this derivation will be built:
  /nix/store/khf3ham6rw60asxzg6gb099jwjh5qwx5-bcachefs-module-7.0.0-14-generic.drv
building '/nix/store/khf3ham6rw60asxzg6gb099jwjh5qwx5-bcachefs-module-7.0.0-14-generic.drv'...