these 4 derivations will be built:
  /nix/store/34zymk923gd532pn46cqzz82lk8xifha-test-script.drv
  /nix/store/5ahqxq0f3x8ldx2acsxar6wzlm5bcqlc-driverConfiguration.json.drv
  /nix/store/hbi13lzpjb2nac093nh0hlc8zaancrdm-nixos-test-driver-iets-cachetest.drv
  /nix/store/zivy9lr8qpfyb2n6y9zzys67s3fdw4iz-container-test-run-iets-cachetest.drv