enhance Rust easyblock to allow specifying channel to use (stable vs nightly)

[boegel]

(created using eb --new-pr)

[boegel]

@boegelbot please test @ jsc-zen3
EB_ARGS="Rust-1.52.1-GCCcore-10.3.0.eb Rust-1.70.0-GCCcore-12.3.0.eb Rust-1.85.1-GCCcore-14.2.0.eb"
CORE_CNT=16

[boegelbot]

@boegel: Request for testing this PR well received on jsczen3l1.int.jsc-zen3.fz-juelich.de

PR test command 'if [[ develop != 'develop' ]]; then EB_BRANCH=develop ./easybuild_develop.sh 2> /dev/null 1>&2; EB_PREFIX=/home/boegelbot/easybuild/develop source init_env_easybuild_develop.sh; fi; EB_PR=3749 EB_ARGS="Rust-1.52.1-GCCcore-10.3.0.eb Rust-1.70.0-GCCcore-12.3.0.eb Rust-1.85.1-GCCcore-14.2.0.eb" EB_REPO=easybuild-easyblocks EB_BRANCH=develop /opt/software/slurm/bin/sbatch --job-name test_PR_3749 --ntasks="16" ~/boegelbot/eb_from_pr_upload_jsc-zen3.sh' executed!

• exit code: 0
• output:

Submitted batch job 6544

Test results coming soon (I hope)...

Details

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Message to humans: this is just bookkeeping information for me,
it is of no use to you (unless you think I have a bug, which I don't).

[boegelbot]

Test report by @boegelbot

Overview of tested easyconfigs (in order)

• SUCCESS Rust-1.52.1-GCCcore-10.3.0.eb
• SUCCESS Rust-1.70.0-GCCcore-12.3.0.eb
• SUCCESS Rust-1.85.1-GCCcore-14.2.0.eb

Build succeeded for 3 out of 3 (3 easyconfigs in total)
jsczen3c1.int.jsc-zen3.fz-juelich.de - Linux Rocky Linux 9.5, x86_64, AMD EPYC-Milan Processor (zen3), Python 3.9.21
See https://gist.github.com/boegelbot/a738ef5826fe3885818334e4e0ef782d for a full test report.

[Micket]

since we are going to have multiple versions of this now, can be please consider dropping the html docs?

They take up 700MB out of 1.6GB and of course not a single person is going to read those on a cluster (you'd have to have a browser on the cluster, and then also somehow know to navigate into the Rust installation directory share. No one would ever prefer this to just reading it online).

--disable-docs
--disable-compiler-docs

Not sure if both or just one of these are needed

[boegel]

since we are going to have multiple versions of this now, can be please consider dropping the html docs?

They take up 700MB out of 1.6GB and of course not a single person is going to read those on a cluster (you'd have to have a browser on the cluster, and then also somehow know to navigate into the Rust installation directory share. No one would ever prefer this to just reading it online).

--disable-docs
--disable-compiler-docs

Not sure if both or just one of these are needed

I'm happy to, but let's do that in a follow-up PR since it has nothing to do with the changes being made here?

[Micket]

ok then