these 3 derivations will be built:
  /nix/store/x3pg5wyh2qnkxbffvxw12arr6xjcnxmd-treefmt.toml.drv
  /nix/store/ifjbnjqpi6w7yn1b8nsm68px4aklqjyv-treefmt.drv
  /nix/store/nda4zg8k55lk5pivlx8zkq2w78cgha3y-treefmt-check.drv