opencv/2.4.13.7: WARN: Build folder is dirty, removing it: /Users/jenkins/w/cci_PR-2743@2/.conan/data/opencv/2.4.13.7/_/_/build/b85c406ba1cad0688d424b146d4ab9ff5670e7f4
opencv/2.4.13.7: ERROR: Package 'b85c406ba1cad0688d424b146d4ab9ff5670e7f4' build failed
opencv/2.4.13.7: WARN: Build folder /Users/jenkins/w/cci_PR-2743@2/.conan/data/opencv/2.4.13.7/_/_/build/b85c406ba1cad0688d424b146d4ab9ff5670e7f4
ERROR: opencv/2.4.13.7: Error in build() method, line 156
	cmake.build()
	ConanException: Error 2 while executing cmake --build '/Users/jenkins/w/cci_PR-2743@2/.conan/data/opencv/2.4.13.7/_/_/build/b85c406ba1cad0688d424b146d4ab9ff5670e7f4/build_subfolder' '--' '-j8'