this derivation will be built:
  /nix/store/xckgs42h9gqqzjax3gphd0wrv43zam7k-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/xckgs42h9gqqzjax3gphd0wrv43zam7k-bcachefs-module-7.0.0-29-generic.drv'...