rustup override

Modify directory toolchain overrides. See rustup help toolchain for more information about toolchains. More information: https://rust-lang.github.io/rustup.

• List directiory toolchain overrides:

rustup override list

• Set the override toolchain for the current directory (i.e. tell rustup to run cargo, rustc, etc. from a specific toolchain when in that directory):

rustup override set toolchain

• Remove the toolchain override for the current directory:

rustup override unset

• Remove all toolchain overrides for directories that no longer exist:

rustup override unset --nonexistent