"g++-13"   -fvisibility-inlines-hidden -std=c++11 -fPIC -m64 -pthread -O0 -fno-inline -Wall -fvisibility=hidden -Wextra -DBOOST_ALL_NO_LIB=1 -DBOOST_COBALT_USE_STD_PMR=1 -DBOOST_HAS_ICU=1 -DBOOST_REGEX_DYN_LINK=1 -DU_USING_ICU_NAMESPACE=0   -I".."  -c -o "/var/boost/run/results/boost/bin.v2/libs/regex/example/regex_timer.test/gcc-13~c++11/debug/x86_64/debug-symbols-off/threading-multi/visibility-hidden/timer/regex_timer.o" "../libs/regex/example/timer/regex_timer.cpp"

In file included from ../libs/regex/example/timer/regex_timer.cpp:19:
../boost/timer.hpp:21:3: error: #error This header is deprecated and will be removed. (You can define BOOST_TIMER_ENABLE_DEPRECATED to suppress this error.)
   21 | # error This header is deprecated and will be removed. (You can define BOOST_TIMER_ENABLE_DEPRECATED to suppress this error.)
      |   ^~~~~
In file included from ../boost/config/header_deprecated.hpp:18,
                 from ../boost/timer.hpp:24:
../boost/config/pragma_message.hpp:24:34: note: '#pragma message: This header is deprecated. Use the facilities in <boost/timer/timer.hpp> instead.'
   24 | # define BOOST_PRAGMA_MESSAGE(x) _Pragma(BOOST_STRINGIZE(message(x)))
      |                                  ^~~~~~~
../boost/config/header_deprecated.hpp:23:37: note: in expansion of macro 'BOOST_PRAGMA_MESSAGE'
   23 | # define BOOST_HEADER_DEPRECATED(a) BOOST_PRAGMA_MESSAGE("This header is deprecated. Use " a " instead.")
      |                                     ^~~~~~~~~~~~~~~~~~~~
../boost/timer.hpp:25:1: note: in expansion of macro 'BOOST_HEADER_DEPRECATED'
   25 | BOOST_HEADER_DEPRECATED( "the facilities in <boost/timer/timer.hpp>" )
      | ^~~~~~~~~~~~~~~~~~~~~~~