these 6 derivations will be built:
  /nix/store/b1kk9fbzilbmmdc4i6shny8r13s1x16q-iets-0.1.0.drv
  /nix/store/ybpsbr6ir56g82fx8jxc8pr8sfakfn4m-closure-info.drv
  /nix/store/zb3rygrv2na3ml43yl9yrrzwff56m339-test-script.drv
  /nix/store/rcx42q5n39liwrnp7dgi6ilqhs4d0n7w-driverConfiguration.json.drv
  /nix/store/zk1r07ngcq48brxcl0qa8khdipysb51r-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/kbnqq5zcin221xbn7c3ny9sf52jm8kfq-container-test-run-iets-grpc-e2e.drv