these 6 derivations will be built:
  /nix/store/1m0vidkikvfacdmy9p7m27min02axija-iets-0.1.0.drv
  /nix/store/642cyy383mxv94hg8dcqchh91afilydf-closure-info.drv
  /nix/store/sv1vxxkg9i02hc3qyfqsdql2lwz1cqjc-test-script.drv
  /nix/store/89hzds67h5cd3yk08pc8fc94dxszxxvn-driverConfiguration.json.drv
  /nix/store/7akj8pd3wqm5wlm6lzg54kaxi7wr67d7-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/1y561q04hxxj1i2rlnx79q93ydi57yyp-container-test-run-iets-grpc-e2e.drv