libproperties/1.1.2: WARN: Build folder is dirty, removing it: /Users/jenkins/w/cci_PR-3877@4/.conan/data/libproperties/1.1.2/_/_/build/7d2ce8091910a92024e82e1030e9e75ba0100ecd
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'