QtQuick2 cannot co-work with QtQuick1

#include <QtWidgets/QApplication>
#include <QQmlEngine>
#include <QtQml/QQmlComponent>
#include <QQuickView>
#include <QQmlContext>
#include <QWidget>
#include "quick1.h"

int main(int argc, char *argv[])
{
	QApplication a(argc, argv);

	QQuickView* win = new QQuickView();
	win->setSource(QUrl::fromLocalFile("quick2.qml"));	
	
	QWidget *container = QWidget::createWindowContainer(win);	
	container->setWindowFlags(Qt::Window);
	container->resize(win->size());
	container->show();

	start_quick1_view(container);

	return a.exec();
}

#pragma once

#include <QWidget>

void start_quick1_view(QWidget* parent);

#include "quick1.h"
#include <QtDeclarative/qdeclarative.h>
#include <QtDeclarative/qdeclarativeview.h>

void start_quick1_view(QWidget* parent)
{
	QDeclarativeView view0(parent);
	view0.move(60, 80);
	//view0.setWindowFlags(Qt::FramelessWindowHint);		
	view0.setSource(QUrl::fromLocalFile("quick1.qml"));
	view0.show();
}

import QtQuick 2.0

Rectangle {
	width: 600
	height: 480
	color: "red"
}

import QtQuick 1.1

Rectangle {
	width: 480
	height: 320
	color: "green"
}