these 6 derivations will be built:
  /nix/store/ppmgdmn16zkzynksd03qyhym3z1b9pgq-iets-0.1.0.drv
  /nix/store/9zif9w8nh3nvrzq8h676pal074ilswg3-closure-info.drv
  /nix/store/c9x015b9k1aa5a204wi1fvavmzdfnkql-test-script.drv
  /nix/store/777pprpl92jkxyq35f3xgkjp8bw2ziy1-driverConfiguration.json.drv
  /nix/store/pfmssdkw30x9zb0dl29bnzh661y5df7z-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/bxp6kp48npy27m6qx4ny1hl3f9ijb9lm-container-test-run-iets-grpc-e2e.drv