******************************************************************************** conan install libprotobuf-mutator/1.1@#ee5b5e3de623a7e18336af40f0bc601d --build=libprotobuf-mutator -pr /home/conan/w/prod-v1/bsr/44893/eefda/profile_linux_10_libstdcpp11_gcc_release_64.libprotobuf-mutator-shared-True.txt -c tools.system.package_manager:mode=install -c tools.system.package_manager:sudo=True ******************************************************************************** Auto detecting your dev setup to initialize the default profile (/home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/profiles/default) CC and CXX: /usr/bin/gcc, /usr/bin/g++ Found gcc 10 gcc>=5, using the major as version ************************* WARNING: GCC OLD ABI COMPATIBILITY *********************** Conan detected a GCC version > 5 but has adjusted the 'compiler.libcxx' setting to 'libstdc++' for backwards compatibility. Your compiler is likely using the new CXX11 ABI by default (libstdc++11). If you want Conan to use the new ABI for the default profile, run: $ conan profile update settings.compiler.libcxx=libstdc++11 default Or edit '/home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/profiles/default' and set compiler.libcxx=libstdc++11 ************************************************************************************ Default settings os=Linux os_build=Linux arch=x86_64 arch_build=x86_64 compiler=gcc compiler.version=10 compiler.libcxx=libstdc++ build_type=Release *** You can change them in /home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/profiles/default *** *** Or override with -s compiler='other' -s ...s*** Configuration: [settings] arch=x86_64 build_type=Release compiler=gcc compiler.libcxx=libstdc++11 compiler.version=10 os=Linux [options] libprotobuf-mutator:shared=True [build_requires] [env] [conf] tools.system.package_manager:mode=install tools.system.package_manager:sudo=True protobuf/3.21.12: Not found in local cache, looking in remotes... protobuf/3.21.12: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz protobuf/3.21.12: Downloaded recipe revision 8210c0b1bb46b08ff2814614ec091a9c zlib/1.3: Not found in local cache, looking in remotes... zlib/1.3: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz zlib/1.3: Downloaded recipe revision 06023034579559bb64357db3a53f88a4 libprotobuf-mutator/1.1: Forced build from source Version ranges solved zlib/* versions found in 'conan-center' remote Version range '>=1.2.11 <2' required by 'protobuf/3.21.12' resolved to 'zlib/1.3' in remote 'conan-center' Installing package: libprotobuf-mutator/1.1 Requirements libprotobuf-mutator/1.1 from local cache - Cache protobuf/3.21.12 from 'conan-center' - Downloaded zlib/1.3 from 'conan-center' - Downloaded Packages libprotobuf-mutator/1.1:c96f8c2cb560bc7d2a97b3090f912e7202d05fa6 - Build protobuf/3.21.12:53f76f058631e1c3a500008c75af3f37d7786131 - Download zlib/1.3:19729b9559f3ae196cad45cb2b97468ccb75dcd1 - Download Installing (downloading, building) binaries... zlib/1.3: Retrieving package 19729b9559f3ae196cad45cb2b97468ccb75dcd1 from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz zlib/1.3: Package installed 19729b9559f3ae196cad45cb2b97468ccb75dcd1 zlib/1.3: Downloaded package revision a40386ce6229fd31810bf8c5050b3a7c protobuf/3.21.12: Retrieving package 53f76f058631e1c3a500008c75af3f37d7786131 from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz protobuf/3.21.12: Package installed 53f76f058631e1c3a500008c75af3f37d7786131 protobuf/3.21.12: Downloaded package revision 8bb6baf938b3bad76508d5441f032a83 [HOOK - conan-center.py] pre_source(): [IMMUTABLE SOURCES (KB-H010)] OK libprotobuf-mutator/1.1: Configuring sources in /home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/source/src libprotobuf-mutator/1.1: [HOOK - conan-center.py] post_source(): [LIBCXX MANAGEMENT (KB-H011)] OK [HOOK - conan-center.py] post_source(): [CPPSTD MANAGEMENT (KB-H022)] OK [HOOK - conan-center.py] post_source(): [SHORT_PATHS USAGE (KB-H066)] OK libprotobuf-mutator/1.1: Copying sources to build folder libprotobuf-mutator/1.1: Building your package in /home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/build/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6 libprotobuf-mutator/1.1: Generator txt created conanbuildinfo.txt libprotobuf-mutator/1.1: Calling generate() libprotobuf-mutator/1.1: Preset 'release' added to CMakePresets.json. Invoke it manually using 'cmake --preset release' libprotobuf-mutator/1.1: If your CMake version is not compatible with CMakePresets (<3.19) call cmake like: 'cmake -G "Unix Makefiles" -DCMAKE_TOOLCHAIN_FILE=/home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/build/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/build/Release/generators/conan_toolchain.cmake -DCMAKE_POLICY_DEFAULT_CMP0091=NEW -DCMAKE_BUILD_TYPE=Release' libprotobuf-mutator/1.1: Aggregating env generators [HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] 'fPIC' option not found [HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] OK libprotobuf-mutator/1.1: Calling build() libprotobuf-mutator/1.1: CMake command: cmake -G "Unix Makefiles" -DCMAKE_TOOLCHAIN_FILE="/home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/build/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/build/Release/generators/conan_toolchain.cmake" -DCMAKE_INSTALL_PREFIX="/home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/package/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6" -DCMAKE_POLICY_DEFAULT_CMP0091="NEW" -DCMAKE_BUILD_TYPE="Release" "/home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/build/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/src" ----Running------ > cmake -G "Unix Makefiles" -DCMAKE_TOOLCHAIN_FILE="/home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/build/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/build/Release/generators/conan_toolchain.cmake" -DCMAKE_INSTALL_PREFIX="/home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/package/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6" -DCMAKE_POLICY_DEFAULT_CMP0091="NEW" -DCMAKE_BUILD_TYPE="Release" "/home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/build/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/src" ----------------- -- Using Conan toolchain: /home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/build/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/build/Release/generators/conan_toolchain.cmake -- Conan toolchain: Setting BUILD_SHARED_LIBS = ON -- The CXX compiler identification is GNU 10.5.0 -- Detecting CXX compiler ABI info -- Detecting CXX compiler ABI info - done -- Check for working CXX compiler: /usr/bin/g++ - skipped -- Detecting CXX compile features -- Detecting CXX compile features - done -- The C compiler identification is GNU 10.5.0 -- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Check for working C compiler: /usr/bin/gcc - skipped -- Detecting C compile features -- Detecting C compile features - done -- Looking for pthread.h -- Looking for pthread.h - found -- Performing Test CMAKE_HAVE_LIBC_PTHREAD -- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Failed -- Check if compiler accepts -pthread -- Check if compiler accepts -pthread - yes -- Found Threads: TRUE -- Could NOT find LibLZMA (missing: LIBLZMA_LIBRARY LIBLZMA_INCLUDE_DIR LIBLZMA_HAS_AUTO_DECODER LIBLZMA_HAS_EASY_ENCODER LIBLZMA_HAS_LZMA_PRESET) -- Conan: Target declared 'ZLIB::ZLIB' -- Performing Test LIB_PROTO_MUTATOR_HAS_SANITIZE_ADDRESS -- Performing Test LIB_PROTO_MUTATOR_HAS_SANITIZE_ADDRESS - Success -- Performing Test LIB_PROTO_MUTATOR_HAS_SANITIZE_SCOPE -- Performing Test LIB_PROTO_MUTATOR_HAS_SANITIZE_SCOPE - Success -- Performing Test LIB_PROTO_MUTATOR_HAS_NO_COVERAGE -- Performing Test LIB_PROTO_MUTATOR_HAS_NO_COVERAGE - Failed -- Performing Test LIB_PROTO_MUTATOR_HAS_SANITIZE_FUZZER -- Performing Test LIB_PROTO_MUTATOR_HAS_SANITIZE_FUZZER - Failed -- Performing Test LIB_PROTO_MUTATOR_HAS_NO_SANITIZE_FUZZER -- Performing Test LIB_PROTO_MUTATOR_HAS_NO_SANITIZE_FUZZER - Failed -- Performing Test LIB_PROTO_MUTATOR_HAS_WSTRING_CONVERSION -- Performing Test LIB_PROTO_MUTATOR_HAS_WSTRING_CONVERSION - Failed -- Conan: Component target declared 'protobuf::libprotobuf' -- Conan: Component target declared 'protobuf::libprotoc' -- Conan: Target declared 'protobuf::protobuf' -- Conan: Including build module from '/home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/protobuf/3.21.12/_/_/package/53f76f058631e1c3a500008c75af3f37d7786131/lib/cmake/protobuf/protobuf-generate.cmake' -- Conan: Including build module from '/home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/protobuf/3.21.12/_/_/package/53f76f058631e1c3a500008c75af3f37d7786131/lib/cmake/protobuf/protobuf-module.cmake' -- Conan: Including build module from '/home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/protobuf/3.21.12/_/_/package/53f76f058631e1c3a500008c75af3f37d7786131/lib/cmake/protobuf/protobuf-options.cmake' -- Configuring done -- Generating done -- Build files have been written to: /home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/build/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/build/Release libprotobuf-mutator/1.1: CMake command: cmake --build "/home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/build/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/build/Release" '--' '-j3' ----Running------ > cmake --build "/home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/build/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/build/Release" '--' '-j3' ----------------- Scanning dependencies of target protobuf-mutator [ 12%] Building CXX object src/CMakeFiles/protobuf-mutator.dir/binary_format.cc.o [ 25%] Building CXX object src/CMakeFiles/protobuf-mutator.dir/mutator.cc.o [ 37%] Building CXX object src/CMakeFiles/protobuf-mutator.dir/text_format.cc.o [ 50%] Building CXX object src/CMakeFiles/protobuf-mutator.dir/utf8_fix.cc.o [ 62%] Linking CXX shared library libprotobuf-mutator.so [ 62%] Built target protobuf-mutator Scanning dependencies of target protobuf-mutator-libfuzzer [ 75%] Building CXX object src/libfuzzer/CMakeFiles/protobuf-mutator-libfuzzer.dir/libfuzzer_mutator.cc.o [ 87%] Building CXX object src/libfuzzer/CMakeFiles/protobuf-mutator-libfuzzer.dir/libfuzzer_macro.cc.o [100%] Linking CXX shared library libprotobuf-mutator-libfuzzer.so [100%] Built target protobuf-mutator-libfuzzer libprotobuf-mutator/1.1: Package 'c96f8c2cb560bc7d2a97b3090f912e7202d05fa6' built libprotobuf-mutator/1.1: Build folder /home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/build/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/build/Release libprotobuf-mutator/1.1: Generated conaninfo.txt libprotobuf-mutator/1.1: Generated conanbuildinfo.txt libprotobuf-mutator/1.1: Generating the package libprotobuf-mutator/1.1: Package folder /home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/package/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6 libprotobuf-mutator/1.1: Calling package() libprotobuf-mutator/1.1: Copied 1 file: LICENSE libprotobuf-mutator/1.1: CMake command: cmake --install "/home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/build/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/build/Release" --prefix "/home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/package/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6" ----Running------ > cmake --install "/home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/build/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/build/Release" --prefix "/home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/package/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6" ----------------- -- Install configuration: "Release" -- Installing: /home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/package/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/lib/cmake/libprotobuf-mutator/libprotobuf-mutatorTargets.cmake -- Installing: /home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/package/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/lib/cmake/libprotobuf-mutator/libprotobuf-mutatorTargets-release.cmake -- Installing: /home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/package/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/lib/cmake/libprotobuf-mutator/libprotobuf-mutatorConfig.cmake -- Installing: /home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/package/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/OFF/libprotobuf-mutator.pc -- Installing: /home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/package/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/include/libprotobuf-mutator/port -- Installing: /home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/package/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/include/libprotobuf-mutator/port/protobuf.h -- Installing: /home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/package/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/include/libprotobuf-mutator/port/gtest.h -- Installing: /home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/package/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/include/libprotobuf-mutator/src -- Installing: /home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/package/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/include/libprotobuf-mutator/src/mutator.h -- Installing: /home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/package/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/include/libprotobuf-mutator/src/weighted_reservoir_sampler.h -- Installing: /home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/package/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/include/libprotobuf-mutator/src/binary_format.h -- Installing: /home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/package/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/include/libprotobuf-mutator/src/random.h -- Installing: /home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/package/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/include/libprotobuf-mutator/src/libfuzzer -- Installing: /home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/package/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/include/libprotobuf-mutator/src/libfuzzer/libfuzzer_mutator.h -- Installing: /home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/package/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/include/libprotobuf-mutator/src/libfuzzer/libfuzzer_macro.h -- Installing: /home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/package/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/include/libprotobuf-mutator/src/text_format.h -- Installing: /home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/package/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/include/libprotobuf-mutator/src/utf8_fix.h -- Installing: /home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/package/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/include/libprotobuf-mutator/src/field_instance.h -- Installing: /home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/package/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/lib/libprotobuf-mutator.so.0 -- Installing: /home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/package/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/lib/libprotobuf-mutator.so -- Installing: /home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/package/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/lib/libprotobuf-mutator-libfuzzer.so.0 -- Set runtime path of "/home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/package/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/lib/libprotobuf-mutator-libfuzzer.so.0" to "" -- Installing: /home/conan/w/prod-v1/bsr/44893/bdbbb/.conan/data/libprotobuf-mutator/1.1/_/_/package/c96f8c2cb560bc7d2a97b3090f912e7202d05fa6/lib/libprotobuf-mutator-libfuzzer.so [HOOK - conan-center.py] post_package(): [PACKAGE LICENSE (KB-H012)] OK [HOOK - conan-center.py] post_package(): [DEFAULT PACKAGE LAYOUT (KB-H013)] OK [HOOK - conan-center.py] post_package(): [MATCHING CONFIGURATION (KB-H014)] OK [HOOK - conan-center.py] post_package(): [SHARED ARTIFACTS (KB-H015)] OK [HOOK - conan-center.py] post_package(): [STATIC ARTIFACTS (KB-H074)] OK [HOOK - conan-center.py] post_package(): [EITHER STATIC OR SHARED OF EACH LIB (KB-H076)] OK [HOOK - conan-center.py] post_package(): [PC-FILES (KB-H020)] OK [HOOK - conan-center.py] post_package(): [CMAKE-MODULES-CONFIG-FILES (KB-H016)] OK [HOOK - conan-center.py] post_package(): [PDB FILES NOT ALLOWED (KB-H017)] OK [HOOK - conan-center.py] post_package(): [LIBTOOL FILES PRESENCE (KB-H018)] OK [HOOK - conan-center.py] post_package(): [MS RUNTIME FILES (KB-H021)] OK [HOOK - conan-center.py] post_package(): [SHORT_PATHS USAGE (KB-H066)] OK [HOOK - conan-center.py] post_package(): [MISSING SYSTEM LIBS (KB-H043)] OK [HOOK - conan-center.py] post_package(): [APPLE RELOCATABLE SHARED LIBS (KB-H077)] OK libprotobuf-mutator/1.1 package(): Packaged 2 '.0' files: libprotobuf-mutator.so.0, libprotobuf-mutator-libfuzzer.so.0 libprotobuf-mutator/1.1 package(): Packaged 2 '.so' files: libprotobuf-mutator.so, libprotobuf-mutator-libfuzzer.so libprotobuf-mutator/1.1 package(): Packaged 1 file: LICENSE libprotobuf-mutator/1.1 package(): Packaged 11 '.h' files libprotobuf-mutator/1.1: Package 'c96f8c2cb560bc7d2a97b3090f912e7202d05fa6' created libprotobuf-mutator/1.1: Created package revision 3c1adf8a8151bba43b52ce1b3f4cb04f [HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK [HOOK - conan-center.py] post_package_info(): [LIBRARY DOES NOT EXIST (KB-H054)] OK [HOOK - conan-center.py] post_package_info(): [INCLUDE PATH DOES NOT EXIST (KB-H071)] OK Aggregating env generators libprotobuf-mutator/1.1: WARN: Using the new toolchains and generators without specifying a build profile (e.g: -pr:b=default) is discouraged and might cause failures and unexpected behavior libprotobuf-mutator/1.1: WARN: Using the new toolchains and generators without specifying a build profile (e.g: -pr:b=default) is discouraged and might cause failures and unexpected behavior