these 3 derivations will be built:
  /nix/store/3zz1sk5yzmi3lwb5v3i2ha7fhxiyfdh7-treefmt.toml.drv
  /nix/store/n9s4q1cm9pvyhnxqm8wp1rv4kn36mz8i-treefmt.drv
  /nix/store/rbb9jsysk1l2zpn1jckp6x6imy6fdw98-treefmt-check.drv