Troubleshooting

Using with cranelift

If you have cranelift setup as a custom codegen backend, you may run into the following error when running the linter:

error: failed to find a `codegen-backends` folder in the sysroot candidates:
       * ~/.rustup/toolchains/nightly-2025-05-14-x86_64-unknown-linux-gnu
       * ~/.rustup/toolchains/nightly-2025-05-14-x86_64-unknown-linux-gnu

This error occurs because you do not have cranelift installed for the specific nightly toolchain that the linter uses. You can fix this by installing rustc-codegen-cranelift-preview for the linter's toolchain:

rustup component add rustc-codegen-cranelift-preview --toolchain $TOOLCHAIN_VERSION

You can find the value of $TOOLCHAIN_VERSION by looking at the compatibility table for the version of the linter you have installed.