these 2 derivations will be built:
  /nix/store/qg5sisd8bw0i77sk6mp7hxd2mgsy6gmn-nixos-test-driver-index_advisor.drv
  /nix/store/nnw4ka2pf1jgzvlrfsqz8whajcda162s-vm-test-run-index_advisor.drv