these 2 derivations will be built:
  /nix/store/dg4dkh9iag1k8rc7s7d7403xhhxpq3a3-nixos-test-driver-index_advisor.drv
  /nix/store/kvv6cnxxylx514j37ymyfj9m3h4nvhim-vm-test-run-index_advisor.drv