libproperties/1.1.2: WARN: Build folder is dirty, removing it: /home/conan/w/cci_PR-3877/.conan/data/libproperties/1.1.2/_/_/build/b614d3b31d5e8feba6472fe56ecfe9a6fec1dbe7
ERROR: libproperties/1.1.2: Error in source() method, line 25
	os.rename(source_dir, self._source_subfolder)
	AttributeError: 'LibpropertiesConan' object has no attribute '_source_subfolder'