this derivation will be built:
  /nix/store/yy7xf98pqfsp8g0qjcnsyg043s7zci2l-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/yy7xf98pqfsp8g0qjcnsyg043s7zci2l-bcachefs-module-7.0.0-38-generic.drv'...