GNU bug report logs - #74142
[rust-team] rust-bootstrap fails parallel build on x86-64

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Efraim Flashner <efraim <at> flashner.co.il>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#74142: closed ([rust-team] rust-bootstrap fails parallel
 build on x86-64)
Date: Wed, 25 Dec 2024 14:45:02 +0000

[Message part 1 (text/plain, inline)]

Your message dated Wed, 25 Dec 2024 16:43:02 +0200
with message-id <Z2wZ9tGCK0VMIM84 <at> 3900XT>
and subject line Re: bug#74142: [rust-team] rust-bootstrap fails parallel build on x86-64
has caused the debbugs.gnu.org bug report #74142,
regarding [rust-team] rust-bootstrap fails parallel build on x86-64
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


-- 
74142: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=74142
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]

From: Greg Hogan <code <at> greghogan.com>
To: bug-guix <at> gnu.org
Cc: Efraim Flashner <efraim <at> flashner.co.il>
Subject: [rust-team] rust-bootstrap fails parallel build on x86-64
Date: Thu, 31 Oct 2024 15:13:40 -0400

[Message part 3 (text/plain, inline)]

derivation: 83qbfg0xxsfr5lsc81m5a770c7c7b55k-rust-1.54.0.drv
commit: 6e50b0c56a8cc767bd3acb26638f78c450bde718

Build log attached, tail portion below. Has consistently failed to
build unless cores=1.

The package definition has "#:parallel-build? ,(target-x86-64?)" but
the noted build issue ("race conditions between various dependent
crates") is also seen on x86-64.

It is only the 1.54 build with mrustc that fails in this manner, the
following rust packages in the chain build fine with parallelism
enabled.

Greg

--8<---------------cut here---------------start------------->8---
(36/175) BUILDING autocfg v1.0.1
> /tmp/guix-build-rust-1.54.0.drv-0/mrustc/bin/mrustc rustc-1.54.0-src/vendor/autocfg/src/lib.rs -o output/rustc-build/libautocfg-1_0_1.rlib --crate-name autocfg --crate-type rlib -C emit-depfile=output/rustc-build/libautocfg-1_0_1.rlib.d --crate-tag 1_0_1 --cfg debug_assertions -O -L output -L output/rustc-build
> /tmp/guix-build-rust-1.54.0.drv-0/mrustc/output/rustc-build/build_bitflags-1_2_1_run
> /tmp/guix-build-rust-1.54.0.drv-0/rustc-1.54.0-src/vendor/bitflags/output/rustc-build/build_memchr-2_4_0_H6_run
Unable to run process
'/tmp/guix-build-rust-1.54.0.drv-0/rustc-1.54.0-src/vendor/bitflags/output/rustc-build/build_memchr-2_4_0_H6_run'
- No such file or directory
Calling /tmp/guix-build-rust-1.54.0.drv-0/rustc-1.54.0-src/vendor/bitflags/output/rustc-build/build_memchr-2_4_0_H6_run
failed (see /tmp/guix-build-rust-1.54.0.drv-0/mrustc/output/rustc-build/build_memchr-2_4_0_H6.txt_failed.txt
for stdout)
(37/175) BUILDING bitflags v1.2.1
> /tmp/guix-build-rust-1.54.0.drv-0/mrustc/bin/mrustc rustc-1.54.0-src/vendor/bitflags/src/lib.rs -o output/rustc-build/libbitflags-1_2_1.rlib --crate-name bitflags --crate-type rlib -C emit-depfile=output/rustc-build/libbitflags-1_2_1.rlib.d --crate-tag 1_2_1 --cfg debug_assertions -O -L output -L output/rustc-build --cfg bitflags_const_fn
Unable to run process
'/tmp/guix-build-rust-1.54.0.drv-0/mrustc/bin/mrustc' - No such file
or directory
> /tmp/guix-build-rust-1.54.0.drv-0/rustc-1.54.0-src/vendor/memchr/output/rustc-build/build_ryu-1_0_5_run
Unable to run process
'/tmp/guix-build-rust-1.54.0.drv-0/rustc-1.54.0-src/vendor/memchr/output/rustc-build/build_ryu-1_0_5_run'
- No such file or directory
Calling /tmp/guix-build-rust-1.54.0.drv-0/rustc-1.54.0-src/vendor/memchr/output/rustc-build/build_ryu-1_0_5_run
failed (see /tmp/guix-build-rust-1.54.0.drv-0/mrustc/output/rustc-build/build_ryu-1_0_5.txt_failed.txt
for stdout)
> /tmp/guix-build-rust-1.54.0.drv-0/rustc-1.54.0-src/vendor/memchr/output/rustc-build/build_snap-1_0_5_run
Unable to run process
'/tmp/guix-build-rust-1.54.0.drv-0/rustc-1.54.0-src/vendor/memchr/output/rustc-build/build_snap-1_0_5_run'
- No such file or directory
Calling /tmp/guix-build-rust-1.54.0.drv-0/rustc-1.54.0-src/vendor/memchr/output/rustc-build/build_snap-1_0_5_run
failed (see /tmp/guix-build-rust-1.54.0.drv-0/mrustc/output/rustc-build/build_snap-1_0_5.txt_failed.txt
for stdout)
> /tmp/guix-build-rust-1.54.0.drv-0/rustc-1.54.0-src/vendor/memchr/output/rustc-build/build_maybe-uninit-2_0_0_run
Unable to run process
'/tmp/guix-build-rust-1.54.0.drv-0/rustc-1.54.0-src/vendor/memchr/output/rustc-build/build_maybe-uninit-2_0_0_run'
- No such file or directory
Calling /tmp/guix-build-rust-1.54.0.drv-0/rustc-1.54.0-src/vendor/memchr/output/rustc-build/build_maybe-uninit-2_0_0_run
failed (see /tmp/guix-build-rust-1.54.0.drv-0/mrustc/output/rustc-build/build_maybe-uninit-2_0_0.txt_failed.txt
for stdout)
> /tmp/guix-build-rust-1.54.0.drv-0/rustc-1.54.0-src/vendor/memchr/output/rustc-build/build_typenum-1_12_0_run
Unable to run process
'/tmp/guix-build-rust-1.54.0.drv-0/rustc-1.54.0-src/vendor/memchr/output/rustc-build/build_typenum-1_12_0_run'
- No such file or directory
Calling /tmp/guix-build-rust-1.54.0.drv-0/rustc-1.54.0-src/vendor/memchr/output/rustc-build/build_typenum-1_12_0_run
failed (see /tmp/guix-build-rust-1.54.0.drv-0/mrustc/output/rustc-build/build_typenum-1_12_0.txt_failed.txt
for stdout)
BUILD FAILED
make: *** [minicargo.mk:228: output/rustc] Error 1
error: in phase 'build': uncaught exception:
%exception #<&invoke-error program: "make" arguments: ("-f"
"minicargo.mk" "output/rustc" "RUSTC_TARGET=x86_64-unknown-linux-gnu"
"RUSTC_VERSION=1.54.0" "MRUSTC_TARGET_VER=1.54" "CFLAGS=-std=gnu11"
"OUTDIR_SUF=") exit-status: 2 term-signal: #f stop-signal: #f>
phase `build' failed after 617.7 seconds
command "make" "-f" "minicargo.mk" "output/rustc"
"RUSTC_TARGET=x86_64-unknown-linux-gnu" "RUSTC_VERSION=1.54.0"
"MRUSTC_TARGET_VER=1.54" "CFLAGS=-std=gnu11" "OUTDIR_SUF=" failed with
status 2
build process 18 exited with status 256
--8<---------------cut here---------------end--------------->8---

[qbfg0xxsfr5lsc81m5a770c7c7b55k-rust-1.54.0.drv.gz (application/gzip, attachment)]

[Message part 5 (message/rfc822, inline)]

From: Efraim Flashner <efraim <at> flashner.co.il>
To: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
Cc: 74142-done <at> debbugs.gnu.org, Greg Hogan <code <at> greghogan.com>
Subject: Re: bug#74142: [rust-team] rust-bootstrap fails parallel build on
 x86-64
Date: Wed, 25 Dec 2024 16:43:02 +0200

[Message part 6 (text/plain, inline)]

I don't remember if I closed this but I've updated the mrustc snapshot
and now parallel builds are supported by default, on all architectures.

-- 
Efraim Flashner   <efraim <at> flashner.co.il>   אפרים פלשנר
GPG key = A28B F40C 3E55 1372 662D  14F7 41AA E7DC CA3D 8351
Confidentiality cannot be guaranteed on emails sent or received unencrypted

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