Check Cargo caches, exact lockfile versions, and CI logs after the Rust crate compromise without downloading or executing suspicious code.
Originally published at CodeReport Global — read the full guide with runnable checks and verified boundaries at https://codereportglobal.indevs.in/articles/rust-crate-compromise-check-cargo-ci-safely.
Why this matters
If your Rust workstation or CI runner built dependencies during the August 20, 2026 crates.io incident, first separate download evidence from execution evidence . The Rust Security Response Team says proc macro1 contained a malicious build script and that arrayref@0.3.10 , internment@0.8.7 , and append only vec@0.1.9…
What you'll get in the full article
- What exactly should you check?
- How do you check the local Cargo cache without running a crate?
- How do you check the lockfile without making the result misleading?
- How can you tell whether the build script actually ran?
- What should you rotate after a possible CI execution?
- Copy-paste commands + expected output + common errors
- Verified on the exact versions mentioned — no fluff
👉 Read the full article: https://codereportglobal.indevs.in/articles/rust-crate-compromise-check-cargo-ci-safely
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Canonical: https://codereportglobal.indevs.in/articles/rust-crate-compromise-check-cargo-ci-safely
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