these 3 derivations will be built:
  /nix/store/5b9k08ylbd3hdndz1r0nmc79iw0svd2v-treefmt.toml.drv
  /nix/store/pn8agf4wx4ibqvc5ksdhaix0pap9qiij-treefmt.drv
  /nix/store/3yaninnkb5s5ahk59yfccc3b6rcqhgj3-treefmt-check.drv