(libc.so.6 -raise.c:51)   raise
(libc.so.6 -abort.c:79)   abort
(libflutter_engine.so -assert.cc:44)    dart::Assert::Fail(char const*, ...)
(libflutter_engine.so -dart_api_impl.cc:1695)   Dart_EnterIsolate
(libflutter_engine.so + offset) tonic::DartWeakPersistentValue::Clear()
(libflutter_engine.so + offset) tonic::DartWeakPersistentValue::Clear()
(libflutter_engine.so + offset) tonic::DartWeakPersistentValue::~DartWeakPersistentValue()
(libflutter_engine.so + offset) flutter::ImageDescriptor::~ImageDescriptor()
(libflutter_engine.so + offset) fml::internal::CopyableLambda<flutter::ImageDecoder::Decode(fml::RefPtr<flutter::ImageDescriptor>, unsigned int, unsigned int, std::__1::function<void (flutter::SkiaGPUObject<SkImage>)> const&)::$_1::operator()()::'lambda'()>::~CopyableLambda()
(libflutter_engine.so + offset) std::__1::__function::__func<fml::internal::CopyableLambda<flutter::ImageDecoder::Decode(fml::RefPtr<flutter::ImageDescriptor>, unsigned int, unsigned int, std::__1::function<void (flutter::SkiaGPUObject<SkImage>)> const&)::$_1::operator()()::'lambda'()>, std::__1::allocator<fml::internal::CopyableLambda<flutter::ImageDecoder::Decode(fml::RefPtr<flutter::ImageDescriptor>, unsigned int, unsigned int, std::__1::function<void (flutter::SkiaGPUObject<SkImage>)> const&)::$_1::operator()()::'lambda'()> >, void ()>::destroy_deallocate()
(libflutter_engine.so + offset) fml::MessageLoopImpl::FlushTasks(fml::FlushType)
(libflutter_engine.so + offset) fml::MessageLoopLinux::Run()
(libflutter_engine.so + offset) fml::MessageLoopImpl::DoRun()
(libflutter_engine.so + offset) void* std::__1::__thread_proxy<std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, fml::Thread::Thread(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)::$_0> >(void*)
(libpthread.so.0 -pthread_create.c:463)   start_thread