Miri output caching and GitHub Actions secret exposure advisory

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Miri output caching and GitHub Actions secret exposure advisory

The issue concerns CI configurations that run Miri and cache its output. The official advisory said it would be fixed in the 9/22 nightly.

Announced2026-09-21

https://blog.rust-lang.org/2026/09/21/github-actions-leaking-secrets-when-miri-output-is-cached/

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