Unable to build QtImageFormats Add-On with Conan

Description
Install Qt6.0.1, QtImageFormats , Cmake, Ninja and Conan with online installer.

Run build command:

conan install qtimageformats/6.0.1@qt/snapshot --build=missing --profile=/home/qt/RTA/qt5/Tools/Conan/profiles/qt-6.0.1-gcc-x86_64 -s build_type=Release -g cmake_paths -g=cmake -g deploy

Build fails:
Log from linux-g++-Ubuntu20.04-x64 build
Build failed (Screenshot taken from the desktop is invalid)-- Installing: /home/qt/.conan/data/qtimageformats/6.0.1/qt/snapshot/build/9105b5b4ab5d474532cfc28699da368141e8a4cf/_install_tmp/./plugins/imageformats/libqwebp.prl
 
– Installing: /home/qt/.conan/data/qtimageformats/6.0.1/qt/snapshot/build/9105b5b4ab5d474532cfc28699da368141e8a4cf/_install_tmp/lib/cmake/Qt6
 
Build failed (Screenshot taken from the desktop is invalid)
– Installing: /home/qt/.conan/data/qtimageformats/6.0.1/qt/snapshot/build/9105b5b4ab5d474532cfc28699da368141e8a4cf/_install_tmp/lib/cmake/Qt6
– Installing: /home/qt/.conan/data/qtimageformats/6.0.1/qt/snapshot/build/9105b5b4ab5d474532cfc28699da368141e8a4cf/_install_tmp/lib/cmake/Qt6/FindWrapJasper.cmake
Build failed (Screenshot taken from the desktop is invalid)
– Installing: /home/qt/.conan/data/qtimageformats/6.0.1/qt/snapshot/build/9105b5b4ab5d474532cfc28699da368141e8a4cf/_install_tmp/lib/cmake/Qt6/FindWrapJasper.cmake
– Installing: /home/qt/.conan/data/qtimageformats/6.0.1/qt/snapshot/build/9105b5b4ab5d474532cfc28699da368141e8a4cf/_install_tmp/lib/cmake/Qt6/FindWrapWebP.cmake
 
Build failed (Screenshot taken from the desktop is invalid)
– Installing: /home/qt/.conan/data/qtimageformats/6.0.1/qt/snapshot/build/9105b5b4ab5d474532cfc28699da368141e8a4cf/_install_tmp/lib/cmake/Qt6/FindWrapWebP.cmake
 LOG14:19:02
qtimageformats/6.0.1@qt/snapshot package(): Packaged 32 '.cmake' files
 
Build failed (Screenshot taken from the desktop is invalid)
qtimageformats/6.0.1@qt/snapshot package(): Packaged 32 '.cmake' files
qtimageformats/6.0.1@qt/snapshot package(): Packaged 5 '.pri' files
 
Build failed (Screenshot taken from the desktop is invalid)
qtimageformats/6.0.1@qt/snapshot package(): Packaged 5 '.pri' files
qtimageformats/6.0.1@qt/snapshot package(): Packaged 5 '.a' files
 
Build failed (Screenshot taken from the desktop is invalid)
qtimageformats/6.0.1@qt/snapshot package(): Packaged 5 '.a' files
qtimageformats/6.0.1@qt/snapshot package(): Packaged 5 '.prl' files
 
Build failed (Screenshot taken from the desktop is invalid)
qtimageformats/6.0.1@qt/snapshot package(): Packaged 5 '.prl' files
qtimageformats/6.0.1@qt/snapshot: Package '9105b5b4ab5d474532cfc28699da368141e8a4cf' created
 
Build failed (Screenshot taken from the desktop is invalid)
qtimageformats/6.0.1@qt/snapshot: Package '9105b5b4ab5d474532cfc28699da368141e8a4cf' created
qtimageformats/6.0.1@qt/snapshot: Created package revision 4f5c388405e36842643f2b92d647e82b
 
Build failed (Screenshot taken from the desktop is invalid)
qtimageformats/6.0.1@qt/snapshot: Created package revision 4f5c388405e36842643f2b92d647e82b
Generator txt created conanbuildinfo.txt
 
Build failed (Screenshot taken from the desktop is invalid)
Generator txt created conanbuildinfo.txt
Generator cmake_paths created conan_paths.cmake
 
Build failed (Screenshot taken from the desktop is invalid)
Generator cmake_paths created conan_paths.cmake
Generator cmake created conanbuildinfo.cmake
 
Build failed (Screenshot taken from the desktop is invalid)
Generator cmake created conanbuildinfo.cmake
Generator deploy created deploy_manifest.txt
 
Build failed (Screenshot taken from the desktop is invalid)
Generator deploy created deploy_manifest.txt
qtimageformats/6.0.1@qt/snapshot deploy(): Copied 32 '.cmake' files
 
Build failed (Screenshot taken from the desktop is invalid)
qtimageformats/6.0.1@qt/snapshot deploy(): Copied 32 '.cmake' files
qtimageformats/6.0.1@qt/snapshot deploy(): Copied 5 '.pri' files
 
Build failed (Screenshot taken from the desktop is invalid)
qtimageformats/6.0.1@qt/snapshot deploy(): Copied 5 '.pri' files
qtimageformats/6.0.1@qt/snapshot deploy(): Copied 5 '.prl' files
 
Build failed (Screenshot taken from the desktop is invalid)
qtimageformats/6.0.1@qt/snapshot deploy(): Copied 5 '.prl' files
qtimageformats/6.0.1@qt/snapshot deploy(): Copied 2 '.txt' files: conaninfo.txt, conanmanifest.txt
 
Build failed (Screenshot taken from the desktop is invalid)
qtimageformats/6.0.1@qt/snapshot deploy(): Copied 2 '.txt' files: conaninfo.txt, conanmanifest.txt
qtimageformats/6.0.1@qt/snapshot deploy(): Copied 5 '.a' files
 
Build failed (Screenshot taken from the desktop is invalid)
qtimageformats/6.0.1@qt/snapshot deploy(): Copied 5 '.a' files
 
Build failed (Screenshot taken from the desktop is invalid)

Reproducable on:

linux-g++-Ubuntu20.04-x64

macOS-clang-10.14-x64

macOS-clang-10.14-x64_iOS