rust: workaround flaky crates.io downloads

[iMichka]

See
rust-lang/cargo#9695

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[dawidd6]

Looks like skipping dependents testing didn't work out

[iMichka]

Looks like skipping dependents testing didn't work out

I think it worked on Linux but not on ARM, cc @MikeMcQuaid

[MikeMcQuaid]

Looks good, thanks!

[MikeMcQuaid]

@iMichka @dawidd6 gonna need more than "didn't work" I'm afraid 😅. Also would be good to figure out whether it's dependents or recursive dependents or both that doesn't work.

[iMichka]

What we expected is that only the bottle to be built, and no other tests to be run, to have a quick build.

Actually I am correcting what I said above, some tests where still run on Linux, but way less.

Look for Testable dependents in the logs: we expect this list to be empty, given the 2 labels we used (CI-skip-dependents and CI-Skip-recursive-dependents).

Maybe this is due to a weird interaction with the CI-build-dependents-from-source label?

[MikeMcQuaid]

@iMichka I think #84024 will fix this. Could cherry-pick that commit into this PR for testing (if desired) before merging?

[iMichka]

Running again with your fix to test the CI labels.

[MikeMcQuaid]

Running again with your fix to test the CI labels.

Looks from the ARM build like it is being skipped as expected.

[dawidd6]

Now why is linux builld taking so long

[dawidd6]

It hanged on brew install rust

[Bo98]

Doesn't really say much. It takes 3 hours to build Rust on macOS Intel, and Linux CI has been at least 2x slower when I've been doing Swift builds.

[Bo98]

Earlier build took a little over 4 hours on Linux so it was probably cancelled when it was near finished to be honest.

[dawidd6]

Let's rerun then. Looked weird for me that it was building that long, but if you say so then okay.

[cho-m]

ARM build randomly failed this time.

Also, commit history looks a bit off as it includes an already-merged commit. Can we rebase it?

[carlocab]

🎉

[BrewTestBot]

@iMichka has triggered a merge.