bsoncxx version: 3.6.1 found libbson version mongocxx version: 3.6.1 found libmongoc version 1.17.2 CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY clang: error: unable to execute command: Terminated clang: error: clang frontend command failed due to signal (use -v to see invocation) clang version 3.9.1-17ubuntu1 (tags/RELEASE_391/rc2) Target: x86_64-pc-linux-gnu Thread model: posix InstalledDir: /usr/bin clang: note: diagnostic msg: PLEASE submit a bug report to http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, and associated run script. Terminated make[2]: *** [source_subfolder/src/mongocxx/CMakeFiles/mongocxx_mocked.dir/private/libmongoc.cpp.o] Error 143 make[1]: *** [source_subfolder/src/mongocxx/CMakeFiles/mongocxx_mocked.dir/all] Error 2 make: *** [all] Error 2 mongo-cxx-driver/3.6.1: ERROR: Package '3241f9e7855a5890bdb7fcf12646a01205aa64aa' build failed mongo-cxx-driver/3.6.1: WARN: Build folder /home/conan/w/cci_PR-3681/.conan/data/mongo-cxx-driver/3.6.1/_/_/build/3241f9e7855a5890bdb7fcf12646a01205aa64aa ERROR: Exiting with code: 5