these 6 derivations will be built:
  /nix/store/p2hnlsi6hnqlj3pi8kdy86c2c0rj01lm-iets-0.1.0.drv
  /nix/store/c8q420pdzw4vczdpba0yifxgjbbh65ha-closure-info.drv
  /nix/store/5scgk4r2n7jm9dg7096mlnz0r1ybilqp-test-script.drv
  /nix/store/d705961wbqpg0mkh24kqincyj4ravvsb-driverConfiguration.json.drv
  /nix/store/bi31z88l3nbkvzzn5dychcfwg2cznpkr-nixos-test-driver-iets-flaketest.drv
  /nix/store/zw7ai5wq1qhnk34m4q751yvbjzp3dqj0-container-test-run-iets-flaketest.drv