these 3 derivations will be built:
  /nix/store/5pdjlx90m5kfwpcr1d4vksl60d30n9k6-treefmt.toml.drv
  /nix/store/r895jlswwsilgr9hqmbswpxbqrficc01-treefmt.drv
  /nix/store/40g6mavhfmqvclkk3ciyk20cnyl48zsw-treefmt-check.drv