I’m unclear on why these aren’t failing on CI, but they failed for me locally, e.g.:
0In file included from /usr/local/include/boost/test/test_tools.hpp:46:
1/usr/local/include/boost/test/tools/old/impl.hpp:107:17: error: comparison of integers of different signs: 'const unsigned int' and 'const int' [-Werror,-Wsign-compare]
2 return left == right;
3 ~~~~ ^ ~~~~~
4/usr/local/include/boost/test/tools/old/impl.hpp:130:16: note: in instantiation of function template specialization 'boost::test_tools::tt_detail::equal_impl<unsigned int, int>' requested here
5 return equal_impl( left, right );
6 ^
7/usr/local/include/boost/test/tools/old/impl.hpp:145:16: note: in instantiation of function template specialization 'boost::test_tools::tt_detail::equal_impl_frwd::call_impl<unsigned int, int>' requested here
8 return call_impl( left, right, left_is_array() );
9 ^
10/usr/local/include/boost/test/tools/old/impl.hpp:92:50: note: in instantiation of function template specialization 'boost::test_tools::tt_detail::equal_impl_frwd::operator()<unsigned int, int>' requested here
11BOOST_PP_REPEAT( BOOST_TEST_MAX_PREDICATE_ARITY, IMPL_FRWD, _ )
12 ^
13/usr/local/include/boost/preprocessor/repetition/repeat.hpp:30:26: note: expanded from macro 'BOOST_PP_REPEAT'
14 ^
15/usr/local/include/boost/preprocessor/cat.hpp:22:32: note: expanded from macro 'BOOST_PP_CAT'
16 ^
17/usr/local/include/boost/preprocessor/cat.hpp:29:34: note: expanded from macro 'BOOST_PP_CAT_I'
18 ^
19<scratch space>:153:1: note: expanded from here
20BOOST_PP_REPEAT_1
21^
22test/streams_tests.cpp:122:5: note: in instantiation of function template specialization 'boost::test_tools::tt_detail::check_frwd<boost::test_tools::tt_detail::equal_impl_frwd, unsigned int, int>' requested here
23 BOOST_CHECK_EQUAL(varint, 54321);
24 ^
25
26/usr/local/include/boost/test/tools/old/impl.hpp:107:17: error: comparison of integers of different signs: 'const unsigned long long' and 'const long' [-Werror,-Wsign-compare]
27 return left == right;
28 ~~~~ ^ ~~~~~
29/usr/local/include/boost/test/tools/old/impl.hpp:130:16: note: in instantiation of function template specialization 'boost::test_tools::tt_detail::equal_impl<unsigned long long, long>' requested here
30 return equal_impl( left, right );
31 ^
32/usr/local/include/boost/test/tools/old/impl.hpp:145:16: note: in instantiation of function template specialization 'boost::test_tools::tt_detail::equal_impl_frwd::call_impl<unsigned long long, long>' requested here
33 return call_impl( left, right, left_is_array() );
34 ^
35/usr/local/include/boost/test/tools/old/impl.hpp:92:50: note: in instantiation of function template specialization 'boost::test_tools::tt_detail::equal_impl_frwd::operator()<unsigned long long, long>' requested here
36BOOST_PP_REPEAT( BOOST_TEST_MAX_PREDICATE_ARITY, IMPL_FRWD, _ )
37 ^
38/usr/local/include/boost/preprocessor/repetition/repeat.hpp:30:26: note: expanded from macro 'BOOST_PP_REPEAT'
39 ^
40/usr/local/include/boost/preprocessor/cat.hpp:22:32: note: expanded from macro 'BOOST_PP_CAT'
41 ^
42/usr/local/include/boost/preprocessor/cat.hpp:29:34: note: expanded from macro 'BOOST_PP_CAT_I'
43 ^
44<scratch space>:161:1: note: expanded from here
45BOOST_PP_REPEAT_1
46^
47test/serfloat_tests.cpp:41:5: note: in instantiation of function template specialization 'boost::test_tools::tt_detail::check_frwd<boost::test_tools::tt_detail::equal_impl_frwd, unsigned long long, long>' requested here
48 BOOST_CHECK_EQUAL(TestDouble(std::numeric_limits<double>::infinity()), 0x7ff0000000000000);
49 ^