this derivation will be built:
  /nix/store/hmkz23avqd1vf1d8bf8am5h1za01b8y7-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/hmkz23avqd1vf1d8bf8am5h1za01b8y7-bcachefs-module-7.0.0-38-generic.drv'...