this derivation will be built:
  /nix/store/lvnhskk9b56z12qsd0fqby53wzl5izww-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/lvnhskk9b56z12qsd0fqby53wzl5izww-bcachefs-module-7.0.0-38-generic.drv'...