these 5 derivations will be built:
  /nix/store/9qavgxfs61cq11xfyg3afcdf3xqblr6g-nix-grpc-e2e.drv
  /nix/store/dkwwy5x15gydnh4q52qplf05s8ddimc2-test-script.drv
  /nix/store/jc2n4a4p61ls5lk8aa5qgx7wk9vcg608-driverConfiguration.json.drv
  /nix/store/xk9fdgr1jss9f37xklf2l77m745dycvg-nixos-test-driver-nix-grpc-store.drv
  /nix/store/07srq6z69x39m0b2gzsl69w7v5k6hbfq-vm-test-run-nix-grpc-store.drv