[bug#52149] [PATCH] core-updates-frozen: Update `rustc` to version 1.56.1 (from 1.54.0)

[Parenthesis via Guix-patches via <guix-patches@gnu.org>]

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On Fri, Dec 24 2021 at 01:05:11 -0500, Maxim Cournoyer 
<maxim.cournoyer@gmail.com> wrote:
> Hello!
> 
> "(unmatched-parenthesis" <paren@disroot.org 
> <mailto:paren@disroot.org>> writes:
> 
>>  This amended email adds a copyright notice to crates-io.scm.
>> 
>>  ---
>>   gnu/packages/crates-io.scm | 314 
>> +++++++++++++++++++++++++++++++++++--
>>   gnu/packages/rust.scm      |  11 +-
>>   2 files changed, 308 insertions(+), 17 deletions(-)
>>   mode change 100644 => 100755 gnu/packages/rust.scm
>> 
>>  diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
>>  index b8c4c7bd39..cf77cb2b53 100644
>>  --- a/gnu/packages/crates-io.scm
>>  +++ b/gnu/packages/crates-io.scm
>>  @@ -22,6 +22,7 @@
>>   ;;; Copyright © 2021 Petr Hodina <phodina@protonmail.com 
>> <mailto:phodina@protonmail.com>>
>>   ;;; Copyright © 2021 Ricardo Wurmus <rekado@elephly.net 
>> <mailto:rekado@elephly.net>>
>>   ;;; Copyright © 2021 Jacob Hrbek <kreyren@rixotstudio.cz 
>> <mailto:kreyren@rixotstudio.cz>>
>>  +;;; Copyright © 2021 (unmatched parenthesis <paren@disroot.org 
>> <mailto:paren@disroot.org>>
>>   ;;;
>>   ;;; This file is part of GNU Guix.
>>   ;;;
>>  @@ -8134,6 +8135,96 @@ (define-public rust-caps-0.3
>>           ("rust-error-chain" ,rust-error-chain-0.12)
>>           ("rust-libc" ,rust-libc-0.2))))))
>> 
>>  +(define-public rust-cargo-0.57
>>  +  (package
>>  +    (name "rust-cargo")
>>  +    (version "0.57.0")
>>  +    (source
>>  +     (origin
>>  +       (method url-fetch)
>>  +       (uri (crate-uri "cargo" version))
>>  +       (file-name
>>  +        (string-append name "-" version ".tar.gz"))
>>  +       (sha256
>>  +        (base32
>>  +         "0nw73wf2f2024qya0lgm6c7wy0vrqd521k2kwzr63gy33fnvk7ai"))))
>>  +    (build-system cargo-build-system)
>>  +    (arguments
>>  +     `(;; The test suite is disabled as the internal 
>> 'cargo-test-macro' and
>>  +       ;; 'cargo-test-support' crates are not included in the 
>> release.
>>  +       #:tests? #f
>>  +       #:cargo-inputs
>>  +       (("rust-anyhow" ,rust-anyhow-1)
>>  +        ("rust-atty" ,rust-atty-0.2)
>>  +        ("rust-bytesize" ,rust-bytesize-1)
>>  +        ("rust-cargo-platform" ,rust-cargo-platform-0.1)
>>  +        ("rust-cargo-util" ,rust-cargo-util-0.1)
>>  +        ("rust-clap" ,rust-clap-2)
>>  +        ("rust-core-foundation" ,rust-core-foundation-0.9)
>>  +        ("rust-crates-io" ,rust-crates-io-0.33)
>>  +        ("rust-crossbeam-utils" ,rust-crossbeam-utils-0.8)
>>  +        ("rust-crypto-hash" ,rust-crypto-hash-0.3)
>>  +        ("rust-curl" ,rust-curl-0.4)
>>  +        ("rust-curl-sys" ,rust-curl-sys-0.4)
>>  +        ("rust-env-logger" ,rust-env-logger-0.9)
>>  +        ("rust-filetime" ,rust-filetime-0.2)
>>  +        ("rust-flate2" ,rust-flate2-1)
>>  +        ("rust-flate2" ,rust-flate2-1)
>>  +        ("rust-fwdansi" ,rust-fwdansi-1)
>>  +        ("rust-git2" ,rust-git2-0.13)
>>  +        ("rust-git2-curl" ,rust-git2-curl-0.14)
>>  +        ("rust-glob" ,rust-glob-0.3)
>>  +        ("rust-hex" ,rust-hex-0.4)
>>  +        ("rust-home" ,rust-home-0.5)
>>  +        ("rust-humantime" ,rust-humantime-2)
>>  +        ("rust-ignore" ,rust-ignore-0.4)
>>  +        ("rust-im-rc" ,rust-im-rc-15)
>>  +        ("rust-itertools" ,rust-itertools-0.10)
>>  +        ("rust-jobserver" ,rust-jobserver-0.1)
>>  +        ("rust-lazy-static" ,rust-lazy-static-1)
>>  +        ("rust-lazycell" ,rust-lazycell-1)
>>  +        ("rust-libc" ,rust-libc-0.2)
>>  +        ("rust-libgit2-sys" ,rust-libgit2-sys-0.12)
>>  +        ("rust-log" ,rust-log-0.4)
>>  +        ("rust-memchr" ,rust-memchr-2)
>>  +        ("rust-miow" ,rust-miow-0.3)
>>  +        ("rust-num-cpus" ,rust-num-cpus-1)
>>  +        ("rust-opener" ,rust-opener-0.5)
>>  +        ("rust-openssl" ,rust-openssl-0.10)
>>  +        ("rust-percent-encoding" ,rust-percent-encoding-2)
>>  +        ("rust-pretty-env-logger" ,rust-pretty-env-logger-0.4)
>>  +        ("rust-rand" ,rust-rand-0.8)
>>  +        ("rust-rustc-workspace-hack" ,rust-rustc-workspace-hack-1)
>>  +        ("rust-rustfix" ,rust-rustfix-0.6)
>>  +        ("rust-same-file" ,rust-same-file-1)
>>  +        ("rust-semver" ,rust-semver-1)
>>  +        ("rust-serde" ,rust-serde-1)
>>  +        ("rust-serde-ignored" ,rust-serde-ignored-0.1)
>>  +        ("rust-serde-json" ,rust-serde-json-1)
>>  +        ("rust-shell-escape" ,rust-shell-escape-0.1)
>>  +        ("rust-strip-ansi-escapes" ,rust-strip-ansi-escapes-0.1)
>>  +        ("rust-tar" ,rust-tar-0.4)
>>  +        ("rust-tempfile" ,rust-tempfile-3)
>>  +        ("rust-termcolor" ,rust-termcolor-1)
>>  +        ("rust-toml" ,rust-toml-0.5)
>>  +        ("rust-unicode-width" ,rust-unicode-width-0.1)
>>  +        ("rust-unicode-xid" ,rust-unicode-xid-0.2)
>>  +        ("rust-url" ,rust-url-2)
>>  +        ("rust-walkdir" ,rust-walkdir-2)
>>  +        ("rust-winapi" ,rust-winapi-0.3))))
>>  +    (native-inputs
>>  +     `(("pkg-config" ,pkg-config)))
>>  +    (inputs
>>  +     `(("curl" ,curl)
>>  +       ("libssh2" ,libssh2)
>>  +       ("openssl" ,openssl)
>>  +       ("zlib" ,zlib)))
>>  +    (home-page "https://crates.io <https://crates.io/>")
>>  +    (synopsis "Package manager for Rust")
>>  +    (description "Cargo, a package manager for Rust.  This package 
>> provides
>>  +the library crate of Cargo.")
>>  +    (license (list license:expat license:asl2.0))))
>>  +
>>   (define-public rust-cargo-0.53
>>     (package
>>       (name "rust-cargo")
>>  @@ -8201,7 +8292,6 @@ (define-public rust-cargo-0.53
>>           ("rust-shell-escape" ,rust-shell-escape-0.1)
>>           ("rust-strip-ansi-escapes" ,rust-strip-ansi-escapes-0.1)
>>           ("rust-tar" ,rust-tar-0.4)
>>  -        ("rust-tar" ,rust-tar-0.4)
>>           ("rust-tempfile" ,rust-tempfile-3)
>>           ("rust-termcolor" ,rust-termcolor-1)
>>           ("rust-toml" ,rust-toml-0.5)
>>  @@ -8309,7 +8399,7 @@ (define-public rust-cargo-metadata-0.6
>>   (define-public rust-cargo-platform-0.1
>>     (package
>>       (name "rust-cargo-platform")
>>  -    (version "0.1.1")
>>  +    (version "0.1.2")
>>       (source
>>        (origin
>>          (method url-fetch)
>>  @@ -8318,7 +8408,7 @@ (define-public rust-cargo-platform-0.1
>>           (string-append name "-" version ".tar.gz"))
>>          (sha256
>>           (base32
>>  -         "1mzi60pf0z83qkzqp7jwd61xnqz2b5ydsj7rnnikbgyicd5989h2"))))
>>  +         "09zsf76b9yr02jh17xq925xp1w824w2bwvb78fd0gpx5m1fq5nyb"))))
>>       (build-system cargo-build-system)
>>       (arguments
>>        `(#:cargo-inputs
>>  @@ -8329,6 +8419,39 @@ (define-public rust-cargo-platform-0.1
>>   supported by Cargo.")
>>       (license (list license:expat license:asl2.0))))
>> 
>>  +(define-public rust-cargo-util-0.1
>>  +  (package
>>  +    (name "rust-cargo-util")
>>  +    (version "0.1.1")
>>  +    (source
>>  +      (origin
>>  +        (method url-fetch)
>>  +        (uri (crate-uri "cargo-util" version))
>>  +        (file-name (string-append name "-" version ".tar.gz"))
>>  +        (sha256
>>  +          (base32 
>> "1szsqx6n9lvvpfnppw9xiah0d5mg8x80i5s17kv25q6lg8zn7gzj"))))
>>  +    (build-system cargo-build-system)
>>  +    (arguments
>>  +      `(#:cargo-inputs
>>  +        (("rust-anyhow" ,rust-anyhow-1)
>>  +         ("rust-core-foundation" ,rust-core-foundation-0.9)
>>  +         ("rust-crypto-hash" ,rust-crypto-hash-0.3)
>>  +         ("rust-filetime" ,rust-filetime-0.2)
>>  +         ("rust-hex" ,rust-hex-0.4)
>>  +         ("rust-jobserver" ,rust-jobserver-0.1)
>>  +         ("rust-libc" ,rust-libc-0.2)
>>  +         ("rust-log" ,rust-log-0.4)
>>  +         ("rust-miow" ,rust-miow-0.3)
>>  +         ("rust-same-file" ,rust-same-file-1)
>>  +         ("rust-shell-escape" ,rust-shell-escape-0.1)
>>  +         ("rust-tempfile" ,rust-tempfile-3)
>>  +         ("rust-walkdir" ,rust-walkdir-2)
>>  +         ("rust-winapi" ,rust-winapi-0.3))))
>>  +    (home-page "<https://github.com/rust-lang/cargo>")
>>  +    (synopsis "Miscellaneous support code used by Cargo.")
>>  +    (description "Miscellaneous support code used by Cargo.")
>>  +    (license (list license:expat license:asl2.0))))
>>  +
>>   (define-public rust-cargon-0.0
>>     (package
>>       (name "rust-cargon")
>>  @@ -12857,14 +12980,14 @@ (define-public rust-cty-0.2
>>   (define-public rust-curl-0.4
>>     (package
>>       (name "rust-curl")
>>  -    (version "0.4.34")
>>  +    (version "0.4.41")
>>       (source
>>        (origin
>>          (method url-fetch)
>>          (uri (crate-uri "curl" version))
>>          (file-name (string-append name "-" version ".tar.gz"))
>>          (sha256
>>  -        (base32 
>> "0vkm6fyizf8m9yxpv3n5pm9ag3bwlyqa6nz2ga8qkzm5y4m1cs72"))))
>>  +        (base32 
>> "1qqbrvgbnzik4vlni25jwsk3ff57snmbp0zvdzdzhq9jaqrx5ihv"))))
>>       (build-system cargo-build-system)
>>       (arguments
>>        `(#:tests? #false                  ;require internet access
>>  @@ -12874,7 +12997,7 @@ (define-public rust-curl-0.4
>>           ("rust-openssl-probe" ,rust-openssl-probe-0.1)
>>           ("rust-openssl-sys" ,rust-openssl-sys-0.9)
>>           ("rust-schannel" ,rust-schannel-0.1)
>>  -        ("rust-socket2" ,rust-socket2-0.3)
>>  +        ("rust-socket2" ,rust-socket2-0.4)
>>           ("rust-winapi" ,rust-winapi-0.3))
>>          #:cargo-development-inputs
>>          (("rust-anyhow" ,rust-anyhow-1)
>>  @@ -12897,7 +13020,7 @@ (define-public rust-curl-0.4
>>   (define-public rust-curl-sys-0.4
>>     (package
>>       (name "rust-curl-sys")
>>  -    (version "0.4.39+curl-7.74.0")
>>  +    (version "0.4.51+curl-7.80.0")
>>       (source
>>         (origin
>>           (method url-fetch)
>>  @@ -12905,7 +13028,7 @@ (define-public rust-curl-sys-0.4
>>           (file-name (string-append name "-" version ".tar.gz"))
>>           (sha256
>>            (base32
>>  -          "0x7qhq7c3b1vmp3740yiigzm09qvkzpdf578jjrs0s3v3s3cxa07"))
>>  +          "085gwlfq15fxp0zvx14sf3k91ka8z8i30271i44gwd3ad9z9hc6i"))
>>           (modules '((guix build utils)))
>>           (snippet
>>            '(begin (delete-file-recursively "curl") #t))))
>>  @@ -15756,6 +15879,31 @@ (define-public rust-duct-0.13
>>        "A library for running child processes.")
>>       (license license:expat)))
>> 
>>  +(define-public rust-duct-0.9
>>  +  (package
>>  +    (name "rust-duct")
>>  +    (version "0.9.2")
>>  +    (source
>>  +      (origin
>>  +        (method url-fetch)
>>  +        (uri (crate-uri "duct" version))
>>  +        (file-name (string-append name "-" version ".tar.gz"))
>>  +        (sha256
>>  +          (base32 
>> "17al305wq9qw54c1idlnjpvwyq37kd1g76z427vgfx0fyiwksmcc"))))
>>  +    (build-system cargo-build-system)
>>  +    (arguments
>>  +      `(#:cargo-inputs
>>  +        (("rust-lazycell" ,rust-lazycell-0.5)
>>  +         ("rust-libc" ,rust-libc-0.2)
>>  +         ("rust-os-pipe" ,rust-os-pipe-0.6)
>>  +         ("rust-shared-child" ,rust-shared-child-0.3))
>>  +        #:cargo-development-inputs
>>  +        (("rust-tempdir" ,rust-tempdir-0.3))))
>>  +    (home-page "<https://github.com/oconnor663/duct.rs>")
>>  +    (synopsis "a library for running child processes")
>>  +    (description "a library for running child processes")
>>  +    (license license:expat)))
>>  +
>>   (define-public rust-dunce-1
>>     (package
>>       (name "rust-dunce")
>>  @@ -16807,6 +16955,36 @@ (define-public rust-enumflags2-derive-0.6
>>       (description "Enumflags2 implements the classic bitflags 
>> datastructure.")
>>       (license (list license:expat license:asl2.0))))
>> 
>>  +(define-public rust-env-logger-0.9
>>  +  (package
>>  +    (name "rust-env-logger")
>>  +    (version "0.9.0")
>>  +    (source
>>  +      (origin
>>  +        (method url-fetch)
>>  +        (uri (crate-uri "env_logger" version))
>>  +        (file-name (string-append name "-" version ".tar.gz"))
>>  +        (sha256
>>  +          (base32 
>> "1hzr53r0wga51j0w5zid69ylbfizg4qdbq0vqdj6rvki94sg0b0b"))))
>>  +    (build-system cargo-build-system)
>>  +    (arguments
>>  +      `(#:cargo-inputs
>>  +        (("rust-atty" ,rust-atty-0.2)
>>  +         ("rust-humantime" ,rust-humantime-2)
>>  +         ("rust-log" ,rust-log-0.4)
>>  +         ("rust-regex" ,rust-regex-1)
>>  +         ("rust-termcolor" ,rust-termcolor-1))))
>>  +    (home-page "<https://github.com/env-logger-rs/env_logger/>")
>>  +    (synopsis
>>  +      "A logging implementation for `log` which is configured via 
>> an environment
>>  +variable.
>>  +")
>>  +    (description
>>  +      "This package provides a logging implementation for `log` 
>> which is configured via an environment
>>  +variable.
>>  +")
>>  +    (license (list license:expat license:asl2.0))))
>>  +
>>   (define-public rust-env-logger-0.8
>>     (package
>>       (name "rust-env-logger")
>>  @@ -25063,14 +25241,14 @@ (define-public rust-iso8601-0.1
>>   (define-public rust-itertools-0.10
>>     (package
>>       (name "rust-itertools")
>>  -    (version "0.10.0")
>>  +    (version "0.10.1")
>>       (source
>>        (origin
>>          (method url-fetch)
>>          (uri (crate-uri "itertools" version))
>>          (file-name (string-append name "-" version ".tar.gz"))
>>          (sha256
>>  -        (base32 
>> "06dkghwi1a6ah2103gibxnr2ys762m5x4rp75x0q43imis8p5m9p"))))
>>  +        (base32 
>> "1bsyxnm20x05rwc5qskrqy4cfswrcadzlwc26dkqml6hz64vipb9"))))
>>       (build-system cargo-build-system)
>>       (arguments
>>        `(#:skip-build? #t
>>  @@ -25530,7 +25708,7 @@ (define-public rust-jni-sys-0.3
>>   (define-public rust-jobserver-0.1
>>     (package
>>       (name "rust-jobserver")
>>  -    (version "0.1.22")
>>  +    (version "0.1.24")
>>       (source
>>        (origin
>>          (method url-fetch)
>>  @@ -25539,7 +25717,7 @@ (define-public rust-jobserver-0.1
>>           (string-append name "-" version ".tar.gz"))
>>          (sha256
>>           (base32
>>  -         "1zg7p4khibisbvd8b1lqvvni6lr00g49d4bq2zj6m76bs7jmlbwp"))))
>>  +         "1yn1vxbbqv7dqir6qbfcj8h8ddjf89m5mhvm36h13xx7k5raf9dg"))))
>>       (build-system cargo-build-system)
>>       (arguments
>>        `(#:cargo-inputs
>>  @@ -34079,6 +34257,28 @@ (define-public rust-open-1
>>   the system.")
>>       (license license:expat)))
>> 
>>  +(define-public rust-opener-0.5
>>  +  (package
>>  +    (name "rust-opener")
>>  +    (version "0.5.0")
>>  +    (source
>>  +      (origin
>>  +        (method url-fetch)
>>  +        (uri (crate-uri "opener" version))
>>  +        (file-name (string-append name "-" version ".tar.gz"))
>>  +        (sha256
>>  +          (base32 
>> "0lkrn4fv1h4m8gmp7ll6x7vjvb6kls2ngwa5cgsh2ix5fb6yp8sf"))))
>>  +    (build-system cargo-build-system)
>>  +    (arguments
>>  +      `(#:cargo-inputs
>>  +        (("rust-bstr" ,rust-bstr-0.2) ("rust-winapi" 
>> ,rust-winapi-0.3))
>>  +        #:cargo-development-inputs
>>  +        (("rust-version-sync" ,rust-version-sync-0.9))))
>>  +    (home-page "<https://github.com/Seeker14491/opener>")
>>  +    (synopsis "Open a file or link using the system default 
>> program.")
>>  +    (description "Open a file or link using the system default 
>> program.")
>>  +    (license (list license:expat license:asl2.0))))
>>  +
>>   (define-public rust-opener-0.4
>>     (package
>>       (name "rust-opener")
>>  @@ -44267,6 +44467,36 @@ (define-public rust-rustdoc-stripper-0.1
>>        "This package provides a tool to manipulate rustdoc 
>> comments.")
>>       (license license:asl2.0)))
>> 
>>  +(define-public rust-rustfix-0.6
>>  +  (package
>>  +    (name "rust-rustfix")
>>  +    (version "0.6.0")
>>  +    (source
>>  +      (origin
>>  +        (method url-fetch)
>>  +        (uri (crate-uri "rustfix" version))
>>  +        (file-name (string-append name "-" version ".tar.gz"))
>>  +        (sha256
>>  +          (base32 
>> "0apkjxv3z70vhnyz2kpwsivvndk6qk7kkp0rf7sg8pk7q1gy02vg"))))
>>  +    (build-system cargo-build-system)
>>  +    (arguments
>>  +      `(#:cargo-inputs
>>  +        (("rust-anyhow" ,rust-anyhow-1)
>>  +         ("rust-log" ,rust-log-0.4)
>>  +         ("rust-serde" ,rust-serde-1)
>>  +         ("rust-serde-json" ,rust-serde-json-1))
>>  +        #:cargo-development-inputs
>>  +        (("rust-duct" ,rust-duct-0.9)
>>  +         ("rust-env-logger" ,rust-env-logger-0.5)
>>  +         ("rust-log" ,rust-log-0.4)
>>  +         ("rust-proptest" ,rust-proptest-0.7)
>>  +         ("rust-similar" ,rust-similar-0.4)
>>  +         ("rust-tempdir" ,rust-tempdir-0.3))))
>>  +    (home-page "<https://github.com/rust-lang-nursery/rustfix>")
>>  +    (synopsis "Automatically apply the suggestions made by rustc")
>>  +    (description "Automatically apply the suggestions made by 
>> rustc")
>>  +    (license (list license:asl2.0 license:expat))))
>>  +
>>   (define-public rust-rustfix-0.5
>>     (package
>>       (name "rust-rustfix")
>>  @@ -48793,6 +49023,28 @@ (define-public rust-similar-1
>>       (description "This package provides a diff library for Rust.")
>>       (license license:asl2.0)))
>> 
>>  +(define-public rust-similar-0.4
>>  +  (package
>>  +    (name "rust-similar")
>>  +    (version "0.4.0")
>>  +    (source
>>  +      (origin
>>  +        (method url-fetch)
>>  +        (uri (crate-uri "similar" version))
>>  +        (file-name (string-append name "-" version ".tar.gz"))
>>  +        (sha256
>>  +          (base32 
>> "1v6h326qwjdydxk22dfz3x86zp8r1qdnajb3f37w8ngyivzmjgw2"))))
>>  +    (build-system cargo-build-system)
>>  +    (arguments
>>  +      `(#:cargo-inputs
>>  +        (("rust-unicode-segmentation" 
>> ,rust-unicode-segmentation-1))
>>  +        #:cargo-development-inputs
>>  +        (("rust-console" ,rust-console-0.14) ("rust-insta" 
>> ,rust-insta-1))))
>>  +    (home-page "<https://github.com/mitsuhiko/similar>")
>>  +    (synopsis "A diff library for Rust")
>>  +    (description "This package provides a diff library for Rust")
>>  +    (license license:asl2.0)))
>>  +
>>   (define-public rust-simple-mutex-1
>>     (package
>>       (name "rust-simple-mutex")
>>  @@ -49635,7 +49887,7 @@ (define-public rust-snap-1
>>   (define-public rust-socket2-0.4
>>     (package
>>       (name "rust-socket2")
>>  -    (version "0.4.0")
>>  +    (version "0.4.2")
>>       (source
>>         (origin
>>           (method url-fetch)
>>  @@ -49644,7 +49896,7 @@ (define-public rust-socket2-0.4
>>            (string-append name "-" version ".tar.gz"))
>>           (sha256
>>            (base32
>>  -          
>> "18ny6m1gnf6cwp5ax0b5hr36w6yg16z7faj76b31aq2jghhgqgcy"))))
>>  +          
>> "05imvybc86slkbg6sj9rd1xy9a8ydn1v2bcqjqr346myqzk0zjax"))))
>>       (build-system cargo-build-system)
>>       (arguments
>>        `(#:cargo-inputs
>>  @@ -52620,7 +52872,7 @@ (define-public rust-tap-1
>>   (define-public rust-tar-0.4
>>     (package
>>       (name "rust-tar")
>>  -    (version "0.4.26")
>>  +    (version "0.4.37")
>>       (source
>>         (origin
>>           (method url-fetch)
>>  @@ -52628,7 +52880,7 @@ (define-public rust-tar-0.4
>>           (file-name (string-append name "-" version ".crate"))
>>           (sha256
>>            (base32
>>  -          
>> "1lr6v3cpkfxd2lk5ll2jd8wr1xdskwj35smnh5sfb8xvzzxnn6dk"))))
>>  +          
>> "0p5srm08dly2bdgkpnjdfmxvldmvi31q6yxdvjxy0lnx79fm3xfn"))))
>>       (build-system cargo-build-system)
>>       (arguments
>>        `(#:tests? #f      ; Test tarballs not included in crate.
>>  @@ -59888,6 +60140,36 @@ (define-public rust-version-compare-0.0
>>   numbers, and test them against various comparison operators.")
>>       (license license:expat)))
>> 
>>  +(define-public rust-version-sync-0.9
>>  +  (package
>>  +    (name "rust-version-sync")
>>  +    (version "0.9.3")
>>  +    (source
>>  +      (origin
>>  +        (method url-fetch)
>>  +        (uri (crate-uri "version-sync" version))
>>  +        (file-name (string-append name "-" version ".tar.gz"))
>>  +        (sha256
>>  +          (base32 
>> "0kaqwjr7jlq3afh28jn052vm15z58h8szvbggwdavdng0wzy98x7"))))
>>  +    (build-system cargo-build-system)
>>  +    (arguments
>>  +      `(#:cargo-inputs
>>  +        (("rust-proc-macro2" ,rust-proc-macro2-1)
>>  +         ("rust-pulldown-cmark" ,rust-pulldown-cmark-0.8)
>>  +         ("rust-regex" ,rust-regex-1)
>>  +         ("rust-semver-parser" ,rust-semver-parser-0.9)
>>  +         ("rust-syn" ,rust-syn-1)
>>  +         ("rust-toml" ,rust-toml-0.5)
>>  +         ("rust-url" ,rust-url-2))
>>  +        #:cargo-development-inputs
>>  +        (("rust-tempfile" ,rust-tempfile-3))))
>>  +    (home-page "<https://github.com/mgeisler/version-sync>")
>>  +    (synopsis
>>  +      "Crate for ensuring that version numbers in README files and 
>> other files are kept in sync with the crate version.")
>>  +    (description
>>  +      "Crate for ensuring that version numbers in README files and 
>> other files are kept in sync with the crate version.")
>>  +    (license license:expat)))
>>  +
>>   (define-public rust-version-sync-0.8
>>     (package
>>       (name "rust-version-sync")
>>  diff --git a/gnu/packages/rust.scm b/gnu/packages/rust.scm
>>  old mode 100644
>>  new mode 100755
>>  index f7f05851f1..a1f3d757cd
>>  --- a/gnu/packages/rust.scm
>>  +++ b/gnu/packages/rust.scm
>>  @@ -12,6 +12,7 @@
>>   ;;; Copyright © 2020 Pierre Langlois <pierre.langlois@gmx.com 
>> <mailto:pierre.langlois@gmx.com>>
>>   ;;; Copyright © 2020 Matthew James Kraai <kraai@ftbfs.org 
>> <mailto:kraai@ftbfs.org>>
>>   ;;; Copyright © 2021 Maxim Cournoyer <maxim.cournoyer@gmail.com 
>> <mailto:maxim.cournoyer@gmail.com>>
>>  +;;; Copyright © 2021 (unmatched parenthesis <paren@disroot.org 
>> <mailto:paren@disroot.org>>
>>   ;;;
>>   ;;; This file is part of GNU Guix.
>>   ;;;
>>  @@ -769,8 +770,16 @@ (define rust-1.54
>>                               `("procps" ,procps)
>>                               (package-native-inputs base-rust))))))
>> 
>>  +(define rust-1.55
>>  +  (rust-bootstrapped-package
>>  +   rust-1.54 "1.55.0" 
>> "07l28f7grdmi65naq71pbmvdd61hwcpi40ry7kp7dy7m233rldxj"))
>>  +
>>  +(define rust-1.56
>>  +  (rust-bootstrapped-package
>>  +   rust-1.55 "1.56.1" 
>> "04cmqx7nn63hzz7z27b2b0dj2qx18rck9ifvip43s6dampx8v2f3"))
>>  +
>>   ;;; Note: Only the latest versions of Rust are supported and 
>> tested.  The
>>   ;;; intermediate rusts are built for bootstrapping purposes and 
>> should not
>>   ;;; be relied upon.  This is to ease maintenance and reduce the 
>> time
>>   ;;; required to build the full Rust bootstrap chain.
>>  -(define-public rust rust-1.54)
>>  +(define-public rust rust-1.56)
> 
> Thank you for this, it looks promising!
> 
> We usually split the commits as one per package touched (unless when
> doing otherwise would break packages for a long series of commits).)
> 
> Were you able to test it?
> 
> After you've split your commits into per-package ones, I'll try 
> having a
> look!
> 
> Thank you,
> 
> Maxim

Sorry, I forgot to add a 'Cc' address, and sent it directly to you... 
I'll repost that.

Hi!

I was able to test Rust, I can definitely remember 1.56 building 
properly on my machine. I'll get to work updating it to the latest Guix 
master tomorrow. I'm not sure if Cargo worked.

BTW, Rust has released a new 1.57 version; I'll make sure to add that.

One question: will it be possible to merge this into master _if_ I 
don't touch the 'rust' variable (so that Rust packages won't be 
rebuilt)? If so, I'll revert that change when I update this to latest 
guix. Rust packages have a habit of always depending on the newest, 
shinyest releases (that's why I did this in the first place, although 
the c-u-f merge did improve the situation by adding 1.54.0)




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