these 3 derivations will be built:
  /nix/store/xcb36546x3syssvivmvbl0fb04kdxr6n-treefmt.toml.drv
  /nix/store/2xc08fkcqag91gdg4ly3q3qfazwrlp4x-treefmt.drv
  /nix/store/j6chh6wxc8n7pwp63i2gpjj55whmvwqd-treefmt-check.drv
this path will be fetched (10.8 MiB download, 31.6 MiB unpacked):
  /nix/store/sddv779f9zwcm72i0nsa8sgy1zjcl2n4-ruff-0.16.3