these 3 derivations will be built:
  /nix/store/2g6rfhnxwa4bbrx1cy4gvhqzjg7gzzyr-treefmt.toml.drv
  /nix/store/9rydmvr52cqbynk9xp8ny36bra06vzvv-treefmt.drv
  /nix/store/ygk4khg68yhf0lvhd97mbz3yxaiddv4v-treefmt-check.drv