these 3 derivations will be built:
  /nix/store/349fn77jv6qkr0p9z37hk9g6lznp9j9w-treefmt.toml.drv
  /nix/store/lxk2f95kafdf5mv7dxrcwdzdjxzzy7l5-treefmt.drv
  /nix/store/r4bflzs2nfgmwcji0fqk49xj1mvq7w5s-treefmt-check.drv