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

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY
    protobuf_BUILD_LIBPROTOC


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make[2]: *** [source_subfolder/cmake/CMakeFiles/libprotobuf.dir/__/src/google/protobuf/generated_message_reflection.cc.o] Error 143
make[2]: *** Waiting for unfinished jobs....
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make[2]: *** [source_subfolder/cmake/CMakeFiles/libprotobuf.dir/__/src/google/protobuf/generated_message_table_driven.cc.o] Error 143
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make[2]: *** [source_subfolder/cmake/CMakeFiles/libprotobuf.dir/__/src/google/protobuf/io/tokenizer.cc.o] Error 143
make[1]: *** [source_subfolder/cmake/CMakeFiles/libprotobuf.dir/all] Error 2
make: *** [all] Error 2
protobuf/3.9.1: ERROR: Package '614ef6d3da90f052a20253c51e370f980c524138' build failed
protobuf/3.9.1: WARN: Build folder /home/conan/w/cci_PR-4682/.conan/data/protobuf/3.9.1/_/_/build/614ef6d3da90f052a20253c51e370f980c524138
ERROR: protobuf/3.9.1: Error in build() method, line 152
	cmake.build()
	ConanException: Error 2 while executing cmake --build '/home/conan/w/cci_PR-4682/.conan/data/protobuf/3.9.1/_/_/build/614ef6d3da90f052a20253c51e370f980c524138/build_subfolder' '--' '-j3'
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