these 4 derivations will be built:
  /nix/store/dr7bdfl388zm1jc8idjvqajbharhng6w-nil.drv
  /nix/store/9k5gqpf5yaw4qw6r21680lwrksyh7n09-treefmt.toml.drv
  /nix/store/agqalq3lrnpzijvm76d1c0cfklb1qgfp-treefmt.drv
  /nix/store/faw92ncav128xs1ica721qk33a1ybzw7-treefmt-check.drv