Crash when changing non cached source of image during animation

import QtQuick 2.0

Item {
    id: root

    width: 1024
    height: 786

    property url bg: "image1.png"
    property url bg2: "image2.png"

    Image {
       id: image

       anchors.verticalCenter: root.verticalCenter
       anchors.horizontalCenter: root.horizontalCenter
       cache: false

       width: 80

       source: bg

       SequentialAnimation
       {
          PropertyAction { target: image; property: "source"; value: bg }
          PauseAnimation { duration: 200 }
          PropertyAction { target: image; property: "source"; value: bg2 }
          PauseAnimation { duration: 200 }
          running: true
          loops: Animation.Infinite
       }

       NumberAnimation {
           target: image
           easing.type: Easing.InOutSine
           duration: 150
           properties: "height"
           from: 1
           to: 80
           loops: Animation.Infinite
           running: true
       }
   }
}