Unable to build Qt3D Add-On with Conan, Qt6.0.0, linux-g++-Ubuntu20.04-x64

Preconditions:

Install Qt6.0.0 final, Cmake, Ninja and Conan with online installer.

Run build command:

conan install qt3d/6.0.0@qt/final --build=missing --profile=/home/qt/RTA/qt5/Tools/Conan/profiles/qt-6.0.0-gcc-x86_64 -s build_type=Release -g cmake_paths -g=cmake -g deploy

Build fails:
 
FAIL 08:50:42 Found 'error' from command output (Screenshot taken from the desktop is invalid)
LOG 08:50:42 result array length: 3277
LOG 08:50:42 from /home/qt/.conan/data/qt3d/6.0.0/qt/final/build/84c4694482b03a873b2d68eec7a7902519eb2334/src/render/CMakeFiles/3DRender.dir/cmake_pch.hxx:5,
 
LOG 08:50:42 from <command-line>:
LOG 08:50:42/home/qt/RTA/qt5/6.0.0/gcc_64/include/QtGui/qwindow.h:94:7: note: forward declaration of ‘class QVulkanInstance’
LOG 08:50:42 94 | class QVulkanInstance;
LOG 08:50:42| ^~~~~~~~~~~~~~~
LOG 08:50:42make[2]: *** [src/render/CMakeFiles/3DRender.dir/build.make:3834: src/render/CMakeFiles/3DRender.dir/surfaces/vulkaninstance.cpp.o] Error 1
 
LOG 08:50:42 make[2]: *** Waiting for unfinished jobs....
LOG 08:50:42make[2]: Leaving directory '/home/qt/.conan/data/qt3d/6.0.0/qt/final/build/84c4694482b03a873b2d68eec7a7902519eb2334'
 
LOG 08:50:42 make[1]: *** [CMakeFiles/Makefile2:1914: src/render/CMakeFiles/3DRender.dir/all] Error 2
LOG 08:50:42
make[1]: Leaving directory '/home/qt/.conan/data/qt3d/6.0.0/qt/final/build/84c4694482b03a873b2d68eec7a7902519eb2334'
 
LOG 08:50:42 make: *** [Makefile:163: all] Error 2
LOG 08:50:42
CMAKE_PREFIX_PATH for 'qt3d/6.0.0' build is: /home/qt/RTA/qt5/6.0.0/gcc_64
 
LOG 08:50:42 CMAKE_PREFIX_PATH for 'qt3d/6.0.0' build is: /home/qt/RTA/qt5/6.0.0/gcc_64
 
LOG 08:50:42 qt3d/6.0.0@qt/final:
 
LOG 08:50:42 qt3d/6.0.0@qt/final: ERROR: Package '84c4694482b03a873b2d68eec7a7902519eb2334' build failed