these 6 derivations will be built:
  /nix/store/z1ck2p136v0iq7x76b5wfq3q7pgq9sns-iets-0.1.0.drv
  /nix/store/57nkr77zs7y190fvk27077sq8mlk639h-closure-info.drv
  /nix/store/3m4zkdfdv3kdigg2ahybgjj5gr2ljixh-test-script.drv
  /nix/store/45zpzvq5bbc6xk89n5a00y7b79993vrp-driverConfiguration.json.drv
  /nix/store/870l9ddn8pcbfsnqm95as144ij1zil6w-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/lq7a09a0j7x2gb5z73qzyrm33j7ryc9d-container-test-run-iets-grpc-e2e.drv