Using a sourceItem for Texture instead of source causes a crash on Android. This happens if the item is created inside sourceItem, not if it has been created already (for example hellocube doesn't crash as-is, but if you move the creation of the qt_logo Rectangle into sourceItem, it crashes).

E libEGL  : call to OpenGL ES API with no current context (logged once per thread)
F libc    : Fatal signal 11 (SIGSEGV), code 2, fault addr 0xca9e0260 in tid 7637 (QtThread), pid 7602 (t.dynamicmeters)