these 3 derivations will be built:
  /nix/store/gg5wz5i0wfrjgdaifz4hqs06f7qxdg5c-treefmt.toml.drv
  /nix/store/h577xmg0z943z3wlmh4miq18a4di94b8-treefmt.drv
  /nix/store/4v9s9mm911wcymimqsvv7y5wca88s6wf-treefmt-check.drv