these 3 derivations will be built:
  /nix/store/1xalh934x9b36aiqbbxa2hwn4c35bd03-treefmt.toml.drv
  /nix/store/x98788j83zyb39q3vlpcd9q87iy5dmmf-treefmt.drv
  /nix/store/i1fx0y6gwpmbdd588k5ng9v8cvvn5x9j-treefmt-check.drv