these 6 derivations will be built:
  /nix/store/37l3cw5awml4l0bdhvjfgdsdr0c66ykd-iets-0.1.0.drv
  /nix/store/x24kbic2p7d5k8zg5ys6iapgj1qp9zcp-closure-info.drv
  /nix/store/4djxdab6wg051smcxli05gr718fnfcyv-test-script.drv
  /nix/store/ka5qdq8yfrg311qq76pyp9zy4r822icf-driverConfiguration.json.drv
  /nix/store/swkrarspkvz797f37nwcd4llj07sp0wx-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/f503dqly232cqxwa2pdckjb0zk10zcla-container-test-run-iets-grpc-e2e.drv