these 4 derivations will be built:
  /nix/store/vgapbqy3m69c61xbvdbyr1dazydcrq18-test-script.drv
  /nix/store/3dfhd417yyqv7w4j787076y97pq2giz2-driverConfiguration.json.drv
  /nix/store/9gk9d0lzjbzjf3cnq8m8g2x95qc23an7-nixos-test-driver-iets-cachetest.drv
  /nix/store/ybf51ckkx90a65dc5115br38dg7kkc40-container-test-run-iets-cachetest.drv