these 6 derivations will be built:
  /nix/store/wpq6hag0zcf5j7pj25g5gnfgw8gbm534-iets-0.1.0.drv
  /nix/store/isfrl53lmxr44ydn77jylmsiajzd5v1n-closure-info.drv
  /nix/store/rhjxgbd47mizis7fbmsjq9y4ax4lnj48-test-script.drv
  /nix/store/b4zcfnln16va2dsj77wlmfigxya782a0-driverConfiguration.json.drv
  /nix/store/whvd00sm1dz5pvc68g6mrykm4yc5snlx-nixos-test-driver-iets-flaketest.drv
  /nix/store/amkj6dyp4qqv6ik5qdsfb3yw3z7jkn0l-container-test-run-iets-flaketest.drv