this derivation will be built:
  /nix/store/30b69rql0ma91q269y08vp3x2kvi6yx4-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/30b69rql0ma91q269y08vp3x2kvi6yx4-bcachefs-module-7.0.0-28-generic.drv'...