these 3 derivations will be built:
  /nix/store/4j5hsw37jr3fhrppq6w6yn39m7x88y1x-treefmt.toml.drv
  /nix/store/flbvqi36dysrsl166719wwl0a0ds02ya-treefmt.drv
  /nix/store/p9ycfvny1isrrmyqvjj5p9anj1vb9wj9-treefmt-check.drv