these 6 derivations will be built:
  /nix/store/25gv80vkncdll4lc8rs303bx873d6wb7-iets-0.1.0.drv
  /nix/store/x5ca8r008qxlygcmkqrihkskx7bbralc-closure-info.drv
  /nix/store/l8a4j10m60rv6g1a0rk8gkvdv99hb8rj-test-script.drv
  /nix/store/2mwbgvyajxwlrhxp1cbili6iv9vkvl8l-driverConfiguration.json.drv
  /nix/store/2jalll2pl8smmy436qi24v6xb0dnw6fm-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/w4f7vdvaqpm599alvkfkblb2ipgvpn04-container-test-run-iets-grpc-e2e.drv