these 3 derivations will be built:
  /nix/store/m37dpya3g12v6ldwwdhc05dafd0nb4s7-treefmt.toml.drv
  /nix/store/m432sax8jpzgvmglh5zlgmg6y5cdkp9z-treefmt.drv
  /nix/store/zs0sgndv8b7nx3y36n3y6kxvaycbgzv1-treefmt-check.drv