these 6 derivations will be built:
  /nix/store/2csq5hk0ipwdngmyhc5vfig7j8wrs3jk-iets-0.1.0.drv
  /nix/store/miwgxsb5cl4h8fxdfrzxcc4pyzw1nhyp-closure-info.drv
  /nix/store/wzv4crb78z9canikdjp4j6hl3sjbii50-test-script.drv
  /nix/store/qj9ka3ml6j6mmqhvslmkp1ap7l326sp6-driverConfiguration.json.drv
  /nix/store/x88qqfz5dyc5hvkrskpqxrfi2rirg5ml-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/qhsqka015ccb6dx4k19m5jsqd749z047-container-test-run-iets-grpc-e2e.drv