this derivation will be built:
  /nix/store/mh7phv1h7xqrwav9l6yrxn44fy3sgd04-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/mh7phv1h7xqrwav9l6yrxn44fy3sgd04-bcachefs-module-7.0.0-38-generic.drv'...