CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY


clang: error: unable to execute command: Terminated: 15
clang: error: clang frontend command failed due to signal (use -v to see invocation)
Apple LLVM version 9.1.0 (clang-902.0.39.2)
Target: x86_64-apple-darwin18.2.0
Thread model: posix
InstalledDir: /Applications/Xcode-9.4.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin
clang: note: diagnostic msg: PLEASE submit a bug report to http://developer.apple.com/bugreporter/ and include the crash backtrace, preprocessed source, and associated run script.
make[2]: *** [source_subfolder/cmake/CMakeFiles/libprotobuf-lite.dir/__/src/google/protobuf/stubs/structurally_valid.cc.o] Terminated: 15
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protobuf/3.9.1: ERROR: Package '13b48d56cd5d7dff22684d58482d685be985d688' build failed
protobuf/3.9.1: WARN: Build folder /Users/jenkins/w/cci_PR-2037@3/.conan/data/protobuf/3.9.1/_/_/build/13b48d56cd5d7dff22684d58482d685be985d688
ERROR: protobuf/3.9.1: Error in build() method, line 105
	cmake.build()
	ConanException: Error -15 while executing cmake --build '/Users/jenkins/w/cci_PR-2037@3/.conan/data/protobuf/3.9.1/_/_/build/13b48d56cd5d7dff22684d58482d685be985d688/build_subfolder' '--' '-j8'