these 3 derivations will be built:
  /nix/store/99gikfx2s4dqvv8p4g1076m8hgray0mr-treefmt.toml.drv
  /nix/store/84zn78hfjpww1mp73g7xx8qfjqpdwa28-treefmt.drv
  /nix/store/ffwk23agl8gi1k3madhj36fiaplxgzkx-treefmt-check.drv