these 6 derivations will be built:
  /nix/store/arabxmvw6fqq3j31jsk197bs9d2bnnif-iets-0.1.0.drv
  /nix/store/z5sgfkyqyg1yaxyv6bf3vn5ki00l7cz7-closure-info.drv
  /nix/store/plwn9fdqlvvx5gsxpprsjqmxlnzp6c68-test-script.drv
  /nix/store/vk58q4a29h62sps5qliv64b1cd5gjbpf-driverConfiguration.json.drv
  /nix/store/y6qx3pbanbcwnx04ffxxhyrjf3s80jrj-nixos-test-driver-iets-cachetest.drv
  /nix/store/g6vpvjizg32znpyls7jksnn5d3hffgz7-container-test-run-iets-cachetest.drv