reproduce (this is a W=1 build):
        git checkout a126eca844353360ebafa9088d22865cb8e022e3
        b4 shazam https://lore.kernel.org/r/20240624030327.90301-2-ethan.twardy@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