these 3 derivations will be built:
  /nix/store/cwc8gj6ag2h3s5lzr6r8h90m2j7b36d6-treefmt.toml.drv
  /nix/store/7dinisb759mn4a696lw90yfywzspp1ik-treefmt.drv
  /nix/store/7lkxpl0dzyr51685cn7bxghql4rzcb5d-treefmt-check.drv
this path will be fetched (10.0 MiB download, 27.3 MiB unpacked):
  /nix/store/fagwf2abba6276mndv9mh35ilmzcxdac-ruff-0.15.22