this derivation will be built:
  /nix/store/cd1qiqjm119gvq0rphmi80ij5z3bq6np-bcachefs-module-7.0.0-14-generic.drv
building '/nix/store/cd1qiqjm119gvq0rphmi80ij5z3bq6np-bcachefs-module-7.0.0-14-generic.drv'...