these 2 derivations will be built:
  /nix/store/80gm6v9gpiganc9cya10ln8a7d4rwyv7-nixos-test-driver-index_advisor.drv
  /nix/store/sp5rvn9smzc5fayj2ckxp2jlx0wng1q3-vm-test-run-index_advisor.drv