OpenDHT crash

Issue generated from Tuleap's migration script. Originally submitted by: Romain B. (rbertozzi)

OPENDHT\_VERSION := 0.6.1

Version:               Louis-Joseph Papineau (1.0.0)
Code Type:             X86-64 (Native)
Parent Process:        ??? [1]
Responsible:           Ring [14515]
User ID:               503

Date/Time:             2016-06-01 13:56:39.698 -0400
OS Version:            Mac OS X 10.11.5 (15F34)
Report Version:        11

Time Awake Since Boot: 20000 seconds
Time Since Wake:       7700 seconds

System Integrity Protection: enabled

Crashed Thread:        0  Dispatch queue: com.apple.main-thread

Exception Type:        EXC\_BAD\_ACCESS (SIGSEGV)
Exception Codes:       EXC\_I386\_GPFLT
Exception Note:        EXC\_CORPSE\_NOTIFY

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   libopendht.0.dylib                0x000000010de2c980 void std::\_\_1::vector<dht::Dht::Storage, std::\_\_1::allocator<dht::Dht::Storage> >::\_\_emplace\_back\_slow\_path<dht::InfoHash const&, std::\_\_1::chrono::time\_point<std::\_\_1::chrono::steady\_clock, std::\_\_1::chrono::duration<long long, std::\_\_1::ratio<1l, 1000000000l> > > const&>(dht::InfoHash const&&&, std::\_\_1::chrono::time\_point<std::\_\_1::chrono::steady\_clock, std::\_\_1::chrono::duration<long long, std::\_\_1::ratio<1l, 1000000000l> > > const&&&) + 624
1   libopendht.0.dylib                0x000000010de0584d dht::Dht::storageStore(dht::InfoHash const&, std::\_\_1::shared\_ptr<dht::Value> const&, std::\_\_1::chrono::time\_point<std::\_\_1::chrono::steady\_clock, std::\_\_1::chrono::duration<long long, std::\_\_1::ratio<1l, 1000000000l> > >) + 317
2   libopendht.0.dylib                0x000000010de0408c dht::Dht::searchStep(std::\_\_1::shared\_ptr<dht::Dht::Search>) + 4300
3   libopendht.0.dylib                0x000000010de2c1d9 std::\_\_1::\_\_function::\_\_func<std::\_\_1::\_\_bind<void (dht::Dht::\*)(std::\_\_1::shared\_ptr<dht::Dht::Search>), dht::Dht\*, std::\_\_1::shared\_ptr<dht::Dht::Search>&>, std::\_\_1::allocator<std::\_\_1::\_\_bind<void (dht::Dht::\*)(std::\_\_1::shared\_ptr<dht::Dht::Search>), dht::Dht\*, std::\_\_1::shared\_ptr<dht::Dht::Search>&> >, void ()>::operator()() + 73
4   libopendht.0.dylib                0x000000010de21410 dht::Scheduler::run() + 80
5   libopendht.0.dylib                0x000000010de61e47 dht::DhtRunner::loop\_() + 1831
6   libring.0.dylib                   0x000000010bed2abc std::\_\_1::\_\_function::\_\_func<ring::RingAccount::doRegister\_()::$\_6, std::\_\_1::allocator<ring::RingAccount::doRegister\_()::$\_6>, void ()>::operator()() + 44 (\_\_mutex\_base:88)
7   libring.0.dylib                   0x000000010be26ce9 ring::Manager::pollEvents() + 281 (\_\_tree:913)
8   libring.0.dylib                   0x000000010be4d771 DRing::pollEvents() + 17 (ring\_api.cpp:86)
9   org.qt-project.QtCore             0x000000010ba1e5d0 QMetaObject::activate(QObject\*, int, int, void\*\*) + 2528
10  org.qt-project.QtCore             0x000000010ba17120 QObject::event(QEvent\*) + 48
11  org.qt-project.QtWidgets          0x000000010ab8397b QApplicationPrivate::notify\_helper(QObject\*, QEvent\*) + 251
12  org.qt-project.QtWidgets          0x000000010ab862de QApplication::notify(QObject\*, QEvent\*) + 5630
13  org.qt-project.QtCore             0x000000010b9ee4f3 QCoreApplication::notifyInternal(QObject\*, QEvent\*) + 115
14  org.qt-project.QtCore             0x000000010ba3fb42 QTimerInfoList::activateTimers() + 1266
15  libqcocoa.dylib                   0x000000010e4f16d2 QCocoaEventDispatcherPrivate::activateTimersSourceCallback(void\*) + 18
16  com.apple.CoreFoundation          0x00007fff9ce3c881 \_\_CFRUNLOOP\_IS\_CALLING\_OUT\_TO\_A\_SOURCE0\_PERFORM\_FUNCTION\_\_ + 17
17  com.apple.CoreFoundation          0x00007fff9ce1bfbc \_\_CFRunLoopDoSources0 + 556
18  com.apple.CoreFoundation          0x00007fff9ce1b4df \_\_CFRunLoopRun + 927
19  com.apple.CoreFoundation          0x00007fff9ce1aed8 CFRunLoopRunSpecific + 296
20  com.apple.HIToolbox               0x00007fff90b67935 RunCurrentEventLoopInMode + 235
21  com.apple.HIToolbox               0x00007fff90b6776f ReceiveNextEventCommon + 432
22  com.apple.HIToolbox               0x00007fff90b675af \_BlockUntilNextEventMatchingListInModeWithFilter + 71
23  com.apple.AppKit                  0x00007fff8b292df6 \_DPSNextEvent + 1067
24  com.apple.AppKit                  0x00007fff8b292226 -[NSApplication \_nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 454
25  com.apple.AppKit                  0x00007fff8b286d80 -[NSApplication run] + 682
26  com.apple.AppKit                  0x00007fff8b250368 NSApplicationMain + 1176
27  cx.ring                           0x000000010a63ad7d main + 3341
28  libdyld.dylib                     0x00007fff9dc015ad start + 1