these 6 derivations will be built:
  /nix/store/xy5vjgnmrlq106ik3lpbah9riad9g4j6-iets-0.1.0.drv
  /nix/store/4p348hvxam9njz5n9v1vfk5dcvjss2i7-closure-info.drv
  /nix/store/0zdwicsdmisyzhzkgvmjmqw7b2yh7q71-test-script.drv
  /nix/store/zfam2ifwra37vbd7va4xyn178cl3wifk-driverConfiguration.json.drv
  /nix/store/2ckckimvacmz24s2gnwhn1aaaaiy13ld-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/zkprb7h5vgkx1sr0rnrrs1iadgbijd4p-container-test-run-iets-grpc-e2e.drv