these 6 derivations will be built:
  /nix/store/6zapc28jh3hcl47gfrz216y6w7dhg045-iets-0.1.0.drv
  /nix/store/sf1wggcm9rahjcl1lzk0jd5cf3i8jyx4-closure-info.drv
  /nix/store/97rk4wnf4jhvac19sn8zbrs4icfly1w3-test-script.drv
  /nix/store/dm7085hlp79imi3y8mwx26dxszqy9llf-driverConfiguration.json.drv
  /nix/store/vc7vqwnhn75kpvic1cjd8apfyy4fh6s4-nixos-test-driver-iets-cachetest.drv
  /nix/store/kc7fxd5ndzls4dczfw32av3n1nwps9vj-container-test-run-iets-cachetest.drv