these 6 derivations will be built:
  /nix/store/ai04l7sxlidm08zgvnlragrg9zr3k4w5-iets-0.1.0.drv
  /nix/store/0k3iv4lkpx3vfgqm47l9q6h2nb59hvhk-closure-info.drv
  /nix/store/zaj7wzxcw0sf909mrb2jxgg4796z4avh-test-script.drv
  /nix/store/i5pfn7vd68jsqpz69qnhwas3g5liar8a-driverConfiguration.json.drv
  /nix/store/yx0pxp6hp5wy3mprhxyq20ig2xipxk2b-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/s9mpa82hhhjcgkjyjfkh3yp02yvngd52-container-test-run-iets-grpc-e2e.drv