automake/1.16.2: WARN: Build folder is dirty, removing it: /home/conan/w/cci_PR-3892/.conan/data/automake/1.16.2/_/_/build/258f6f05ca54813b3d7180161753df7f9ccf7e1d
[HOOK - conan-center.py] post_source(): ERROR: [LIBCXX MANAGEMENT (KB-H011)] Can't detect C++ source files but recipe does not remove 'self.settings.compiler.libcxx' (https://github.com/conan-io/conan-center-index/blob/master/docs/error_knowledge_base.md#KB-H011) 
[HOOK - conan-center.py] post_source(): ERROR: [CPPSTD MANAGEMENT (KB-H022)] Can't detect C++ source files but recipe does not remove 'self.settings.compiler.cppstd' (https://github.com/conan-io/conan-center-index/blob/master/docs/error_knowledge_base.md#KB-H022) 
ERROR: [HOOK - conan-center.py] post_source(): Some checks failed running the hook, check the output