these 5 derivations will be built:
  /nix/store/k9f0jy604z3gg6axxrb4fd1l8wackhxn-closure-info.drv
  /nix/store/f1p08wqq8fwxd6dzd5ikm9v75clqyx1m-test-script.drv
  /nix/store/jsqggxm5x7vnk8b0sj7q7sdxjbcc92mb-driverConfiguration.json.drv
  /nix/store/nw1zd0mw2fpx7j5ar6m14mglydvf33hb-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/blyhka6v8wlpiaglp9hk5027s18q4pa7-container-test-run-iets-grpc-e2e.drv