these 6 derivations will be built:
  /nix/store/xb8g93ij34k2q76l1gdmpanvlwrx45yf-iets-0.1.0.drv
  /nix/store/3k9abqphclq975ynh2ixdlp0np44vrdw-closure-info.drv
  /nix/store/n25k0f2i6cw5izf7sk6wcnnjdww5y0c4-test-script.drv
  /nix/store/104h9a2fdkqm6sc7j0niq6aczbfmgsgx-driverConfiguration.json.drv
  /nix/store/k97v1z8ll0wp0jndyilyz57j8si9qbyg-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/dk1c1jk1dnh0y0i4b05r725pgmqsscli-container-test-run-iets-grpc-e2e.drv