-bindgen-test-macro" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "wasm-bindgen-macro-support" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0n28mr6vncf1k1qr2b5bvfxq4jvqkjdzq0z0ab6w2f5d6v8q3q3l"))))
+          (base32
+            "0w7m0gn783xgbbzwc5mx7j8wa116yvy94frnbx58r307qkrb7i1x"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/rustwasm/wasm-bindgen")
-    (synopsis "Internal testing macro for wasm-bindgen")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-proc-macro2" ,rust-proc-macro2)
+         ("rust-quote" ,rust-quote)
+         ("rust-syn" ,rust-syn)
+         ("rust-wasm-bindgen-backend"
+          ,rust-wasm-bindgen-backend)
+         ("rust-wasm-bindgen-shared"
+          ,rust-wasm-bindgen-shared))))
+    (home-page
+      "https://rustwasm.github.io/wasm-bindgen/")
+    (synopsis
+      "The part of the implementation of the `#[wasm_bindgen]` attribute that is not in the shared backend crate
+")
     (description
-     "This library contains the internal testing macro for wasm-bindgen.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "The part of the implementation of the `#[wasm_bindgen]` attribute that is not in the shared backend crate
+")
+    (license #f)))
 
-(define-public rust-widestring-0.4
+(define-public rust-wasm-bindgen-shared
   (package
-    (name "rust-widestring")
-    (version "0.4.0")
+    (name "rust-wasm-bindgen-shared")
+    (version "0.2.55")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "widestring" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "wasm-bindgen-shared" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1dhx6dndjsz1y7c9w06922412kdxyrrkqblvggm76mh8z17hxz7g"))))
+          (base32
+            "0gdmid85jr3yy34xfdnz99rwla27g70csj8xbnwqk1dysgb7h2ya"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/starkat99/widestring-rs")
-    (synopsis "Wide string Rust FFI library")
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://rustwasm.github.io/wasm-bindgen/")
+    (synopsis
+      "Shared support between wasm-bindgen and wasm-bindgen cli, an internal
+dependency.
+")
     (description
-     "A wide string Rust FFI library for converting to and from wide strings,
-such as those often used in Windows API or other FFI libraries.  Both UTF-16 and
-UTF-32 types are provided, including support for malformed encoding.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Shared support between wasm-bindgen and wasm-bindgen cli, an internal
+dependency.
+")
+    (license #f)))
 
-(define-public rust-winapi-0.3
+(define-public rust-winapi
   (package
     (name "rust-winapi")
     (version "0.3.8")
@@ -4495,60 +5065,52 @@  UTF-32 types are provided, including support for malformed encoding.")
       (origin
         (method url-fetch)
         (uri (crate-uri "winapi" version))
-        (file-name (string-append name "-" version ".crate"))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1ii9j9lzrhwri0902652awifzx9fpayimbp6hfhhc296xcg0k4w0"))))
+          (base32
+            "1ii9j9lzrhwri0902652awifzx9fpayimbp6hfhhc296xcg0k4w0"))))
     (build-system cargo-build-system)
-    ;; This package depends unconditionally on these two crates.
     (arguments
-     `(#:cargo-inputs
-       (("winapi-i686-pc-windows-gnu" ,rust-winapi-i686-pc-windows-gnu-0.4)
-        ("winapi-x86-64-pc-windows-gnu" ,rust-winapi-x86-64-pc-windows-gnu-0.4))))
-    (home-page "https://github.com/retep998/winapi-rs")
-    (synopsis "Raw FFI bindings for all of Windows API.")
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-winapi-i686-pc-windows-gnu"
+          ,rust-winapi-i686-pc-windows-gnu)
+         ("rust-winapi-x86-64-pc-windows-gnu"
+          ,rust-winapi-x86-64-pc-windows-gnu))))
+    (home-page
+      "https://github.com/retep998/winapi-rs")
+    (synopsis
+      "Raw FFI bindings for all of Windows API.")
     (description
-     "Raw FFI bindings for all of Windows API.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "Raw FFI bindings for all of Windows API.")
+    (license #f)))
 
-(define-public rust-winapi-0.2
+(define-public rust-winapi-0.2.8
   (package
-    (inherit rust-winapi-0.3)
     (name "rust-winapi")
     (version "0.2.8")
     (source
       (origin
         (method url-fetch)
         (uri (crate-uri "winapi" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "0yh816lh6lf56dpsgxy189c2ai1z3j8mw9si6izqb6wsjkbcjz8n"))))
-    (arguments '())))
-
-(define-public rust-winapi-build-0.1
-  (package
-    (name "rust-winapi-build")
-    (version "0.1.1")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "winapi-build" version))
-        (file-name (string-append name "-" version ".crate"))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1g4rqsgjky0a7530qajn2bbfcrl2v0zb39idgdws9b1l7gp5wc9d"))))
+          (base32
+            "0yh816lh6lf56dpsgxy189c2ai1z3j8mw9si6izqb6wsjkbcjz8n"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/retep998/winapi-rs")
-    (synopsis "Common code for build.rs in WinAPI -sys crates")
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/retep998/winapi-rs")
+    (synopsis
+      "Raw FFI bindings for all of Windows API.")
     (description
-     "Common code for build.rs in WinAPI -sys crates.")
-    (properties '((hidden? . #t)))
+      "Raw FFI bindings for all of Windows API.")
     (license license:expat)))
 
-(define-public rust-winapi-i686-pc-windows-gnu-0.4
+(define-public rust-winapi-i686-pc-windows-gnu
   (package
     (name "rust-winapi-i686-pc-windows-gnu")
     (version "0.4.0")
@@ -4556,166 +5118,93 @@  UTF-32 types are provided, including support for malformed encoding.")
       (origin
         (method url-fetch)
         (uri (crate-uri "winapi-i686-pc-windows-gnu" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "1dmpa6mvcvzz16zg6d5vrfy4bxgg541wxrcip7cnshi06v38ffxc"))))
-    (build-system cargo-build-system)
-    (home-page "https://github.com/retep998/winapi-rs")
-    (synopsis "Import libraries for the i686-pc-windows-gnu target")
-    (description "This crate provides import libraries for the
-i686-pc-windows-gnu target.  Please don't use this crate directly, depend on
-@code{winapi} instead.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
-
-(define-public rust-winapi-util-0.1
-  (package
-    (name "rust-winapi-util")
-    (version "0.1.2")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "winapi-util" version))
-        (file-name (string-append name "-" version ".crate"))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1j839dc6y8vszvrsb7yk0qvs0w6asnahxzbyans37vnsw6vbls3i"))))
+          (base32
+            "1dmpa6mvcvzz16zg6d5vrfy4bxgg541wxrcip7cnshi06v38ffxc"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/BurntSushi/winapi-util")
-    (synopsis "Dumping ground for high level safe wrappers over winapi")
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/retep998/winapi-rs")
+    (synopsis
+      "Import libraries for the i686-pc-windows-gnu target. Please don't use this crate directly, depend on winapi instead.")
     (description
-     "This package provides a dumping ground for high level safe wrappers over
-winapi.")
-    (properties '((hidden? . #t)))
-    (license (list license:unlicense
-                   license:expat))))
+      "Import libraries for the i686-pc-windows-gnu target.  Please don't use this crate directly, depend on winapi instead.")
+    (license #f)))
 
-(define-public rust-winapi-x86-64-pc-windows-gnu-0.4
+(define-public rust-winapi-x86-64-pc-windows-gnu
   (package
     (name "rust-winapi-x86-64-pc-windows-gnu")
     (version "0.4.0")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "winapi-x86_64-pc-windows-gnu" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "0gqq64czqb64kskjryj8isp62m2sgvx25yyj3kpc2myh85w24bki"))))
-    (build-system cargo-build-system)
-    (home-page "https://github.com/retep998/winapi-rs")
-    (synopsis "Import libraries for the x86_64-pc-windows-gnu target")
-    (description "This package provides import libraries for the
-x86_64-pc-windows-gnu target.  Please don't use this crate directly, depend on
-@code{winapi} instead.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
-
-(define-public rust-wincolor-1.0
-  (package
-    (name "rust-wincolor")
-    (version "1.0.2")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "wincolor" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "1agaf3hcav113i86912ajnw6jxcy4rvkrgyf8gdj8kc031mh3xcn"))))
-    (build-system cargo-build-system)
-    (home-page "https://github.com/BurntSushi/termcolor/tree/master/wincolor")
-    (synopsis "Windows API for controlling text color in a Windows console")
-    (description
-     "This package provides a simple Windows specific API for controlling text
-color in a Windows console.")
-    (properties '((hidden? . #t)))
-    (license (list license:unlicense
-                   license:expat))))
-
-(define-public rust-winutil-0.1
-  (package
-    (name "rust-winutil")
-    (version "0.1.1")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "winutil" version))
-        (file-name (string-append name "-" version ".crate"))
-        (sha256
-         (base32
-          "0vkyl3fbbf05n5ph5yz8sfaccrk9x3qsr25560w6w68ldf5i7bvx"))))
-    (build-system cargo-build-system)
-    (home-page "https://bitbucket.org/DaveLancaster/winutil")
-    (synopsis "Library wrapping a handful of useful winapi functions")
-    (description
-     "A simple library wrapping a handful of useful winapi functions.")
-    (properties '((hidden? . #t)))
-    (license license:expat)))
-
-(define-public rust-ws2-32-sys-0.2
-  (package
-    (name "rust-ws2-32-sys")
-    (version "0.2.1")
-    (source
-      (origin
-        (method url-fetch)
-        (uri (crate-uri "ws2_32-sys" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri
+               "winapi-x86_64-pc-windows-gnu"
+               version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0ppscg5qfqaw0gzwv2a4nhn5bn01ff9iwn6ysqnzm4n8s3myz76m"))))
+          (base32
+            "0gqq64czqb64kskjryj8isp62m2sgvx25yyj3kpc2myh85w24bki"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/retep998/winapi-rs")
-    (synopsis "Function definitions for the Windows API library ws2_32")
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/retep998/winapi-rs")
+    (synopsis
+      "Import libraries for the x86_64-pc-windows-gnu target. Please don't use this crate directly, depend on winapi instead.")
     (description
-     "Contains function definitions for the Windows API library ws2_32.")
-    (properties '((hidden? . #t)))
-    (license license:expat)))
+      "Import libraries for the x86_64-pc-windows-gnu target.  Please don't use this crate directly, depend on winapi instead.")
+    (license #f)))
 
-(define-public rust-xattr-0.2
+(define-public rust-xdg
   (package
-    (name "rust-xattr")
-    (version "0.2.2")
+    (name "rust-xdg")
+    (version "2.2.0")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "xattr" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "xdg" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0k556fb6f5jc907975j9c8iynl2fqz3rf0w6fiig83i4yi0kfk14"))))
+          (base32
+            "0mws8a0fr3cqk5nh7aq9lmkmhzghvasqy4mhw6nnza06l4d6i2fh"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/Stebalien/xattr")
-    (synopsis "Unix extended filesystem attributes")
+    (arguments `(#:skip-build? #t))
+    (home-page
+      "https://github.com/whitequark/rust-xdg")
+    (synopsis
+      "A library for storing and retrieving files according to XDG Base Directory specification")
     (description
-     "This package provide a small library for setting, getting, and listing
-extended attributes.")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "This package provides a library for storing and retrieving files according to XDG Base Directory specification")
+    (license #f)))
 
-(define-public rust-xdg-2.2
+(define-public rust-yaml-rust-0.3.5
   (package
-    (name "rust-xdg")
-    (version "2.2.0")
+    (name "rust-yaml-rust")
+    (version "0.3.5")
     (source
       (origin
         (method url-fetch)
-        (uri (crate-uri "xdg" version))
-        (file-name (string-append name "-" version ".crate"))
+        (uri (crate-uri "yaml-rust" version))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "0mws8a0fr3cqk5nh7aq9lmkmhzghvasqy4mhw6nnza06l4d6i2fh"))))
+          (base32
+            "14m9dzwb8fb05f4jjb4nqp49rxd9c5vcmwpv3a04d2y5iphncqz6"))))
     (build-system cargo-build-system)
-    (home-page "https://github.com/whitequark/rust-xdg")
-    (synopsis "Store and retrieve files according to XDG specification")
+    (arguments
+      `(#:skip-build?
+        #t
+        #:cargo-inputs
+        (("rust-clippy" ,rust-clippy)
+         ("rust-linked-hash-map-0.3.0"
+          ,rust-linked-hash-map-0.3.0))))
+    (home-page
+      "http://chyh1990.github.io/yaml-rust/")
+    (synopsis "The missing YAML 1.2 parser for rust")
     (description
-     "This package provides a library for storing and retrieving files according
-to XDG Base Directory specification")
-    (properties '((hidden? . #t)))
-    (license (list license:asl2.0
-                   license:expat))))
+      "The missing YAML 1.2 parser for rust")
+    (license #f)))
diff --git a/gnu/packages/rust-cbindgen.scm b/gnu/packages/rust-cbindgen.scm
index 2590af913f..db73e2fd77 100644
--- a/gnu/packages/rust-cbindgen.scm
+++ b/gnu/packages/rust-cbindgen.scm
@@ -26,62 +26,31 @@ 
 (define-public rust-cbindgen
   (package
     (name "rust-cbindgen")
-    (version "0.9.1")
+    (version "0.11.0")
     (source
       (origin
         (method url-fetch)
         (uri (crate-uri "cbindgen" version))
-        (file-name (string-append name "-" version ".crate"))
+        (file-name
+          (string-append name "-" version ".crate"))
         (sha256
-         (base32
-          "1zgamxahlxmg4warzivaa8m1f8d6b45mhznm7n6d7p5l18acdblx"))))
+          (base32
+            "19qap91rzckj657p9s9f0j4hjd9ipf1s3ydrz4gag8y1rv9gq4fk"))))
     (build-system cargo-build-system)
     (arguments
-     `(#:cargo-inputs
-       (("clap" ,rust-clap-2)
-        ("log" ,rust-log-0.4)
-        ("proc-macro2" ,rust-proc-macro2-1.0)
-        ("quote" ,rust-quote-1.0)
-        ("serde" ,rust-serde-1.0)
-        ("serde-json" ,rust-serde-json-1.0)
-        ("syn" ,rust-syn-1.0)
-        ("tempfile" ,rust-tempfile-3.0)
-        ("toml" ,rust-toml-0.5))
-       #:cargo-development-inputs
-       (("ansi-term" ,rust-ansi-term-0.11)
-        ("atty" ,rust-atty-0.2)
-        ("autocfg" ,rust-autocfg-0.1)
-        ("bitflags" ,rust-bitflags-1)
-        ("cfg-if" ,rust-cfg-if-0.1)
-        ("cloudabi" ,rust-cloudabi-0.0)
-        ("fuchsia-cprng" ,rust-fuchsia-cprng-0.1)
-        ("itoa" ,rust-itoa-0.4)
-        ("libc" ,rust-libc-0.2)
-        ("numtoa" ,rust-numtoa-0.1)
-        ("rand" ,rust-rand-0.6)
-        ("rand-chacha" ,rust-rand-chacha-0.1)
-        ("rand-core" ,rust-rand-core-0.3)
-        ("rand-hc" ,rust-rand-hc-0.1)
-        ("rand-isaac" ,rust-rand-isaac-0.1)
-        ("rand-jitter" ,rust-rand-jitter-0.1)
-        ("rand-os" ,rust-rand-os-0.1)
-        ("rand-pcg" ,rust-rand-pcg-0.1)
-        ("rand-xorshift" ,rust-rand-xorshift-0.1)
-        ("rdrand" ,rust-rdrand-0.4)
-        ("redox-syscall" ,rust-redox-syscall-0.1)
-        ("redox-termios" ,rust-redox-termios-0.1)
-        ("remove-dir-all" ,rust-remove-dir-all-0.5)
-        ("ryu" ,rust-ryu-1.0)
-        ("serde-derive" ,rust-serde-derive-1.0)
-        ("strsim" ,rust-strsim-0.8)
-        ("termion" ,rust-termion-1.5)
-        ("textwrap" ,rust-textwrap-0.11)
-        ("unicode-width" ,rust-unicode-width-0.1)
-        ("unicode-xid" ,rust-unicode-xid-0.2)
-        ("vec-map" ,rust-vec-map-0.8)
-        ("winapi" ,rust-winapi-0.3))))
+      `(#:cargo-inputs
+        (("rust-clap" ,rust-clap)
+         ("rust-log" ,rust-log)
+         ("rust-proc-macro2" ,rust-proc-macro2)
+         ("rust-quote" ,rust-quote)
+         ("rust-serde" ,rust-serde)
+         ("rust-serde-json" ,rust-serde-json)
+         ("rust-syn" ,rust-syn)
+         ("rust-tempfile" ,rust-tempfile)
+         ("rust-toml" ,rust-toml))))
     (home-page "https://github.com/eqrion/cbindgen/")
-    (synopsis "Tool for generating C bindings to Rust code")
+    (synopsis
+      "A tool for generating C bindings to Rust code.")
     (description
-     "This package provides a tool for generating C/C++ bindings to Rust code.")
+      "This package provides a tool for generating C bindings to Rust code.")
     (license license:mpl2.0)))