#9 google::protobuf::internal::LogMessage::Finish() at common.cc:269
  #10 google::protobuf::internal::LogFinisher::operator=(google::protobuf::internal::LogMessage&) at common.cc:277
  #11 google::protobuf::RepeatedPtrField<envoy::api::v2::core::GrpcService>::TypeHandler::Type const& google::protobuf::internal::RepeatedPtrFieldBase::Get<google::protobuf::RepeatedPtrField<envoy::api::v2::core::GrpcService>::TypeHandler>(int) const at repeated_field.h:1522
  #12 google::protobuf::RepeatedPtrField<envoy::api::v2::core::GrpcService>::Get(int) const at repeated_field.h:1989
  #13 envoy::api::v2::core::ApiConfigSource::grpc_services(int) const at config_source.pb.h:621
  #14 Envoy::Config::Utility::factoryForGrpcApiConfigSource(Envoy::Grpc::AsyncClientManager&, envoy::api::v2::core::ApiConfigSource const&, Envoy::Stats::Scope&) at utility.cc:221
  #15 std::unique_ptr<Envoy::Config::Subscription<envoy::api::v2::Cluster>, std::default_delete<Envoy::Config::Subscription<envoy::api::v2::Cluster> > > Envoy::Config::SubscriptionFactory::subscriptionFromConfigSource<envoy::api::v2::Cluster>(envoy::api::v2::core::ConfigSource const&, envoy::api::v2::core::Node const&, Envoy::Event::Dispatcher&, Envoy::Upstream::ClusterManager&, Envoy::Runtime::RandomGenerator&, Envoy::Stats::Scope&, std::function<Envoy::Config::Subscription<envoy::api::v2::Cluster>* ()>, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) at subscription_factory.h:68
  #16 CdsApiImpl at cds_api_impl.cc:36
  #17 Envoy::Upstream::CdsApiImpl::create(envoy::api::v2::core::ConfigSource const&, absl::optional<envoy::api::v2::core::ConfigSource> const&, Envoy::Upstream::ClusterManager&, Envoy::Event::Dispatcher&, Envoy::Runtime::RandomGenerator&, Envoy::LocalInfo::LocalInfo const&, Envoy::Stats::Scope&) at cds_api_impl.cc:24
  #18 Envoy::Upstream::ProdClusterManagerFactory::createCds(envoy::api::v2::core::ConfigSource const&, absl::optional<envoy::api::v2::core::ConfigSource> const&, Envoy::Upstream::ClusterManager&) at cluster_manager_impl.cc:898
  #19 Envoy::Upstream::ValidationClusterManagerFactory::createCds(envoy::api::v2::core::ConfigSource const&, absl::optional<envoy::api::v2::core::ConfigSource> const&, Envoy::Upstream::ClusterManager&) at cluster_manager.cc:27
  #20 ClusterManagerImpl at cluster_manager_impl.cc:273
  #21 ValidationClusterManager at cluster_manager.cc:37
  #22 Envoy::Upstream::ValidationClusterManagerFactory::clusterManagerFromProto(envoy::config::bootstrap::v2::Bootstrap const&, Envoy::Stats::Store&, Envoy::ThreadLocal::Instance&, Envoy::Runtime::Loader&, Envoy::Runtime::RandomGenerator&, Envoy::LocalInfo::LocalInfo const&, Envoy::AccessLog::AccessLogManager&) at cluster_manager.cc:18
  #23 Envoy::Server::Configuration::MainImpl::initialize(envoy::config::bootstrap::v2::Bootstrap const&, Envoy::Server::Instance&, Envoy::Upstream::ClusterManagerFactory&) at configuration_impl.cc:48
  #24 ConfigTest at config_test.cc:70
  #25 Envoy::ConfigTest::run(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) at config_test.cc:114
  #26 Envoy::LyftConfigTest_All_Test::TestBody() at lyft_config_test.cc:26
  #27 void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) at gtest.cc:2457
  #28 testing::Test::Run() at gtest.cc:2473
  #29 testing::TestInfo::Run() at gtest.cc:2655
  #30 testing::TestCase::Run() at gtest.cc:2773
  #31 testing::internal::UnitTestImpl::RunAllTests() at gtest.cc:4673
  #32 bool testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) at gtest.cc:2457
  #33 testing::UnitTest::Run() at gtest.cc:4281
  #34 RUN_ALL_TESTS() at gtest.h:2237
  #35 Envoy::TestRunner::RunTests(int, char**) at test_runner.h:34
  #36 main at main.cc:35

terminate called after throwing an instance of 'google::protobuf::FatalException'
  what():  CHECK failed: (index) < (current_size_):