these 6 derivations will be built:
  /nix/store/8bx4sxi1gmxwb5dprh5np3s4klcxjzh1-iets-0.1.0.drv
  /nix/store/kf4pa3jc7wvc9mjayv0k3sa1zi9qsjvq-closure-info.drv
  /nix/store/h9k8ckygh1kx211bra763anfdwffpxwi-test-script.drv
  /nix/store/3qm8ghh5n79x09q69nqax2z4mfjz6rf4-driverConfiguration.json.drv
  /nix/store/616x6kc3qbdmrzrxd2fyi4dw3cajxgcm-nixos-test-driver-iets-flaketest.drv
  /nix/store/5118pvvbk2pr3vpcrh09p19fr3g7jrm7-container-test-run-iets-flaketest.drv