these 6 derivations will be built:
  /nix/store/gyw6n2i6q8b69rwz2fidbacxhca69jfs-iets-0.1.0.drv
  /nix/store/4w67xkjw2kimn84rsq69wxjx6svv18wb-closure-info.drv
  /nix/store/3bwyyksy1n1ddigxrwyj6n7l773hf3wc-test-script.drv
  /nix/store/21vlkjkqyck84023cj2qig8aqg9zrvzn-driverConfiguration.json.drv
  /nix/store/zng7myx4jczgb6hglz4p0qwra58ia60q-nixos-test-driver-iets-classic-e2e.drv
  /nix/store/vgd661q15nila2xk63md53i21fla4a64-container-test-run-iets-classic-e2e.drv