these 3 derivations will be built:
  /nix/store/cxdyk26dxmrjzbr76f7d5n96r2my0rqf-treefmt.toml.drv
  /nix/store/9k0pk8vkklxrdpi8gdx64lq65j5i2798-treefmt.drv
  /nix/store/yk2xbihwf4xs6wvz8pk3zf01w6ixfvd0-treefmt-check.drv
this path will be fetched (9.3 MiB download, 25.9 MiB unpacked):
  /nix/store/0mmh0jm4wnb6z8iaja7nrr7f8xzmwvn7-ruff-0.16.8