Unexpected crashes on OS X

Here's the crash log of the crash:

Process: Qt Creator [37046]
Path: /Users/USER/*/Qt Creator.app/Contents/MacOS/Qt Creator
Identifier: org.qt-project.qtcreator
Version: 3.5.1 (3.5.1)
Code Type: X86-64 (Native)
Parent Process: ??? [1]
Responsible: Qt Creator [37046]
User ID: 501

Date/Time: 2015-12-13 18:04:07.935 -0600
OS Version: Mac OS X 10.10.5 (14F1021)
Report Version: 11

Time Awake Since Boot: 370000 seconds
Time Since Wake: 1000 seconds

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

Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x00000014000000d0

VM Regions Near 0x14000000d0:
mapped file 000000012134c000-0000000124aaf000 [ 55.4M] r--/rwx SM=COW /System/Library/Fonts/Apple Color Emoji.ttf
-->
MALLOC_NANO 0000600000000000-0000600000600000 [ 6144K] rw-/rwx SM=COW

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 libTextEditor.dylib 0x00000001107c2704 TextEditor::FunctionHintProposalWidget::eventFilter(QObject*, QEvent*) + 340
1 org.qt-project.QtCore 0x0000000109fd5bac QCoreApplicationPrivate::sendThroughApplicationEventFilters(QObject*, QEvent*) + 220
2 org.qt-project.QtWidgets 0x00000001092503dc QApplicationPrivate::notify_helper(QObject*, QEvent*) + 28
3 org.qt-project.QtWidgets 0x000000010925389e QApplication::notify(QObject*, QEvent*) + 8318
4 org.qt-project.QtCore 0x0000000109fd5983 QCoreApplication::notifyInternal(QObject*, QEvent*) + 115
5 org.qt-project.QtWidgets 0x000000010928f943 QWidget::event(QEvent*) + 4051
6 org.qt-project.QtWidgets 0x000000010938276d QFrame::event(QEvent*) + 45
7 org.qt-project.QtWidgets 0x00000001092504bb QApplicationPrivate::notify_helper(QObject*, QEvent*) + 251
8 org.qt-project.QtWidgets 0x000000010925389e QApplication::notify(QObject*, QEvent*) + 8318
9 org.qt-project.QtCore 0x0000000109fd5983 QCoreApplication::notifyInternal(QObject*, QEvent*) + 115
10 org.qt-project.QtWidgets 0x000000010928f943 QWidget::event(QEvent*) + 4051
11 org.qt-project.QtWidgets 0x00000001092504bb QApplicationPrivate::notify_helper(QObject*, QEvent*) + 251
12 org.qt-project.QtWidgets 0x000000010925389e QApplication::notify(QObject*, QEvent*) + 8318
13 org.qt-project.QtCore 0x0000000109fd5983 QCoreApplication::notifyInternal(QObject*, QEvent*) + 115
14 org.qt-project.QtWidgets 0x000000010928f943 QWidget::event(QEvent*) + 4051
15 org.qt-project.QtWidgets 0x00000001092504bb QApplicationPrivate::notify_helper(QObject*, QEvent*) + 251
16 org.qt-project.QtWidgets 0x000000010925389e QApplication::notify(QObject*, QEvent*) + 8318
17 org.qt-project.QtCore 0x0000000109fd5983 QCoreApplication::notifyInternal(QObject*, QEvent*) + 115
18 org.qt-project.QtWidgets 0x000000010928f943 QWidget::event(QEvent*) + 4051
19 org.qt-project.QtWidgets 0x00000001092504bb QApplicationPrivate::notify_helper(QObject*, QEvent*) + 251
20 org.qt-project.QtWidgets 0x000000010925389e QApplication::notify(QObject*, QEvent*) + 8318
21 org.qt-project.QtCore 0x0000000109fd5983 QCoreApplication::notifyInternal(QObject*, QEvent*) + 115
22 org.qt-project.QtWidgets 0x000000010928f943 QWidget::event(QEvent*) + 4051
23 org.qt-project.QtWidgets 0x00000001092504bb QApplicationPrivate::notify_helper(QObject*, QEvent*) + 251
24 org.qt-project.QtWidgets 0x000000010925389e QApplication::notify(QObject*, QEvent*) + 8318
25 org.qt-project.QtCore 0x0000000109fd5983 QCoreApplication::notifyInternal(QObject*, QEvent*) + 115
26 org.qt-project.QtWidgets 0x000000010928f943 QWidget::event(QEvent*) + 4051
27 org.qt-project.QtWidgets 0x00000001092504bb QApplicationPrivate::notify_helper(QObject*, QEvent*) + 251
28 org.qt-project.QtWidgets 0x000000010925389e QApplication::notify(QObject*, QEvent*) + 8318
29 org.qt-project.QtCore 0x0000000109fd5983 QCoreApplication::notifyInternal(QObject*, QEvent*) + 115
30 org.qt-project.QtWidgets 0x000000010928f943 QWidget::event(QEvent*) + 4051
31 org.qt-project.QtWidgets 0x00000001092504bb QApplicationPrivate::notify_helper(QObject*, QEvent*) + 251
32 org.qt-project.QtWidgets 0x000000010925389e QApplication::notify(QObject*, QEvent*) + 8318
33 org.qt-project.QtCore 0x0000000109fd5983 QCoreApplication::notifyInternal(QObject*, QEvent*) + 115
34 org.qt-project.QtWidgets 0x000000010928f943 QWidget::event(QEvent*) + 4051
35 org.qt-project.QtWidgets 0x00000001092504bb QApplicationPrivate::notify_helper(QObject*, QEvent*) + 251
36 org.qt-project.QtWidgets 0x000000010925389e QApplication::notify(QObject*, QEvent*) + 8318
37 org.qt-project.QtCore 0x0000000109fd5983 QCoreApplication::notifyInternal(QObject*, QEvent*) + 115
38 org.qt-project.QtWidgets 0x000000010928f943 QWidget::event(QEvent*) + 4051
39 org.qt-project.QtWidgets 0x00000001092504bb QApplicationPrivate::notify_helper(QObject*, QEvent*) + 251
40 org.qt-project.QtWidgets 0x000000010925389e QApplication::notify(QObject*, QEvent*) + 8318
41 org.qt-project.QtCore 0x0000000109fd5983 QCoreApplication::notifyInternal(QObject*, QEvent*) + 115
42 org.qt-project.QtWidgets 0x000000010928f943 QWidget::event(QEvent*) + 4051
43 org.qt-project.QtWidgets 0x00000001092504bb QApplicationPrivate::notify_helper(QObject*, QEvent*) + 251
44 org.qt-project.QtWidgets 0x000000010925389e QApplication::notify(QObject*, QEvent*) + 8318
45 org.qt-project.QtCore 0x0000000109fd5983 QCoreApplication::notifyInternal(QObject*, QEvent*) + 115
46 org.qt-project.QtWidgets 0x000000010928f943 QWidget::event(QEvent*) + 4051
47 org.qt-project.QtWidgets 0x00000001092504bb QApplicationPrivate::notify_helper(QObject*, QEvent*) + 251
48 org.qt-project.QtWidgets 0x000000010925389e QApplication::notify(QObject*, QEvent*) + 8318
49 org.qt-project.QtCore 0x0000000109fd5983 QCoreApplication::notifyInternal(QObject*, QEvent*) + 115
50 org.qt-project.QtWidgets 0x000000010928f943 QWidget::event(QEvent*) + 4051
51 org.qt-project.QtWidgets 0x00000001092504bb QApplicationPrivate::notify_helper(QObject*, QEvent*) + 251
52 org.qt-project.QtWidgets 0x000000010925389e QApplication::notify(QObject*, QEvent*) + 8318
53 org.qt-project.QtCore 0x0000000109fd5983 QCoreApplication::notifyInternal(QObject*, QEvent*) + 115
54 org.qt-project.QtWidgets 0x000000010928f943 QWidget::event(QEvent*) + 4051
55 org.qt-project.QtWidgets 0x00000001092504bb QApplicationPrivate::notify_helper(QObject*, QEvent*) + 251
56 org.qt-project.QtWidgets 0x000000010925389e QApplication::notify(QObject*, QEvent*) + 8318
57 org.qt-project.QtCore 0x0000000109fd5983 QCoreApplication::notifyInternal(QObject*, QEvent*) + 115
58 org.qt-project.QtWidgets 0x000000010928f943 QWidget::event(QEvent*) + 4051
59 org.qt-project.QtWidgets 0x0000000109399741 QMainWindow::event(QEvent*) + 929
60 org.qt-project.QtWidgets 0x00000001092504bb QApplicationPrivate::notify_helper(QObject*, QEvent*) + 251
61 org.qt-project.QtWidgets 0x000000010925389e QApplication::notify(QObject*, QEvent*) + 8318
62 org.qt-project.QtCore 0x0000000109fd5983 QCoreApplication::notifyInternal(QObject*, QEvent*) + 115
63 org.qt-project.QtWidgets 0x000000010924f2d7 QApplication::setActiveWindow(QWidget*) + 1031
64 org.qt-project.QtWidgets 0x000000010924f7fe QApplicationPrivate::notifyActiveWindowChange(QWindow*) + 46
65 org.qt-project.QtGui 0x000000010989aebc QGuiApplicationPrivate::processActivatedEvent(QWindowSystemInterfacePrivate::ActivatedWindowEvent*) + 652
66 org.qt-project.QtGui 0x000000010989737c QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) + 1532
67 org.qt-project.QtGui 0x00000001098839da QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 346
68 libqcocoa.dylib 0x000000010bf571a1 0x10bf34000 + 143777
69 com.apple.CoreFoundation 0x00007fff92a97a01 _CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION_ + 17
70 com.apple.CoreFoundation 0x00007fff92a89b8d __CFRunLoopDoSources0 + 269
71 com.apple.CoreFoundation 0x00007fff92a891bf __CFRunLoopRun + 927
72 com.apple.CoreFoundation 0x00007fff92a88bd8 CFRunLoopRunSpecific + 296
73 com.apple.HIToolbox 0x00007fff9790a56f RunCurrentEventLoopInMode + 235
74 com.apple.HIToolbox 0x00007fff9790a1ee ReceiveNextEventCommon + 179
75 com.apple.HIToolbox 0x00007fff9790a12b _BlockUntilNextEventMatchingListInModeWithFilter + 71
76 com.apple.AppKit 0x00007fff8fef68ab _DPSNextEvent + 978
77 com.apple.AppKit 0x00007fff8fef5e58 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 346
78 com.apple.AppKit 0x00007fff8feebaf3 -[NSApplication run] + 594
79 libqcocoa.dylib 0x000000010bf5608d 0x10bf34000 + 139405
80 org.qt-project.QtCore 0x0000000109fd307d QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 381
81 org.qt-project.QtCore 0x0000000109fd5f5a QCoreApplication::exec() + 346
82 org.qt-project.qtcreator 0x0000000108fbd897 main + 21943
83 org.qt-project.qtcreator 0x0000000108fb5674 start + 52

Model: MacBookPro8,3, BootROM MBP81.0047.B27, 4 processors, Intel Core i7, 2.3 GHz, 8 GB, SMC 1.70f5
Graphics: Intel HD Graphics 3000, Intel HD Graphics 3000, Built-In
Graphics: AMD Radeon HD 6750M, AMD Radeon HD 6750M, PCIe, 1024 MB
Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1333 MHz, 0x80AD, 0x484D54333531533642465238432D48392020
Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1333 MHz, 0x80AD, 0x484D54333531533642465238432D48392020
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xD6), Broadcom BCM43xx 1.0 (5.106.98.100.24)
Bluetooth: Version 4.3.6f3 16238, 3 services, 27 devices, 1 incoming serial ports
Network Service: iPhone, Ethernet, en4
Serial ATA Device: Hitachi HTS725050A9A362, 500.11 GB
Serial ATA Device: MATSHITADVD-R UJ-8A8
USB Device: FaceTime HD Camera (Built-in)
USB Device: Hub
USB Device: 2.4G Keyboard Mouse
USB Device: Apple Internal Keyboard / Trackpad
USB Device: BRCM2070 Hub
USB Device: Bluetooth USB Host Controller
USB Device: Hub
USB Device: iPhone
USB Device: IR Receiver
Thunderbolt Bus: MacBook Pro, Apple Inc., 22.1