this derivation will be built:
  /nix/store/20599z37gf69wi0pzr5hljjchkgpcy3y-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/20599z37gf69wi0pzr5hljjchkgpcy3y-bcachefs-module-7.0.0-31-generic.drv'...