Modify a toolchain’s installed components. Without the
--toolchainoptionrustupwill use the default toolchain. Seerustup help toolchainfor more information about toolchains. More information: https://rust-lang.github.io/rustup.
rustup component add --toolchain {{toolchain}} {{component}}
rustup component remove --toolchain {{toolchain}} {{component}}
rustup component list --toolchain {{toolchain}}
rustup component list --toolchain {{toolchain}} --installed