these 6 derivations will be built:
  /nix/store/78wbja704snxn8ylz0azxbrjz89aw9rg-iets-0.1.0.drv
  /nix/store/2gpzqm9qa9hqq0q2psy5mr2nzkgp3kii-closure-info.drv
  /nix/store/2gmfxsgnh43jyi3cdvxhpzd2h9pcqmx6-test-script.drv
  /nix/store/yc6nvgn372pfamsg2389vk4p4haliwrj-driverConfiguration.json.drv
  /nix/store/z43wz1357x4im9rnlpxnk4s8j8v2qkk6-nixos-test-driver-iets-cachetest.drv
  /nix/store/kqshv9kdm44qivmwlfcjpjik2wvnsl6h-container-test-run-iets-cachetest.drv