this derivation will be built:
  /nix/store/4zxrl7694rlzm92bvjzd22326cghz71p-bcachefs-module-7.0.0-27-generic.drv
building '/nix/store/4zxrl7694rlzm92bvjzd22326cghz71p-bcachefs-module-7.0.0-27-generic.drv'...