these 5 derivations will be built:
  /nix/store/4plhblyw5z902i7i1fhvpp6jjbni1bw0-closure-info.drv
  /nix/store/m1pirmjjgfw30q9cphjg734gf272ngcj-test-script.drv
  /nix/store/8k6f0fkcc5077m44bzxxhw671vpzg4vw-driverConfiguration.json.drv
  /nix/store/23dmlh7p0xkb1qgki8hdf9lj817d8lj7-nixos-test-driver-iets-cachetest.drv
  /nix/store/n05zsa7xi77ihxh454csvc0f9m6kq8jz-container-test-run-iets-cachetest.drv