ubuntu-latest pipelines will use ubuntu-24.04 soon. For more details, see https://github.com/actions/runner-images/issues/10636

ignoring return value of 'bool std::operator!=(const std::shared_ptr<_Tp>&, std::nullptr_t) [with _Tp = Bitmap; std::nullptr_t = std::nullptr_t]', declared with attribute nodiscard [-Wunused-result]