this derivation will be built:
  /nix/store/1qy0d9c0wrx76yffz9krx3plwkymkpw7-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/1qy0d9c0wrx76yffz9krx3plwkymkpw7-bcachefs-module-7.0.0-27-generic.drv'...