mpc/1.2.0: WARN: Build folder is dirty, removing it: /Users/jenkins/w/cci_PR-2801@2/.conan/data/mpc/1.2.0/_/_/build/7c6911522ad4190723fdea523cb89123f736b57d mpc/1.2.0: ERROR: Package '7c6911522ad4190723fdea523cb89123f736b57d' build failed mpc/1.2.0: WARN: Build folder /Users/jenkins/w/cci_PR-2801@2/.conan/data/mpc/1.2.0/_/_/build/7c6911522ad4190723fdea523cb89123f736b57d ERROR: mpc/1.2.0: Error in build() method, line 54 autotools.make() ConanException: Error 2 while executing make -j8