Application: Spectacle (spectacle), signal: Segmentation fault

[KCrash Handler]
#4  0x00007fe0c1641b58 in kImageAnnotator::FontPicker::~FontPicker (this=0x55c7d89661c0, __in_chrg=<optimized out>) at /home/venom/kimageannotator/src/kImageAnnotator-0.5.0/src/widgets/settingsPicker/FontPicker.cpp:40
#5  0x00007fe0c1641d69 in kImageAnnotator::FontPicker::~FontPicker (this=0x55c7d89661c0, __in_chrg=<optimized out>) at /home/venom/kimageannotator/src/kImageAnnotator-0.5.0/src/widgets/settingsPicker/FontPicker.cpp:46
#6  0x00007fe0c1604395 in kImageAnnotator::AnnotationItemSettings::~AnnotationItemSettings (this=0x55c7d86bf570, __in_chrg=<optimized out>) at /home/venom/kimageannotator/src/kImageAnnotator-0.5.0/src/gui/annotator/settings/AnnotationItemSettings.cpp:49
#7  0x00007fe0c16044d9 in kImageAnnotator::AnnotationItemSettings::~AnnotationItemSettings (this=0x55c7d86bf570, __in_chrg=<optimized out>) at /home/venom/kimageannotator/src/kImageAnnotator-0.5.0/src/gui/annotator/settings/AnnotationItemSettings.cpp:52
#8  0x00007fe0c160023c in kImageAnnotator::AnnotationWidget::~AnnotationWidget (this=0x55c7d8750450, __in_chrg=<optimized out>) at /home/venom/kimageannotator/src/kImageAnnotator-0.5.0/src/gui/annotator/AnnotationWidget.cpp:40
#9  0x00007fe0c16002d9 in kImageAnnotator::AnnotationWidget::~AnnotationWidget (this=0x55c7d8750450, __in_chrg=<optimized out>) at /home/venom/kimageannotator/src/kImageAnnotator-0.5.0/src/gui/annotator/AnnotationWidget.cpp:44
#10 0x00007fe0c15ffc2b in kImageAnnotator::CoreView::~CoreView (this=0x55c7d872ad60, __in_chrg=<optimized out>) at /home/venom/kimageannotator/src/kImageAnnotator-0.5.0/src/gui/CoreView.cpp:51
#11 0x00007fe0c15fef05 in kImageAnnotator::KImageAnnotatorPrivate::~KImageAnnotatorPrivate (this=0x55c7d872acd0, __in_chrg=<optimized out>) at /home/venom/kimageannotator/src/kImageAnnotator-0.5.0/src/gui/KImageAnnotator.cpp:53
#12 QScopedPointerDeleter<kImageAnnotator::KImageAnnotatorPrivate>::cleanup (pointer=0x55c7d872acd0) at /usr/include/qt/QtCore/qscopedpointer.h:60
#13 QScopedPointerDeleter<kImageAnnotator::KImageAnnotatorPrivate>::cleanup (pointer=0x55c7d872acd0) at /usr/include/qt/QtCore/qscopedpointer.h:52
#14 QScopedPointer<kImageAnnotator::KImageAnnotatorPrivate, QScopedPointerDeleter<kImageAnnotator::KImageAnnotatorPrivate> >::~QScopedPointer (this=0x55c7d87265e0, __in_chrg=<optimized out>) at /usr/include/qt/QtCore/qscopedpointer.h:107
#15 kImageAnnotator::KImageAnnotator::~KImageAnnotator (this=0x55c7d87265b0, __in_chrg=<optimized out>) at /home/venom/kimageannotator/src/kImageAnnotator-0.5.0/src/gui/KImageAnnotator.cpp:71
#16 0x00007fe0c15fef39 in kImageAnnotator::KImageAnnotator::~KImageAnnotator (this=0x55c7d87265b0, __in_chrg=<optimized out>) at /home/venom/kimageannotator/src/kImageAnnotator-0.5.0/src/gui/KImageAnnotator.cpp:71
#17 0x00007fe0bfae87de in QObjectPrivate::deleteChildren() () from /usr/lib/libQt5Core.so.5
#18 0x00007fe0c05d25ce in QWidget::~QWidget() () from /usr/lib/libQt5Widgets.so.5
#19 0x000055c7d671626e in ?? ()
#20 0x00007fe0bfae87de in QObjectPrivate::deleteChildren() () from /usr/lib/libQt5Core.so.5
#21 0x00007fe0c05d25ce in QWidget::~QWidget() () from /usr/lib/libQt5Widgets.so.5
#22 0x000055c7d671746d in ?? ()
#23 0x000055c7d671250c in ?? ()
#24 0x00007fe0bf44ab25 in __libc_start_main () from /usr/lib/libc.so.6
#25 0x000055c7d6712e0e in ?? ()
[Inferior 1 (process 187793) detached]