../libs/uuid/test/test_attribute_packed.cpp:31:10: warning: ignoring packed attribute because of unpacked non-POD field 'boost::uuids::uuid X1::b'
../libs/uuid/test/test_attribute_packed.cpp:37:10: warning: ignoring packed attribute because of unpacked non-POD field 'boost::uuids::uuid X2::a'
                

../libs/uuid/test/test_io.cpp:168:37: warning: 'Ch* boost::uuids::to_chars(const boost::uuids::uuid&, Ch (&)[36]) [with Ch = char]' is deprecated: Use Ch[37] instead of Ch[36] to allow for the null terminator [-Wdeprecated-declarations]