these 5 derivations will be built:
  /nix/store/yqc8kwcyzgqj9y9qknb2a96757ac6kg6-closure-info.drv
  /nix/store/z5dq9bif2fj62qlx48d2mc3w9751205v-test-script.drv
  /nix/store/sw8kj2831rcxf3vj5c957ymwqsq5vh3c-driverConfiguration.json.drv
  /nix/store/yk66x2k52n3j371a77kjhdvyn2fqfybv-nixos-test-driver-iets-cachetest.drv
  /nix/store/qysj69nqnzv3ivnfa87iicixnkmqka1r-container-test-run-iets-cachetest.drv