these 3 derivations will be built:
  /nix/store/2wj8vs9vv2bs44gysmiqz127zbcnad1j-treefmt.toml.drv
  /nix/store/bm6d3addl96x7b3jm0ihw0xbgbk0bvbs-treefmt.drv
  /nix/store/r1vjdr94ih3kh80nbhw7syccbck5wi9f-treefmt-check.drv