these 2 derivations will be built:
  /nix/store/j45l24jss1czsf8k8wv15587nxrh9dw8-nixos-test-driver-index_advisor.drv
  /nix/store/awm5m58vvigai8a4bc0sxw8gzssykj34-vm-test-run-index_advisor.drv