these 6 derivations will be built:
  /nix/store/25gv80vkncdll4lc8rs303bx873d6wb7-iets-0.1.0.drv
  /nix/store/ihvgwjdrk1i9sx0vgz0j7bkwig9yvp4n-closure-info.drv
  /nix/store/zglswqfhzhpzzynvxmfq54swgph64j78-test-script.drv
  /nix/store/6d57rly0nybrcwjzvi1jcfia8iqb0scn-driverConfiguration.json.drv
  /nix/store/npsycqa46kydwann8ym26hgzv5vddhp0-nixos-test-driver-iets-cachetest.drv
  /nix/store/8griwfp9xawyns6ckvzp1kz9sf29kdx9-container-test-run-iets-cachetest.drv