#78484 - [PATCH] rust: Bootstrap from version 1.74.0.

Package	Source(s)		Maintainer(s)
guix-patches		PTS Buildd Popcon

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From: Maxim Cournoyer <maxim@guixotic.coop>
To: Andreas Enge <andreas@enge.fr>
Subject: Re: [bug#78484] [PATCH] rust: Bootstrap from version 1.74.0.
In-Reply-To: <aE58VdpaReYka12K@jurong> (Andreas Enge's message of "Sun, 15 Jun
 2025 09:55:01 +0200")
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Hi Andreas,

Andreas Enge <andreas@enge.fr> writes:

> Hello Maxim,
>
> I do not know what the progress in rust-team is (it has not filed a
> request to merge yet, but the latest commit is from the end of May),
> but just wanted to report that I could bootstrap rust on x86_64.
>
> On aarch64, already the very first step rust-1.74 fails with the
> following message:
> Process was terminated with signal 6
> FAILING COMMAND: /tmp/guix-build-rust-1.74.0.drv-0/source/bin/mrustc
> rustc-1.74.0-src/vendor/compiler_builtins/src/lib.rs -o
> output/libcompiler_builtins-0_1_101_H10c.rlib -C
> emit-depfile=output/libcompiler_builtins-0_1_101_H10c.rlib.d --cfg
> debug_assertions -O -L output --cfg feature="compiler-builtins" --cfg
> feature="rustc-dep-of-std" --cfg feature="core" --cfg
> feature="dep:core" --crate-name compiler_builtins --crate-type rlib
> --crate-tag 0_1_101_H10c --cfg feature="unstable" --edition 2018
> --extern core=output/librustc_std_workspace_core-1_99_0.rlib
> Env:
> OUT_DIR=/tmp/guix-build-rust-1.74.0.drv-0/source/output/build_compiler_builtins-0_1_101_H10c
> CARGO_MANIFEST_DIR=/tmp/guix-build-rust-1.74.0.drv-0/source/rustc-1.74.0-src/vendor/compiler_builtins
> CARGO_PKG_NAME=compiler_builtins CARGO_PKG_VERSION=0.1.101
> CARGO_PKG_VERSION_MAJOR=0 CARGO_PKG_VERSION_MINOR=1
> CARGO_PKG_VERSION_PATCH=101
>  (15.8% 1r,0w,15b,3c/19t): libc v0.2.148
> Completed libc v0.2.148
>  (21.1% 0r,0w,15b,4c/19t):
> BUILD FAILED
> make: *** [minicargo.mk:236: LIBS] Error 1
> error: in phase 'build': uncaught exception:
> %exception #<&invoke-error program: "make" arguments: ("-f"
> "minicargo.mk" "LIBS" "RUSTC_TARGET=aarch64-unknown-linux-gnu"
> "RUSTC_VERSION=1.74.0" "MRUSTC_TARGET_VER=1.74"
> "RUSTC_SRC_TARBALL=/gnu/store/r7fn309n0jhki5a06ipwhlmk71mprql8-rustc-1.74.0-src.tar.zst"
> "OUTDIR_SUF=") exit-status: 2 term-signal: #f stop-signal: #f>
> phase `build' failed after 3856.9 seconds
> command "make" "-f" "minicargo.mk" "LIBS"
> "RUSTC_TARGET=aarch64-unknown-linux-gnu" "RUSTC_VERSION=1.74.0"
> "MRUSTC_TARGET_VER=1.74"
> "RUSTC_SRC_TARBALL=/gnu/store/r7fn309n0jhki5a06ipwhlmk71mprql8-rustc-1.74.0-src.tar.zst"
> "OUTDIR_SUF=" failed with status 2
> build process 6 exited with status 256
>
> Not very helpful, unfortunately.

If you ever have the time/interest to dig deeper, you could report that
to https://github.com/thepowersgang/mrustc/issues; the author is usually
keen to troubleshoot issues and will probably ask extra steps from you
to gather more hints.

-- 
Thanks,
Maxim

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#78484 [PATCH] rust: Bootstrap from version 1.74.0.