Calling credentials.container.create({publicKey}) or get({publicKey}) with a one second timeout leads to this crash, at least on Linux. I found this accidentally, as a one second timeout isn't really reasonable in the real world, but we should handle this gracefully.

[16219:16219:0206/140613.467034:FATAL:scoped_refptr.h(219)] Check failed: ptr_. 
#0 0x7fdf06a0463c base::debug::StackTrace::StackTrace()
#1 0x7fdf06a2eccc logging::LogMessage::~LogMessage()
#2 0x7fdf046082e2 device::U2fBleDiscovery::~U2fBleDiscovery()
#3 0x7fdf0460838e device::U2fBleDiscovery::~U2fBleDiscovery()
#4 0x7fdf046103db device::U2fRequest::~U2fRequest()
#5 0x7fdf0460f31e device::U2fRegister::~U2fRegister()
#6 0x7fdf0450111b content::AuthenticatorImpl::OnTimeout()
#7 0x7fdf06abf3e8 base::Timer::RunScheduledTask()
#8 0x7fdf06a04f5a base::debug::TaskAnnotator::RunTask()
#9 0x7fdf06a397a6 base::internal::IncomingTaskQueue::RunTask()
#10 0x7fdf06a3da87 base::MessageLoop::RunTask()
#11 0x7fdf06a3dea4 base::MessageLoop::DeferOrRunPendingTask()
#12 0x7fdf06a3e474 base::MessageLoop::DoDelayedWork()
#13 0x7fdf06a3feb5 base::(anonymous namespace)::WorkSourceDispatch()
#14 0x7fdefbfa77f7 g_main_context_dispatch
#15 0x7fdefbfa7a60 <unknown>
#16 0x7fdefbfa7b0c g_main_context_iteration
#17 0x7fdf06a3fbc2 base::MessagePumpGlib::Run()
#18 0x7fdf06a3d2dc base::MessageLoop::Run()
#19 0x7fdf06a75ac6 base::RunLoop::Run()
#20 0x55df9a12bd47 ChromeBrowserMainParts::MainMessageLoopRun()
#21 0x7fdf03f68c37 content::BrowserMainLoop::RunMainMessageLoopParts()
#22 0x7fdf03f6c353 content::BrowserMainRunnerImpl::Run()
#23 0x7fdf03f64a5a content::BrowserMain()
#24 0x7fdf049c533b content::RunNamedProcessTypeMain()
#25 0x7fdf049c6487 content::ContentMainRunnerImpl::Run()
#26 0x7fdf06f17614 service_manager::Main()
#27 0x7fdf049c47d1 content::ContentMain()
#28 0x55df99bcf1cb ChromeMain
#29 0x7fdefa6a22b1 __libc_start_main
#30 0x55df99bcf02a _start

Received signal 6
#0 0x7fdf06a0463c base::debug::StackTrace::StackTrace()
#1 0x7fdf06a04111 base::debug::(anonymous namespace)::StackDumpSignalHandler()
#2 0x7fdf06b5c0c0 <unknown>
#3 0x7fdefa6b4fcf gsignal
#4 0x7fdefa6b63fa abort
#5 0x7fdf06a018c5 base::debug::BreakDebugger()
#6 0x7fdf06a2f0d9 logging::LogMessage::~LogMessage()
#7 0x7fdf046082e2 device::U2fBleDiscovery::~U2fBleDiscovery()
#8 0x7fdf0460838e device::U2fBleDiscovery::~U2fBleDiscovery()
#9 0x7fdf046103db device::U2fRequest::~U2fRequest()
#10 0x7fdf0460f31e device::U2fRegister::~U2fRegister()
#11 0x7fdf0450111b content::AuthenticatorImpl::OnTimeout()
#12 0x7fdf06abf3e8 base::Timer::RunScheduledTask()
#13 0x7fdf06a04f5a base::debug::TaskAnnotator::RunTask()
#14 0x7fdf06a397a6 base::internal::IncomingTaskQueue::RunTask()
#15 0x7fdf06a3da87 base::MessageLoop::RunTask()
#16 0x7fdf06a3dea4 base::MessageLoop::DeferOrRunPendingTask()
#17 0x7fdf06a3e474 base::MessageLoop::DoDelayedWork()
#18 0x7fdf06a3feb5 base::(anonymous namespace)::WorkSourceDispatch()
#19 0x7fdefbfa77f7 g_main_context_dispatch
#20 0x7fdefbfa7a60 <unknown>
#21 0x7fdefbfa7b0c g_main_context_iteration
#22 0x7fdf06a3fbc2 base::MessagePumpGlib::Run()
#23 0x7fdf06a3d2dc base::MessageLoop::Run()
#24 0x7fdf06a75ac6 base::RunLoop::Run()
#25 0x55df9a12bd47 ChromeBrowserMainParts::MainMessageLoopRun()
#26 0x7fdf03f68c37 content::BrowserMainLoop::RunMainMessageLoopParts()
#27 0x7fdf03f6c353 content::BrowserMainRunnerImpl::Run()
#28 0x7fdf03f64a5a content::BrowserMain()
#29 0x7fdf049c533b content::RunNamedProcessTypeMain()
#30 0x7fdf049c6487 content::ContentMainRunnerImpl::Run()
#31 0x7fdf06f17614 service_manager::Main()
#32 0x7fdf049c47d1 content::ContentMain()
#33 0x55df99bcf1cb ChromeMain
#34 0x7fdefa6a22b1 __libc_start_main
#35 0x55df99bcf02a _start
  r8: 0000000000000000  r9: 00007fff85ab4b10 r10: 0000000000000008 r11: 0000000000000246
 r12: 00007fff85ab5218 r13: 00007fff85ab5208 r14: 00007fff85ab5210 r15: 00007fff85ab4da9
  di: 0000000000000002  si: 00007fff85ab4b10  bp: 00007fff85ab4d50  bx: 0000000000000006
  dx: 0000000000000000  ax: 0000000000000000  cx: 00007fdefa6b4fcf  sp: 00007fff85ab4b88
  ip: 00007fdefa6b4fcf efl: 0000000000000246 cgf: 002b000000000033 erf: 0000000000000000
 trp: 0000000000000000 msk: 0000000000000000 cr2: 0000000000000000
[end of stack trace]
Calling _exit(1). Core file will not be generated.