these 6 derivations will be built:
  /nix/store/2ncmz00d9nzff3kj00plmqwj7b005amg-iets-0.1.0.drv
  /nix/store/6dhfczf3bx7khl1vpvfsm19wl1rmb5g3-closure-info.drv
  /nix/store/yshirpi3szss2vv7gbbhxypqngcw45sb-test-script.drv
  /nix/store/cxsnk4ai7bwzpcbjkbskqz5a23xf2y59-driverConfiguration.json.drv
  /nix/store/zf0yfwvpr2ir7mp8dkk5wpra0r8z5n98-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/j0b6gh6pr8mdjnwx3w2lqqddqyrvj8pq-container-test-run-iets-grpc-e2e.drv