these 5 derivations will be built:
  /nix/store/9viljp7fnp83xiji4canz6p4hzjkxbv3-closure-info.drv
  /nix/store/yk8lchn0vi0dhf5x97z2k2gfnrr6fm14-test-script.drv
  /nix/store/46gfwrmwg4nw8pjwgdbkky9s96r3a0p4-driverConfiguration.json.drv
  /nix/store/6gmy8h3zbmy5gn135b3qqmlwirj44xwg-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/vj3m9cvp4y9h87d4ys4i426avx61qhlr-container-test-run-iets-grpc-e2e.drv