Shipping a stable compiler every six weeks
summary
Rust ships a stable compiler every six weeks and claims almost no regressions by combining a huge test suite, bootstrapping (stable builds the next compiler), and an ecosystem-scale experiment called Crater that runs cargo test across crates io and GitHub. Crater surfaces surprising numbers — e g 46 crates flagged in one run and 600 in another — and surfaces failures before users do at the cost of heavy compute and opaque private repo support.
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