these 3 derivations will be built:
  /nix/store/hj98rv4fc9avf1ywzrmj7vxdlbi0llw4-treefmt.toml.drv
  /nix/store/i4vp3c51fck7l76ds8dc7rblpgg1bhkz-treefmt.drv
  /nix/store/wdbrs4x2b7f6j9a70gsfzrfq5if577mv-treefmt-check.drv