these 3 derivations will be built:
  /nix/store/225awp6p8d9w3hykqnws9fqmqaqjl7d2-treefmt.toml.drv
  /nix/store/kdciaj6q5rjsrv27fy9p17pgyag96xjj-treefmt.drv
  /nix/store/k3ngpzmkyz017xp935i6bh1ln6hyxwjz-treefmt-check.drv