these 3 derivations will be built:
  /nix/store/dkx0r52137cx3p5zk99gjgv0a0bfjcys-treefmt.toml.drv
  /nix/store/saqya34pix8yz1k5803q9lgk8ij683cp-treefmt.drv
  /nix/store/0ifpnkjgppa0j7f2g6r44ij52wg6nbm4-treefmt-check.drv