this derivation will be built:
  /nix/store/47bj3z83l22w6rhpb6pzs7anpfi9zwpb-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/47bj3z83l22w6rhpb6pzs7anpfi9zwpb-bcachefs-module-7.0.0-30-generic.drv'...