Check in a `rust-toolchain.toml` file.
Section: rust-toolchain files
Pin toolchain in version-controlled config
toml
toml
[toolchain]
channel = "stable"
components = ["rustfmt", "clippy"]
targets = ["x86_64-unknown-linux-musl"]Explanation
A rust-toolchain file can pin channel, components, and targets for a repo.
Learn the surrounding workflow
Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.
Related commands
Same sheet · prioritizing rust-toolchain files
Use stable once without changing defaults
Run one command on the stable toolchain.
List components
Show installed and available components for active toolchain.