these 3 derivations will be built:
  /nix/store/3pidmr1wfjq7b59zlkpi8qghks923qzf-hol_guard-3.32.0.tar.gz.drv
  /nix/store/q35l6ayfawfg2nissx54j3dfz8vk137z-hol-guard-3.32.0.drv
  /nix/store/d57bzf5b4czd6dwzsiz5pjxmla8g5z4f-check-hol-guard.drv