these 6 derivations will be built:
  /nix/store/my5nrbbc7pf4chvnkrfzqy74kb62ybvz-iets-0.1.0.drv
  /nix/store/iryy3k61fzi5fjwjimykbs7mprxw31sy-closure-info.drv
  /nix/store/azrd9nqbk5acmn88l1mms1k73k4hdh3y-test-script.drv
  /nix/store/rwfgnz18r649ljl6jav8alk2nsr7z0q7-driverConfiguration.json.drv
  /nix/store/dwbr0pr7y6ik64myyf0fxrrnncznsaa1-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/qk5vmjppz80341y589hfwdi73d8hzmwj-container-test-run-iets-grpc-e2e.drv