these 2 derivations will be built:
  /nix/store/cb3hlfr3hv1x9pflhjbzy6na9phnvz0i-nixos-test-driver-index_advisor.drv
  /nix/store/6akc2w9nfayhc0q5ryagp35kd9prnf9s-vm-test-run-index_advisor.drv
building '/nix/store/cb3hlfr3hv1x9pflhjbzy6na9phnvz0i-nixos-test-driver-index_advisor.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247'