message: Fixed clang build
  Clang is very strict about not allowing structure-binding vars as lambda captures.
diff: @@ -59,7 +59,10 @@ BackendMachine::BackendMachine(const NoiseModel &backendNoiseModel) {
  const auto twoQubitFidelityAvg = [&]() {
  std::vector<std::pair<size_t, size_t>> processedPairs;
  std::vector<std::tuple<size_t, size_t, double>> avgData;
  - for (const auto &[q1, q2, fidelity] : twoQubitFidelity) {
  + for (const auto &fidelity_data : twoQubitFidelity) {
  + const auto q1 = std::get<0>(fidelity_data);
  + const auto q2 = std::get<1>(fidelity_data);
  + const auto fidelity = std::get<2>(fidelity_data);
  if (!xacc::container::contains(processedPairs, std::make_pair(q1, q2))) {
  assert(
  !xacc::container::contains(processedPairs, std::make_pair(q2, q1)));
  