these 6 derivations will be built:
  /nix/store/8q5yf2ygyjrhf0p3zxb7wvh1ba44zjyq-iets-0.1.0.drv
  /nix/store/ild5dvmcf8livf9d16dnrv68vqwrpmdp-closure-info.drv
  /nix/store/pv7gvpxxkkg4qn2z05idrihzafvvmllh-test-script.drv
  /nix/store/5y9f2qk02mxjs9vqsij6vadvgvv79gjk-driverConfiguration.json.drv
  /nix/store/bjskk7qcp8hhck6rirl7pqm7sja7l301-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/wfhzq6mvmss2hddjl11dhdvfx1ab2dnv-container-test-run-iets-grpc-e2e.drv