In file included from /usr/include/c++/10.1.0/thread:43,

                 from /builder/maxscale/src/maxscale-2.5.1/maxutils/maxbase/include/maxbase/worker.hh:22,

                 from /builder/maxscale/src/maxscale-2.5.1/include/maxscale/dcb.hh:25,

                 from /builder/maxscale/src/maxscale-2.5.1/include/maxscale/session.hh:21,

                 from /builder/maxscale/src/maxscale-2.5.1/server/modules/filter/cache/test/../cache.hh:21,

                 from /builder/maxscale/src/maxscale-2.5.1/server/modules/filter/cache/test/tester.cc:18:

/usr/include/c++/10.1.0/chrono: In instantiation of 'struct std::chrono::time_point<std::chrono::_V2::steady_clock, maxbase::Duration>':

/builder/maxscale/src/maxscale-2.5.1/maxutils/maxbase/include/maxbase/stopwatch.hh:123:15:   required from here

/usr/include/c++/10.1.0/chrono:764:37: error: static assertion failed: duration must be a specialization of std::chrono::duration

  764 |  static_assert(__is_duration<_Dur>::value,

      |                                     ^~~~~

make[2]: *** [server/modules/filter/cache/test/CMakeFiles/cachetester.dir/build.make:82: server/modules/filter/cache/test/CMakeFiles/cachetester.dir/tester.cc.o] Error 1

make[1]: *** [CMakeFiles/Makefile2:5136: server/modules/filter/cache/test/CMakeFiles/cachetester.dir/all] Error 2