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• 17:30, 15 November 2025 PC talk contribs created page How Rust Tests Itself: Inside compiletest and the Rustc Test Suite (Created page with "There’s a running joke inside the Rust community: “Rust doesn’t have users. It has testers.” Because every time you type cargo build, you’re benefiting from tens of thousands of tests that run before every Rust release — from parser edge cases to weird macro expansions to borrow checker nightmares no mortal would think of. But what powers that?
How does a language like Rust, with a compiler so complex it can compile itself, actually test itself? The ans...")