these 3 derivations will be built:
  /nix/store/cz5a6zljdnmzncx928vgj9whb04lxbfj-treefmt.toml.drv
  /nix/store/f3mzqm8nfh0aq7yxh7qm05w4bkgbpkdq-treefmt.drv
  /nix/store/garz8g8nakq9gmi3pamjqyr49jb07jf1-treefmt-check.drv