ci: move depot clippy and test jobs to 4-core runners#14
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Summary
clippyandtestjobs fromdepot-ubuntu-24.04todepot-ubuntu-latest-4Why
Cold Rust CI here is dominated by compile time from the AWS + Arrow + Parquet dependency graph. A recent main run took about 2m53s for
CI / Test, even though local warm-cache tests finish in ~0.22s.The simplest safe improvement is more CPU on the long-running jobs.
What I investigated but did not merge
I also prototyped a Depot snapshot image with Rust +
sccachepreinstalled and tried runningclippy/testagainst it.The image built successfully, but the image-backed jobs consistently failed with:
Error: fork/exec /home/runner/.cargo/bin/cargo: exec format errorSo I intentionally left that path out of this PR. It is not safe to merge yet.
Verification
cargo fmt --all --checkcargo test --workspaceactionlint -config-file .github/actionlint.yaml .github/workflows/*.yml