these 3 derivations will be built:
  /nix/store/8i3x12bn96v1mdi0x7l6acgvqz74w9zc-treefmt.toml.drv
  /nix/store/z22sd50gmgsvm4vizg5ynls5p367pilw-treefmt.drv
  /nix/store/nm04yqid0l27z0sya79s339dd8gygd28-treefmt-check.drv
this path will be fetched (9.3 MiB download, 25.9 MiB unpacked):
  /nix/store/0mmh0jm4wnb6z8iaja7nrr7f8xzmwvn7-ruff-0.16.8