these 6 derivations will be built:
  /nix/store/dym3x3yfrc8cy8bnlycap0bqbqnhdqfz-iets-0.1.0.drv
  /nix/store/bfci9lgdwkrlm94d31adydifyiwh5w6x-closure-info.drv
  /nix/store/8wvqm7n9axrsp635wil41gdbxixadal0-test-script.drv
  /nix/store/45ncic69s0q8qx5r35716gr0jkd9pr07-driverConfiguration.json.drv
  /nix/store/4plz8ixxsh77lz1i56qv2ra6wqkqfp6v-nixos-test-driver-iets-cachetest.drv
  /nix/store/ml7f6s5b2h3cr7hz81pgdsvzbmxzxfb0-container-test-run-iets-cachetest.drv