this derivation will be built:
  /nix/store/qlmycid3f32rsfwnww96w9zpbmrrqmyf-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/qlmycid3f32rsfwnww96w9zpbmrrqmyf-bcachefs-module-7.0.0-29-generic.drv'...