Closed
Description
Using RUSTFLAGS="-Zcodegen-backend=cranelift" cargo +nightly build I get a lot of the following warnings building my project:
warning: failed to connect to jobserver from environment variable `CARGO_MAKEFLAGS="-j --jobserver-fds=3,4 --jobserver-auth=3,4"`: cannot open file descriptor 3 from the jobserver environment variable value: Bad file descriptor (os error 9)
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= note: the build environment is likely misconfigured
This doesn't appear when building with the standard native LLVM toolchain on either nightly or stable.
Version info:
$ rustup --version
rustup 1.26.0 (2023-11-14)
info: This is the version for the rustup toolchain manager, not the rustc compiler.
info: The currently active `rustc` version is `rustc 1.74.1 (a28077b28 2023-12-04)`
$ rustc +nightly --version --verbose
rustc 1.76.0-nightly (de686cbc6 2023-12-14)
binary: rustc
commit-hash: de686cbc65478db53e3d51c52497685e852cc092
commit-date: 2023-12-14
host: x86_64-unknown-linux-gnu
release: 1.76.0-nightly
LLVM version: 17.0.5Project for reproduction (haven't tried it on other things, don't know how widespread it is): https://github.com/VorpalBlade/chezmoi_modify_manager (tested on commit ec6cc2477dd5dca4fff5d2b972aa18ced86df9b8).
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