these 6 derivations will be built:
  /nix/store/9b8fqb9gqirbwjbpa65zk2qvld0azln8-iets-0.1.0.drv
  /nix/store/1m9ydgf2kjzjcfizl3fg3rvln66ivc2d-closure-info.drv
  /nix/store/6d008nb17030wyb94zzq2frp7kw4s5rx-test-script.drv
  /nix/store/x4bkq68q2n7fn8lfjlqg2va65nj1lcfl-driverConfiguration.json.drv
  /nix/store/h3w3aha1xhdngk08rg502zssd9p9sk9c-nixos-test-driver-iets-flaketest.drv
  /nix/store/hqvjzbgh6c9cgy286gaw1ck94d9bzmrx-container-test-run-iets-flaketest.drv