these 6 derivations will be built:
  /nix/store/0wd9i9l5br5k8vaznamcr3hsdk7gxf7i-iets-0.1.0.drv
  /nix/store/88fgnvq0d6p6s2n06bmzy92dc5v0qqyw-closure-info.drv
  /nix/store/wrvqnwf8xvwka0szm8aw58wmpp1bmih5-test-script.drv
  /nix/store/kn8k6i12lnk3i6nqh5g0hi9p61z1gm5s-driverConfiguration.json.drv
  /nix/store/12zk9n3qvxpwwpb5zb8c6sh72zhj236m-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/rfvf66acq643x2phcckingb0lc8i51fk-container-test-run-iets-grpc-e2e.drv