this derivation will be built:
  /nix/store/6kgj4rw4gbhq98c43lzglj8rh12cz3vs-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/6kgj4rw4gbhq98c43lzglj8rh12cz3vs-bcachefs-module-7.0.0-31-generic.drv'...