this derivation will be built:
  /nix/store/qm925kd2wazwscmrylqvc1nr6m3apqcc-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/qm925kd2wazwscmrylqvc1nr6m3apqcc-bcachefs-module-7.0.0-39-generic.drv'...