reproduce (this is a W=1 build):
        git checkout beeb78d46249cab8b2b8359a2ce8fa5376b5ad2d
        b4 shazam https://lore.kernel.org/r/20250325-feat-add-bitmask-macro-v2-1-d3beabdad90f@gmail.com
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 olddefconfig
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash CLIPPY=1 rustdoc