these 6 derivations will be built:
  /nix/store/qqzjl3r43srx1vc3vz6pr1qyjsj9hv5f-iets-0.1.0.drv
  /nix/store/8b9c9yxydzhz7fm4p9agigbq7zj52qnj-closure-info.drv
  /nix/store/0sks8c16hrm34z0my2wmh9cyhsrd3q73-test-script.drv
  /nix/store/r5xlr34ink2bkwymn476ky8aa7cn8cr4-driverConfiguration.json.drv
  /nix/store/klvvzh1nrfsv460dbqa1b2i9rcizmymd-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/j0krwg3gqdca8hp2dirr271n7z916isd-container-test-run-iets-grpc-e2e.drv