these 3 derivations will be built:
  /nix/store/17jd76rz79x6kx6c32mmccfyzvva0rn1-treefmt.toml.drv
  /nix/store/3vhrlzlyrcq9a8wi4v6kdpbazv862zk5-treefmt.drv
  /nix/store/qwvzqk5i25ni4zr6k4l6pf64lf1vz7gr-treefmt-check.drv