ci: Add Rust Windows cross toolchain on ubuntu-rolling image

[xclaesse]

No description provided.

[xclaesse]

CI image updates must be merged before actually using it, otherwise CI still uses the old image. See #11990.

[tristan957]

CI failures don't make sense to me

[xclaesse]

CI failures don't make sense to me

Building docker images has been failing for a while, @eli-schwartz fixed ubuntu-rolling recently which is the only one we care here. Fixing others would be great but unrelated to this PR.

[xclaesse]

ubuntu-rolling did pass Rust tests successfully, so I think this PR is ready: https://github.com/mesonbuild/meson/actions/runs/5611071724/jobs/10266902617?pr=12015#step:5:1792.

[tristan957]

Cool. I say go ahead and merge it.

[eli-schwartz]

Building docker images has been failing for a while, @eli-schwartz fixed ubuntu-rolling recently which is the only one we care here. Fixing others would be great but unrelated to this PR.

Indeed, CI image updates are usually like this -- we only care about the specific job related to the image we are in the middle of updating.

ubuntu-rolling did pass Rust tests successfully, so I think this PR is ready

In order for the tests to still pass on master, we just need a drop-in compatible replacement rustc, we are not actually running cross tests yet anyway -- so I agree, the success or failure of cross compile tests doesn't reflect on this PR.

[xclaesse]

In order for the tests to still pass on master, we just need a drop-in compatible replacement rustc

While working on this I noticed that's not exactly true, if rustc is missing those tests are happily skipped.

[eli-schwartz]

Right, that's true... if the entire category is skipped because the tool isn't found at all then a single test skipping isn't considered an "unexpected skip" error.

[eli-schwartz]

info: default host triple is x86_64-unknown-linux-gnu
info: syncing channel updates for 'stable-x86_64-unknown-linux-gnu'
info: latest update on 2023-07-13, rust version 1.71.0 (8ede3aae2 2023-07-12)
info: downloading component 'cargo'
info: downloading component 'clippy'
info: downloading component 'rust-docs'
info: downloading component 'rust-std'
info: downloading component 'rustc'
info: downloading component 'rustfmt'
info: installing component 'cargo'
info: installing component 'clippy'
info: installing component 'rust-docs'
info: installing component 'rust-std'
info: installing component 'rustc'
info: installing component 'rustfmt'

I don't think we need the docs or rustfmt, is it possible to exclude those?

[tristan957]

I think you want to add --profile minimal to the shell script invocation.

https://rust-lang.github.io/rustup/concepts/profiles.html

[xclaesse]

--profile minimal --component clippy I guess?

That worked locally, updated the PR to see how it goes.

[xclaesse]

It worked, let's merge so I can use it in the other PR.