this derivation will be built:
  /nix/store/80yd4q3wf89jlm4j3ms42ka3gnavhdbp-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/80yd4q3wf89jlm4j3ms42ka3gnavhdbp-bcachefs-module-7.0.0-30-generic.drv'...