these 3 derivations will be built:
  /nix/store/2g6rfhnxwa4bbrx1cy4gvhqzjg7gzzyr-treefmt.toml.drv
  /nix/store/9rydmvr52cqbynk9xp8ny36bra06vzvv-treefmt.drv
  /nix/store/py8fr3cs1pb4p8v3pv4jnxdjmw1sj6fv-treefmt-check.drv