Failed to build rust due to ar issue #7184
Description
I failed to build rust because that the unexistingn archiever /lustre/home/rpm/spack/lib/spack/env/gcc/ar was evoked during build.
Expected Result
Rust build succeeded.
Actual Result
Rust build failed.
Steps to reproduce the issue
$ spack clean
$ rm -rf $SPACK_ROOT/var/spack/cache/rust/*
$ spack install rust
...
==> Error: ProcessError: Command exited with status 2:
'make' '-j6'
1 error found in build log:
115 couldn't find required command: "/lustre/home/rpm/spack/lib/spack/env/gcc/ar"
116
117 ', src/bootstrap/sanity.rs:65:12
118 note: Run with `RUST_BACKTRACE=1` for a backtrace.
119 failed to run: /lustre/home/rpm/spack/var/spack/stage/rust-1.23.0-zskm6as22m5lv2ldwojyeknjwa5thrni/rus
t/build/bootstrap/debug/bootstrap build
120 Build completed unsuccessfully in 0:05:12
>> 121 make: *** [all] Error 1
See build log for details:
/lustre/home/rpm/spack/var/spack/stage/rust-1.23.0-zskm6as22m5lv2ldwojyeknjwa5thrni/rust/spack-build.outInformation on your system
I am using CentOS 7. Both rust and cargo have been bump to the latest versions, 1.23.0 and 0.24.0 separately. No other relevant modificiation has been made to Spack, I think. Full build logs and envs can be found attached.