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I love nextest. without it my CI could take hours

https://github.com/tsz-org/tsz/actions/runs/29002057457/job/...

watch it running 32.5k unit tests without breaking a sweat!

Thanks! BTW you might enjoy setting CARGO_TERM_COLOR=always in your environment :) dtolnay/rust-toolchain does this automatically but it looks like you aren't using that action.

Thanks! Any pro tips for sharding? I landed on single job because couldn't get cache to work properly for shards to be fast enough to worth it

I think in practice you're right that GitHub Actions' caching slowness can end up dominating performance. I don't have any great tips other than to measure.

I've basically abandoned GA's caching for most things because measurements ended up showing things were slower with caching than without :woozy:

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