benches: use std::hint::black_box - #334
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krisztianfekete merged 1 commit intoAug 4, 2026
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Signed-off-by: krisztianfekete <git@krisztianfekete.org>
ArthurSens
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Aug 4, 2026
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criterion 0.8 deprecates
criterion::black_boxin favour of the std function it re-exports, see failures in https://github.com/prometheus/client_rust/actions/runs/30914192889/job/92008038237?pr=333This PR switches to
std::hint::black_box, which is stable since 1.66 and works with both criterion 0.5 and 0.8 thus unblocking #333