******************************************************************************** conan install sqlitecpp/3.2.1@#cd4d77bb249f41acb25fc189e92cabe7 --build=sqlitecpp -pr /home/conan/w/prod/BuildSingleReference/136286/abc1d0d1-6767-44e7-8283-58cc7b4ce8e6/profile_linux_5_libstdcpp_gcc_debug_64.sqlitecpp-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/BuildSingleReference/.conan/profiles/default) CC and CXX: /usr/bin/gcc, /usr/bin/g++ Found gcc 5.4 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/BuildSingleReference/.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=5 compiler.libcxx=libstdc++ build_type=Release *** You can change them in /home/conan/w/prod/BuildSingleReference/.conan/profiles/default *** *** Or override with -s compiler='other' -s ...s*** Configuration: [settings] arch=x86_64 build_type=Debug compiler=gcc compiler.libcxx=libstdc++ compiler.version=5 os=Linux [options] sqlitecpp:shared=True [build_requires] [env] [conf] tools.system.package_manager:mode=install tools.system.package_manager:sudo=True sqlite3/3.40.0: Not found in local cache, looking in remotes... sqlite3/3.40.0: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz sqlite3/3.40.0: Downloaded recipe revision 00595463c6f423c2929b63911fc9393c sqlitecpp/3.2.1: Forced build from source Installing package: sqlitecpp/3.2.1 Requirements sqlite3/3.40.0 from 'conan-center' - Downloaded sqlitecpp/3.2.1 from local cache - Cache Packages sqlite3/3.40.0:e6d4e36c72aa4919cabb566e25233a3a7dd154f9 - Download sqlitecpp/3.2.1:ca77a14fffca18107e2bb95c38fc8b868c5cbd55 - Build Installing (downloading, building) binaries... sqlite3/3.40.0: Retrieving package e6d4e36c72aa4919cabb566e25233a3a7dd154f9 from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz sqlite3/3.40.0: Package installed e6d4e36c72aa4919cabb566e25233a3a7dd154f9 sqlite3/3.40.0: Downloaded package revision 05e4ba377d8425bb07c58d64ce0df2e9 sqlite3/3.40.0: Appending PATH env var with : /home/conan/w/prod/BuildSingleReference/.conan/data/sqlite3/3.40.0/_/_/package/e6d4e36c72aa4919cabb566e25233a3a7dd154f9/bin [HOOK - conan-center.py] pre_source(): [IMMUTABLE SOURCES (KB-H010)] OK sqlitecpp/3.2.1: Configuring sources in /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/source/src sqlitecpp/3.2.1: [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 sqlitecpp/3.2.1: Copying sources to build folder sqlitecpp/3.2.1: Building your package in /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/build/ca77a14fffca18107e2bb95c38fc8b868c5cbd55 sqlitecpp/3.2.1: Generator txt created conanbuildinfo.txt sqlitecpp/3.2.1: Calling generate() sqlitecpp/3.2.1: Preset 'debug' added to CMakePresets.json. Invoke it manually using 'cmake --preset debug' sqlitecpp/3.2.1: 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/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/build/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/build/generators/conan_toolchain.cmake -DCMAKE_POLICY_DEFAULT_CMP0091=NEW -DCMAKE_BUILD_TYPE=Debug' sqlitecpp/3.2.1: 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 sqlitecpp/3.2.1: Calling build() sqlitecpp/3.2.1: apply_conandata_patches(): No patches defined in conandata sqlitecpp/3.2.1: CMake command: cmake -G "Unix Makefiles" -DCMAKE_TOOLCHAIN_FILE="/home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/build/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/build/generators/conan_toolchain.cmake" -DCMAKE_INSTALL_PREFIX="/home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/package/ca77a14fffca18107e2bb95c38fc8b868c5cbd55" -DCMAKE_POLICY_DEFAULT_CMP0091="NEW" -DCMAKE_BUILD_TYPE="Debug" "/home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/build/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/src" ----Running------ > cmake -G "Unix Makefiles" -DCMAKE_TOOLCHAIN_FILE="/home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/build/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/build/generators/conan_toolchain.cmake" -DCMAKE_INSTALL_PREFIX="/home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/package/ca77a14fffca18107e2bb95c38fc8b868c5cbd55" -DCMAKE_POLICY_DEFAULT_CMP0091="NEW" -DCMAKE_BUILD_TYPE="Debug" "/home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/build/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/src" ----------------- -- Using Conan toolchain: /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/build/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/build/generators/conan_toolchain.cmake -- Conan toolchain: Setting BUILD_SHARED_LIBS = ON -- The C compiler identification is GNU 5.4.0 -- The CXX compiler identification is GNU 5.4.0 -- 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 -- 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 -- Using c++ standard c++11 -- CMake version: 3.18.2 -- Project version: 3.2.1 -- Using Stack Protection hardening -- CMAKE_CXX_COMPILER '/usr/bin/g++' 'GNU' '5.4.0' -- CMAKE_CXX_FLAGS '-m64 -Wall -Wextra -Wpedantic -Wswitch-enum -Wshadow -Wno-long-long' -- CMAKE_CXX_FLAGS_DEBUG '-g' -- Conan: Component target declared 'SQLite::SQLite3' -- Link to sqlite3 system library -- 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 -- SQLITECPP_RUN_CPPLINT OFF -- SQLITECPP_RUN_CPPCHECK OFF -- SQLITECPP_RUN_DOXYGEN OFF -- SQLITECPP_BUILD_EXAMPLES OFF -- SQLITECPP_BUILD_TESTS OFF -- Configuring done -- Generating done -- Build files have been written to: /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/build/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/build/Debug sqlitecpp/3.2.1: CMake command: cmake --build "/home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/build/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/build/Debug" '--' '-j3' ----Running------ > cmake --build "/home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/build/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/build/Debug" '--' '-j3' ----------------- Scanning dependencies of target SQLiteCpp [ 12%] Building CXX object CMakeFiles/SQLiteCpp.dir/src/Backup.cpp.o [ 25%] Building CXX object CMakeFiles/SQLiteCpp.dir/src/Column.cpp.o [ 37%] Building CXX object CMakeFiles/SQLiteCpp.dir/src/Database.cpp.o [ 50%] Building CXX object CMakeFiles/SQLiteCpp.dir/src/Exception.cpp.o [ 62%] Building CXX object CMakeFiles/SQLiteCpp.dir/src/Savepoint.cpp.o [ 75%] Building CXX object CMakeFiles/SQLiteCpp.dir/src/Statement.cpp.o [ 87%] Building CXX object CMakeFiles/SQLiteCpp.dir/src/Transaction.cpp.o [100%] Linking CXX shared library libSQLiteCpp.so [100%] Built target SQLiteCpp sqlitecpp/3.2.1: Package 'ca77a14fffca18107e2bb95c38fc8b868c5cbd55' built sqlitecpp/3.2.1: Build folder /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/build/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/build/Debug sqlitecpp/3.2.1: Generated conaninfo.txt sqlitecpp/3.2.1: Generated conanbuildinfo.txt sqlitecpp/3.2.1: Generating the package sqlitecpp/3.2.1: Package folder /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/package/ca77a14fffca18107e2bb95c38fc8b868c5cbd55 sqlitecpp/3.2.1: Calling package() sqlitecpp/3.2.1: Copied 1 '.txt' file: LICENSE.txt sqlitecpp/3.2.1: CMake command: cmake --install "/home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/build/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/build/Debug" --prefix "/home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/package/ca77a14fffca18107e2bb95c38fc8b868c5cbd55" ----Running------ > cmake --install "/home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/build/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/build/Debug" --prefix "/home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/package/ca77a14fffca18107e2bb95c38fc8b868c5cbd55" ----------------- -- Install configuration: "Debug" -- Installing: /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/package/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/lib/libSQLiteCpp.so.0 -- Installing: /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/package/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/lib/libSQLiteCpp.so -- Installing: /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/package/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/include -- Installing: /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/package/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/include/SQLiteCpp -- Installing: /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/package/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/include/SQLiteCpp/Exception.h -- Installing: /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/package/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/include/SQLiteCpp/Database.h -- Installing: /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/package/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/include/SQLiteCpp/Statement.h -- Installing: /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/package/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/include/SQLiteCpp/Backup.h -- Installing: /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/package/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/include/SQLiteCpp/Utils.h -- Installing: /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/package/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/include/SQLiteCpp/Savepoint.h -- Installing: /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/package/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/include/SQLiteCpp/ExecuteMany.h -- Installing: /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/package/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/include/SQLiteCpp/Column.h -- Installing: /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/package/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/include/SQLiteCpp/Assertion.h -- Installing: /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/package/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/include/SQLiteCpp/Transaction.h -- Installing: /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/package/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/include/SQLiteCpp/SQLiteCpp.h -- Installing: /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/package/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/include/SQLiteCpp/VariadicBind.h -- Installing: /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/package/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/lib/cmake/SQLiteCpp/SQLiteCppTargets.cmake -- Installing: /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/package/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/lib/cmake/SQLiteCpp/SQLiteCppTargets-debug.cmake -- Installing: /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/package/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/share/SQLiteCpp/package.xml -- Installing: /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/package/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/lib/cmake/SQLiteCpp/SQLiteCppConfig.cmake -- Installing: /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/package/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/lib/cmake/SQLiteCpp/SQLiteCppConfigVersion.cmake [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(): [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 sqlitecpp/3.2.1 package(): Packaged 12 '.h' files sqlitecpp/3.2.1 package(): Packaged 1 '.so' file: libSQLiteCpp.so sqlitecpp/3.2.1 package(): Packaged 1 '.0' file: libSQLiteCpp.so.0 sqlitecpp/3.2.1 package(): Packaged 1 '.cmake' file: conan-official-sqlitecpp-targets.cmake sqlitecpp/3.2.1 package(): Packaged 1 '.txt' file: LICENSE.txt sqlitecpp/3.2.1: Package 'ca77a14fffca18107e2bb95c38fc8b868c5cbd55' created sqlitecpp/3.2.1: Created package revision f4784c2c6e0c058655f5f0b50972c363 [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 In file included from /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/build/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/src/include/SQLiteCpp/Backup.h:14:0, from /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/build/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/src/src/Backup.cpp:12: /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/build/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/src/include/SQLiteCpp/Database.h:38:26: warning: extra tokens at end of #ifndef directive #ifndef __has_include() ^ /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/build/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/src/include/SQLiteCpp/Database.h:41:26: warning: extra tokens at end of #ifndef directive #ifndef __has_include() ^ In file included from /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/build/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/src/src/Database.cpp:11:0: /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/build/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/src/include/SQLiteCpp/Database.h:38:26: warning: extra tokens at end of #ifndef directive #ifndef __has_include() ^ /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/build/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/src/include/SQLiteCpp/Database.h:41:26: warning: extra tokens at end of #ifndef directive #ifndef __has_include() ^ In file included from /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/build/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/src/src/Savepoint.cpp:15:0: /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/build/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/src/include/SQLiteCpp/Database.h:38:26: warning: extra tokens at end of #ifndef directive #ifndef __has_include() ^ /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/build/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/src/include/SQLiteCpp/Database.h:41:26: warning: extra tokens at end of #ifndef directive #ifndef __has_include() ^ In file included from /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/build/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/src/src/Statement.cpp:13:0: /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/build/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/src/include/SQLiteCpp/Database.h:38:26: warning: extra tokens at end of #ifndef directive #ifndef __has_include() ^ /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/build/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/src/include/SQLiteCpp/Database.h:41:26: warning: extra tokens at end of #ifndef directive #ifndef __has_include() ^ In file included from /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/build/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/src/src/Transaction.cpp:13:0: /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/build/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/src/include/SQLiteCpp/Database.h:38:26: warning: extra tokens at end of #ifndef directive #ifndef __has_include() ^ /home/conan/w/prod/BuildSingleReference/.conan/data/sqlitecpp/3.2.1/_/_/build/ca77a14fffca18107e2bb95c38fc8b868c5cbd55/src/include/SQLiteCpp/Database.h:41:26: warning: extra tokens at end of #ifndef directive #ifndef __has_include() ^ sqlitecpp/3.2.1: 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 sqlitecpp/3.2.1: 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