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compiletest: unset `RUSTC_LOG_COLOR` If this leaks in from the environment then it can make tests fail when they deliberately trigger `WARN` or `ERROR` logging, currently this stops these tests from failing if you set `RUSTC_LOG_COLOR=always` in the parent environment: - `tests/ui/coherence/occurs-check/associated-type.rs#next` - `tests/ui/coherence/occurs-check/associated-type.rs#old` - `tests/ui/higher-ranked/structually-relate-aliases.rs` - `tests/ui/self/arbitrary-self-from-method-substs.rs#default` - `tests/ui/traits/next-solver/issue-118950-root-region.rs`
This directory contains some source code for the Rust project, including:
- The bootstrapping build system
- Various submodules for tools, like cargo, tidy, etc.
For more information on how various parts of the compiler work, see the rustc dev guide.