these 3 derivations will be built:
  /nix/store/wjmn1cp8xiwpjp2spi8wdi7gqngkl1ih-treefmt.toml.drv
  /nix/store/xip3r97nmbxsyap9bcqybij42rwgv7s4-treefmt.drv
  /nix/store/58dfghbn7k5abvv20fahayqf7gm6q7wg-treefmt-check.drv