these 6 derivations will be built:
  /nix/store/y5dywn9znli4a7bb3licpfb6knccbmws-iets-0.1.0.drv
  /nix/store/phaz7m55i707qgsw40qqh7nvabsayy7y-closure-info.drv
  /nix/store/5nqkndy6wk3c9chss3lqf1yxq0c8i8z8-test-script.drv
  /nix/store/l6lhdhfnxjs6gyjbwhnssrdfvhkgwvpd-driverConfiguration.json.drv
  /nix/store/5v4qrq355dijmgw3aw9jnkc8f8597cf7-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/bkrmlp75gab9jkw04f90zbh0wi9531w6-container-test-run-iets-grpc-e2e.drv