these 2 derivations will be built:
  /nix/store/7pkqn7dlanakryjraaiyfhps3n5xcbdr-nixos-test-driver-index_advisor.drv
  /nix/store/ba4wqzadwk6xfwx7j2p14ysgg7qlrf8j-vm-test-run-index_advisor.drv