this derivation will be built:
  /nix/store/ww7ircp66azrvvajvv2k82smpx778dny-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/ww7ircp66azrvvajvv2k82smpx778dny-bcachefs-module-7.0.0-31-generic.drv'...