these 6 derivations will be built:
  /nix/store/p2hnlsi6hnqlj3pi8kdy86c2c0rj01lm-iets-0.1.0.drv
  /nix/store/c8q420pdzw4vczdpba0yifxgjbbh65ha-closure-info.drv
  /nix/store/rv66ak7fq34750k8ckq4ymlv59rsnv8v-test-script.drv
  /nix/store/w3v6n6xrr2j7kb1zf8qz46vz85h6yax4-driverConfiguration.json.drv
  /nix/store/kyhh352rvazjfdagb6k5yvvi2yp2zym7-nixos-test-driver-iets-cachetest.drv
  /nix/store/vcslv4s3sgijl43whmyh8sa8x11rbgnv-container-test-run-iets-cachetest.drv