these 3 derivations will be built:
  /nix/store/v24rrvjysj17yasjsnbkv5k7l7zjd9yj-treefmt.toml.drv
  /nix/store/01qz8kcn89qvxvqb1ll1n0rcwdyvv7dj-treefmt.drv
  /nix/store/mns4mj01wcj2rmi5cb6sijadi8hh5gyj-treefmt-check.drv