Rust CLI Troubleshooting: rustup, Toolchains, Components, and Targets/Pin a directory to one toolchain
Set a local override for the current project.
Section: Toolchain selection
Pin a directory to one toolchain
bash
bash
rustup override set stableExplanation
Useful when a repository should always use one toolchain regardless of the machine default.
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 Toolchain selection
Show active toolchain details
Display installed toolchains and the active default.
See which rustc binary is used
Show the actual executable path selected by rustup.
Run Cargo with a specific toolchain
Use a channel explicitly for one command.
List installed and available components
See whether rustfmt, clippy, or docs are installed.