QMacCocoaViewContainer crash on Mac

#include <QtCore>
#include <QtWidgets>
#include <QMacCocoaViewContainer>

#include <AppKit/AppKit.h>

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);
    
    QMainWindow mw;
    
    QMacCocoaViewContainer *container = new QMacCocoaViewContainer(0);
    
    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
    NSView *view = [[NSView alloc] init];
    
    container->setCocoaView(view);
    
    [view release];
    [pool release];
    
    mw.setCentralWidget(container);
    mw.show();
    
    return app.exec();
}