these 3 derivations will be built:
  /nix/store/5vhj17zi0s8j6yn5z55bcznb84dr670w-treefmt.toml.drv
  /nix/store/fpavznvx0z8i373793gvl0k5hcx8f954-treefmt.drv
  /nix/store/0ld1ljm864d5abn0zx01lljkq9c21ivv-nix-shell.drv