message: Should works
diff: @@ -326,7 +326,7 @@ namespace {
  }
  unzip_current_file( uz, file_name.c_str() );
  - files.push_back( std::async( std::launch::async, [file_name, this] {
  + files.push_back( std::async( std::launch::deferred, [file_name, this] {
  std::string file_without_extension = GEO::FileSystem::base_name(
  file_name );
  std::string entity_type, entity_id;
  