these 6 derivations will be built:
  /nix/store/ppmgdmn16zkzynksd03qyhym3z1b9pgq-iets-0.1.0.drv
  /nix/store/ad5iy27l2palxpl445syzsps0dsc1ca3-closure-info.drv
  /nix/store/6a4gbvvj4vhp05l2ls8wdz34k8y195hw-test-script.drv
  /nix/store/x664jqc1in847vm9hlcjs730y90ph442-driverConfiguration.json.drv
  /nix/store/zac47bqdrh5a2ckpkjpqn4jf6jpwkb4g-nixos-test-driver-iets-cachetest.drv
  /nix/store/ypslprn8dizjb4w248c79q23h973nxdv-container-test-run-iets-cachetest.drv