these 3 derivations will be built:
  /nix/store/cfks0npsvrwam2y18ksxpzcayc3q41ml-hol_guard-3.24.0.tar.gz.drv
  /nix/store/vl658738130sg7lqjpxr7kiaabyhykyn-hol-guard-3.24.0.drv
  /nix/store/qx8j06j4nkz6slii5m4kmr57gii9v221-check-hol-guard.drv