Add `rust-src` in toolchain setup
@@ -108,6 +108,7 @@ function install_toolchain {
rustup install "$version"
rustup set profile minimal
rustup component add rustfmt --toolchain "$version"
+ rustup component add rust-src --toolchain "$version"
rustup component add clippy --toolchain "$version"
rustup component add miri --toolchain "$version"
rustup default "$version"
