In file included from ./boost/phoenix/core/preprocessed/expression.hpp:12:0,
                 from ./boost/phoenix/core/expression.hpp:21,
                 from ./boost/phoenix/core/argument.hpp:14,
                 from ./boost/phoenix/core.hpp:17,
                 from ./boost/phoenix/phoenix.hpp:11,
                 from ./boost/phoenix.hpp:11,
                 from phoenix_bind_test.cpp:1:
./boost/phoenix/core/preprocessed/expression_10.hpp: In instantiation of ‘static boost::phoenix::expr_ext<Actor, Tag, A0, A1>::type boost::phoenix::expr_ext<Actor, Tag, A0, A1>::make(typename boost::call_traits<A0>::param_type, typename boost::call_traits<A1>::param_type) [with Actor = boost::phoenix::actor; Tag = boost::phoenix::detail::tag::function_eval; A0 = boost::phoenix::detail::function_ptr<1, std::basic_string<char>, std::basic_string<char> (*)(const boost::log::v2s_mt_posix::value_ref<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::trivial::tag::severity>&)>; A1 = boost::log::v2s_mt_posix::expressions::attribute_keyword<boost::log::v2s_mt_posix::trivial::tag::severity>; boost::phoenix::expr_ext<Actor, Tag, A0, A1>::type = boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::detail::tag::function_eval, boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::function_ptr<1, std::basic_string<char>, std::basic_string<char> (*)(const boost::log::v2s_mt_posix::value_ref<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::trivial::tag::severity>&)> >, 0l>, boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor> >, 2l> >; typename boost::call_traits<A0>::param_type = const boost::phoenix::detail::function_ptr<1, std::basic_string<char>, std::basic_string<char> (*)(const boost::log::v2s_mt_posix::value_ref<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::trivial::tag::severity>&)>&; typename boost::call_traits<A1>::param_type = const boost::log::v2s_mt_posix::expressions::attribute_keyword<boost::log::v2s_mt_posix::trivial::tag::severity>&]’:
./boost/phoenix/bind/bind_function.hpp:45:83:   required from ‘const typename boost::phoenix::detail::expression::function_eval<boost::phoenix::detail::function_ptr<1, RT, RT (*)(T0)>, A0>::type boost::phoenix::bind(RT (*)(T0), const A0&) [with RT = std::basic_string<char>; T0 = const boost::log::v2s_mt_posix::value_ref<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::trivial::tag::severity>&; A0 = boost::log::v2s_mt_posix::expressions::attribute_keyword<boost::log::v2s_mt_posix::trivial::tag::severity>; typename boost::phoenix::detail::expression::function_eval<boost::phoenix::detail::function_ptr<1, RT, RT (*)(T0)>, A0>::type = boost::phoenix::actor<boost::proto::exprns_::basic_expr<boost::phoenix::detail::tag::function_eval, boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::function_ptr<1, std::basic_string<char>, std::basic_string<char> (*)(const boost::log::v2s_mt_posix::value_ref<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::trivial::tag::severity>&)> >, 0l>, boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor> >, 2l> >]’
phoenix_bind_test.cpp:26:100:   required from here
./boost/phoenix/core/preprocessed/expression_10.hpp:98:17: error: could not convert ‘boost::proto::make_expr<boost::phoenix::detail::tag::function_eval, boost::proto::domainns_::basic_default_domain, boost::phoenix::detail::function_ptr<1, std::basic_string<char>, std::basic_string<char> (*)(const boost::log::v2s_mt_posix::value_ref<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::trivial::tag::severity>&)>, boost::log::v2s_mt_posix::expressions::attribute_keyword<boost::log::v2s_mt_posix::trivial::tag::severity> >((* & a0), (* & a1))’ from ‘const type {aka const boost::proto::exprns_::basic_expr<boost::phoenix::detail::tag::function_eval, boost::proto::argsns_::list2<boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::function_ptr<1, std::basic_string<char>, std::basic_string<char> (*)(const boost::log::v2s_mt_posix::value_ref<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::trivial::tag::severity>&)> >, 0l>, boost::log::v2s_mt_posix::expressions::attribute_keyword<boost::log::v2s_mt_posix::trivial::tag::severity> >, 2l>}’ to ‘boost::proto::exprns_::basic_expr<boost::proto::tagns_::tag::terminal, boost::proto::argsns_::term<boost::phoenix::detail::function_ptr<1, std::basic_string<char>, std::basic_string<char> (*)(const boost::log::v2s_mt_posix::value_ref<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::trivial::tag::severity>&)> >, 0l>::proto_child0 {aka boost::phoenix::detail::function_ptr<1, std::basic_string<char>, std::basic_string<char> (*)(const boost::log::v2s_mt_posix::value_ref<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::trivial::tag::severity>&)>}’
./boost/phoenix/core/preprocessed/expression_10.hpp:98:17: error: no matching function for call to ‘boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>::attribute_actor(<brace-enclosed initializer list>)’
./boost/phoenix/core/preprocessed/expression_10.hpp:98:17: note: candidates are:
In file included from ./boost/log/expressions.hpp:20:0,
                 from phoenix_bind_test.cpp:3:
./boost/log/expressions/attr.hpp:174:14: note: boost::log::v2s_mt_posix::expressions::attribute_actor<T, FallbackPolicyT, TagT, ActorT>::attribute_actor(const base_type&) [with T = boost::log::v2s_mt_posix::trivial::severity_level; FallbackPolicyT = boost::log::v2s_mt_posix::fallback_to_none; TagT = boost::log::v2s_mt_posix::trivial::tag::severity; ActorT = boost::phoenix::actor; boost::log::v2s_mt_posix::expressions::attribute_actor<T, FallbackPolicyT, TagT, ActorT>::base_type = boost::phoenix::actor<boost::log::v2s_mt_posix::expressions::attribute_terminal<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity> >]
./boost/log/expressions/attr.hpp:174:14: note:   candidate expects 1 argument, 0 provided
./boost/log/expressions/attr.hpp:156:7: note: boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>::attribute_actor(const boost::log::v2s_mt_posix::expressions::attribute_actor<boost::log::v2s_mt_posix::trivial::severity_level, boost::log::v2s_mt_posix::fallback_to_none, boost::log::v2s_mt_posix::trivial::tag::severity, boost::phoenix::actor>&)
./boost/log/expressions/attr.hpp:156:7: note:   candidate expects 1 argument, 0 provided