this derivation will be built:
  /nix/store/pl9704pc3v4y8zv3x9jygd8db2qvyy05-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/pl9704pc3v4y8zv3x9jygd8db2qvyy05-bcachefs-module-7.0.0-38-generic.drv'...