"clang++-13"   -fvisibility-inlines-hidden -Wno-c99-extensions -std=c++20 -fPIC -pthread -O0 -fno-inline -Wall -fvisibility=hidden -m64 --target=x86_64-pc-linux  -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/clang-linux-13~c++20/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: This header is deprecated and will be removed. (You can define BOOST_TIMER_ENABLE_DEPRECATED to suppress this error.)
# error This header is deprecated and will be removed. (You can define BOOST_TIMER_ENABLE_DEPRECATED to suppress this error.)
  ^
../boost/timer.hpp:25:1: warning: This header is deprecated. Use the facilities in <boost/timer/timer.hpp> instead. [-W#pragma-messages]
BOOST_HEADER_DEPRECATED( "the facilities in <boost/timer/timer.hpp>" )
^
../boost/config/header_deprecated.hpp:23:37: note: expanded from macro 'BOOST_HEADER_DEPRECATED'
# define BOOST_HEADER_DEPRECATED(a) BOOST_PRAGMA_MESSAGE("This header is deprecated. Use " a " instead.")
                                    ^
../boost/config/pragma_message.hpp:24:34: note: expanded from macro 'BOOST_PRAGMA_MESSAGE'
# define BOOST_PRAGMA_MESSAGE(x) _Pragma(BOOST_STRINGIZE(message(x)))
                                 ^
<scratch space>:30:2: note: expanded from here
 message("This header is deprecated. Use " "the facilities in <boost/timer/timer.hpp>" " instead.")
 ^
1 warning and 1 error generated.