this derivation will be built:
  /nix/store/as18qk34yir14crj18vcj2qjgig4z2iq-bcachefs-module-7.0.0-14-generic.drv
building '/nix/store/as18qk34yir14crj18vcj2qjgig4z2iq-bcachefs-module-7.0.0-14-generic.drv'...