#0  0x00007ffff6c5dfa0 in g_type_check_instance_cast () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#1  0x00005555557fc184 in _D3org7eclipse3swt8internal3gtk2OSQd20GTK_WIDGET_SET_FLAGSFPvkZv (arg1=2048, arg0=0x555555e166a0)
    at ../../../.dub/packages/dwt-1.0.1_swt-3.4.1/dwt/org.eclipse.swt.gtk.linux.x86/src/org/eclipse/swt/internal/gtk/OS.d:2704
#2  0x000055555581751b in _D3org7eclipse3swt7widgets9CompositeQk12createHandleMFibbZv (this=0x7ffff7eb2200, scrolled=true, fixed=false, index=0)
    at ../../../.dub/packages/dwt-1.0.1_swt-3.4.1/dwt/org.eclipse.swt.gtk.linux.x86/src/org/eclipse/swt/widgets/Composite.d:304
#3  0x000055555577b3f4 in _D3org7eclipse3swt7widgets5ShellQg12createHandleMFiZv (this=0x7ffff7eb2200, index=0)
    at ../../../.dub/packages/dwt-1.0.1_swt-3.4.1/dwt/org.eclipse.swt.gtk.linux.x86/src/org/eclipse/swt/widgets/Shell.d:665
#4  0x0000555555782b70 in _D3org7eclipse3swt7widgets6WidgetQh12createWidgetMFiZv (this=0x7ffff7eb2200, index=0)
    at ../../../.dub/packages/dwt-1.0.1_swt-3.4.1/dwt/org.eclipse.swt.gtk.linux.x86/src/org/eclipse/swt/widgets/Widget.d:478
#5  0x000055555581c3c2 in _D3org7eclipse3swt7widgets7ControlQi12createWidgetMFiZv (this=0x7ffff7eb2200, index=0)
    at ../../../.dub/packages/dwt-1.0.1_swt-3.4.1/dwt/org.eclipse.swt.gtk.linux.x86/src/org/eclipse/swt/widgets/Control.d:542
#6  0x00005555558287db in _D3org7eclipse3swt7widgets10ScrollableQm12createWidgetMFiZv (this=0x7ffff7eb2200, index=0)
    at ../../../.dub/packages/dwt-1.0.1_swt-3.4.1/dwt/org.eclipse.swt.gtk.linux.x86/src/org/eclipse/swt/widgets/Scrollable.d:164
#7  0x0000555555824393 in _D3org7eclipse3swt7widgets11DecorationsQn12createWidgetMFiZv (this=0x7ffff7eb2200, index=0)
    at ../../../.dub/packages/dwt-1.0.1_swt-3.4.1/dwt/org.eclipse.swt.gtk.linux.x86/src/org/eclipse/swt/widgets/Decorations.d:257
#8  0x000055555577a9db in _D3org7eclipse3swt7widgets5ShellQg6__ctorMFCQBqQBpQBkQBj7DisplayQiCQCnQCmQChQCgQCbQCeiPSQDiQDhQDc8internal1c3gtk10_GtkWidgetbZQCi (this=0x7ffff7eb2200, embedded=false, handle=0x0, style=1264, parent=0x0, display=0x7ffff7eb0800) at ../../../.dub/packages/dwt-1.0.1_swt-3.4.1/dwt/org.eclipse.swt.gtk.linux.x86/src/org/eclipse/swt/widgets/Shell.d:312
#9  0x000055555577a8c8 in _D3org7eclipse3swt7widgets5ShellQg6__ctorMFCQBqQBpQBkQBj7DisplayQiiZCQCpQCoQCjQCiQCdQCg (this=0x7ffff7eb2200, style=1264, display=0x0)
    at ../../../.dub/packages/dwt-1.0.1_swt-3.4.1/dwt/org.eclipse.swt.gtk.linux.x86/src/org/eclipse/swt/widgets/Shell.d:287
#10 0x000055555577a896 in _D3org7eclipse3swt7widgets5ShellQg6__ctorMFCQBqQBpQBkQBj7DisplayQiZCQCoQCnQCiQChQCcQCf (this=0x7ffff7eb2200, display=0x0)
    at ../../../.dub/packages/dwt-1.0.1_swt-3.4.1/dwt/org.eclipse.swt.gtk.linux.x86/src/org/eclipse/swt/widgets/Shell.d:241
#11 0x000055555577a847 in _D3org7eclipse3swt7widgets5ShellQg6__ctorMFZCQBrQBqQBlQBkQBfQBi (this=0x7ffff7eb2200)
    at ../../../.dub/packages/dwt-1.0.1_swt-3.4.1/dwt/org.eclipse.swt.gtk.linux.x86/src/org/eclipse/swt/widgets/Shell.d:180