these 6 derivations will be built:
  /nix/store/3vb8fi2iambaz032qrqpdnc4c145ybv7-iets-0.1.0.drv
  /nix/store/a4jvjm4im4dapy0nfw9ws53vqsizklf3-closure-info.drv
  /nix/store/6yij69b61rpq7cavkj6jqx3v8f6ppx6z-test-script.drv
  /nix/store/4fq45hvdhmjizb5i4603mrs7sxvmclsg-driverConfiguration.json.drv
  /nix/store/x4k8wgd0ly05ihg8jsismlh810v01q8k-nixos-test-driver-iets-classic-e2e.drv
  /nix/store/3hr0agvfni3blyddxdgbw2080373pw5w-container-test-run-iets-classic-e2e.drv