********************************************************************************
conan test conan-center-index/recipes/logr/all/test_package/conanfile.py logr/0.2.0@#14db95899d027a470722e9f3b8015239 -pr /home/conan/w/prod/BuildSingleReference/141139/701c60e0-51aa-4193-b3bd-babf8e1f913e/profile_linux_5_libstdcpp11_gcc_release_64..txt -c tools.system.package_manager:mode=install -c tools.system.package_manager:sudo=True
********************************************************************************
Configuration:
[settings]
arch=x86_64
build_type=Release
compiler=gcc
compiler.libcxx=libstdc++11
compiler.version=5
os=Linux
[options]
[build_requires]
[env]
[conf]
tools.system.package_manager:mode=install
tools.system.package_manager:sudo=True

logr/0.2.0 (test package): Installing package
Requirements
    fmt/8.1.1 from 'conan-center' - Cache
    logr/0.2.0 from local cache - Cache
    spdlog/1.9.2 from 'conan-center' - Cache
Packages
    fmt/8.1.1:a5622e849a9e9eb7139d949a99ea937ba24b3bef - Cache
    logr/0.2.0:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Cache
    spdlog/1.9.2:b4ad0e2a37e884247c5e8d871902e85bdf1ff065 - Cache

Installing (downloading, building) binaries...
fmt/8.1.1: Already installed!
spdlog/1.9.2: Already installed!
logr/0.2.0: Already installed!
logr/0.2.0 (test package): Generator 'VirtualRunEnv' calling 'generate()'
logr/0.2.0 (test package): Generator txt created conanbuildinfo.txt
logr/0.2.0 (test package): Generator 'CMakeDeps' calling 'generate()'
logr/0.2.0 (test package): Generator 'CMakeToolchain' calling 'generate()'
logr/0.2.0 (test package): Preset 'release' added to CMakePresets.json. Invoke it manually using 'cmake --preset release'
logr/0.2.0 (test package): If your CMake version is not compatible with CMakePresets (<3.19) call cmake like: 'cmake <path> -G "Unix Makefiles" -DCMAKE_TOOLCHAIN_FILE=/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/build/generators/conan_toolchain.cmake -DCMAKE_POLICY_DEFAULT_CMP0091=NEW -DCMAKE_BUILD_TYPE=Release'
logr/0.2.0 (test package): Aggregating env generators
logr/0.2.0 (test package): Generated conaninfo.txt
logr/0.2.0 (test package): Generated graphinfo
Using lockfile: '/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/build/generators/conan.lock'
Using cached profile from lockfile
[HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] 'fPIC' option not found
[HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] OK
logr/0.2.0 (test package): Calling build()
logr/0.2.0 (test package): CMake command: cmake -G "Unix Makefiles" -DCMAKE_TOOLCHAIN_FILE="/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/build/generators/conan_toolchain.cmake" -DCMAKE_POLICY_DEFAULT_CMP0091="NEW" -DCMAKE_BUILD_TYPE="Release" "/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/."

----Running------
> cmake -G "Unix Makefiles" -DCMAKE_TOOLCHAIN_FILE="/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/build/generators/conan_toolchain.cmake" -DCMAKE_POLICY_DEFAULT_CMP0091="NEW" -DCMAKE_BUILD_TYPE="Release" "/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/."
-----------------
-- Using Conan toolchain: /home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/build/generators/conan_toolchain.cmake
-- The CXX compiler identification is GNU 5.4.0
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/g++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Conan: Component target declared 'logr::logr_base'
-- Conan: Component target declared 'logr::logr_spdlog'
-- Conan: Target declared 'logr::logr'
-- Conan: Component target declared 'fmt::fmt'
-- Conan: Component target declared 'spdlog::spdlog'
-- Configuring done
-- Generating done
-- Build files have been written to: /home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/build/Release
logr/0.2.0 (test package): CMake command: cmake --build "/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/build/Release" '--' '-j3'

----Running------
> cmake --build "/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/build/Release" '--' '-j3'
-----------------
Scanning dependencies of target test_package
[ 50%] Building CXX object CMakeFiles/test_package.dir/example.cpp.o
CMakeFiles/test_package.dir/build.make:81: recipe for target 'CMakeFiles/test_package.dir/example.cpp.o' failed
CMakeFiles/Makefile2:94: recipe for target 'CMakeFiles/test_package.dir/all' failed
Makefile:102: recipe for target 'all' failed
In file included from /home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/spdlog_backend.hpp:11:0,
                 from /home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/example.cpp:6:
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:40:32: error: ‘basic_string_view’ in namespace ‘std’ does not name a template type
     using string_view_t = std::basic_string_view< CharT >;
                                ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:47:5: error: ‘string_view_t’ does not name a type
     string_view_t make_view() const noexcept
     ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp: In constructor ‘logr::write_to_ouput_wrapper_t<Buffer>::write_to_ouput_wrapper_t(Buffer&)’:
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:97:24: error: ‘is_trivially_copyable_v’ is not a member of ‘std’
         static_assert( std::is_trivially_copyable_v< self_type_t > );
                        ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:97:66: error: expected primary-expression before ‘>’ token
         static_assert( std::is_trivially_copyable_v< self_type_t > );
                                                                  ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:97:68: error: expected primary-expression before ‘)’ token
         static_assert( std::is_trivially_copyable_v< self_type_t > );
                                                                    ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:97:68: error: expected ‘,’ before ‘)’ token
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:97:68: error: expected string-literal before ‘)’ token
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp: At global scope:
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:381:9: error: ‘is_invocable_r’ is not a member of ‘std’
         std::is_invocable_r< string_view_t, Message_Builder >::value;
         ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:381:43: error: expected primary-expression before ‘,’ token
         std::is_invocable_r< string_view_t, Message_Builder >::value;
                                           ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:381:64: error: ‘is_by_return_msg_producer_v’ declared as an ‘inline’ field
         std::is_invocable_r< string_view_t, Message_Builder >::value;
                                                                ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:385:9: error: ‘is_invocable_v’ is not a member of ‘std’
         std::is_invocable_v<
         ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:386:28: error: expected primary-expression before ‘,’ token
             Message_Builder,
                            ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:388:126: error: ‘is_by_writeto_msg_producer_v’ declared as an ‘inline’ field
                 message_buffer_t > > || std::is_invocable_v< Message_Builder, write_to_ouput_wrapper_t< message_buffer_t > & >;
                                                                                                                              ^
In file included from /home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/spdlog_backend.hpp:11:0,
                 from /home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/example.cpp:6:
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:393:34: error: ‘valid_message_producer_v’ declared as an ‘inline’ field
             Message_Builder > || is_by_writeto_msg_producer_v< Message_Builder >;
                                  ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp: In member function ‘void logr::basic_logger_type_t<Inline_Size, CharT, Allocator, Log_Level_Driver>::message(Message_Builder)’:
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:482:16: error: expected ‘(’ before ‘constexpr’
             if constexpr( is_by_return_msg_producer_v<
                ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:487:13: error: expected ‘}’ before ‘else’
             else
             ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:496:46: error: missing template arguments before ‘out’
                     write_to_ouput_wrapper_t out{ msg.msg_buffer() };
                                              ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:497:34: error: ‘out’ was not declared in this scope
                     msg_builder( out );
                                  ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp: In member function ‘void logr::basic_logger_type_t<Inline_Size, CharT, Allocator, Log_Level_Driver>::message(logr::src_location_t, Message_Builder)’:
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:514:16: error: expected ‘(’ before ‘constexpr’
             if constexpr( is_by_return_msg_producer_v< Message_Builder > )
                ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:518:13: error: expected ‘}’ before ‘else’
             else
             ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:527:46: error: missing template arguments before ‘out’
                     write_to_ouput_wrapper_t out{ msg.msg_buffer() };
                                              ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:528:34: error: ‘out’ was not declared in this scope
                     msg_builder( out );
                                  ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp: In member function ‘void logr::basic_logger_type_t<Inline_Size, CharT, Allocator, Log_Level_Driver>::log_message_level_x(Args&& ...)’:
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:856:12: error: expected ‘(’ before ‘constexpr’
         if constexpr( Level == log_message_level::trace )
            ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:860:9: error: ‘else’ without a previous ‘if’
         else if constexpr( Level == log_message_level::debug )
         ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:860:17: error: expected ‘(’ before ‘constexpr’
         else if constexpr( Level == log_message_level::debug )
                 ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:864:9: error: ‘else’ without a previous ‘if’
         else if constexpr( Level == log_message_level::info )
         ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:864:17: error: expected ‘(’ before ‘constexpr’
         else if constexpr( Level == log_message_level::info )
                 ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:868:9: error: ‘else’ without a previous ‘if’
         else if constexpr( Level == log_message_level::warn )
         ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:868:17: error: expected ‘(’ before ‘constexpr’
         else if constexpr( Level == log_message_level::warn )
                 ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:872:9: error: ‘else’ without a previous ‘if’
         else if constexpr( Level == log_message_level::error )
         ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:872:17: error: expected ‘(’ before ‘constexpr’
         else if constexpr( Level == log_message_level::error )
                 ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:876:9: error: ‘else’ without a previous ‘if’
         else if constexpr( Level == log_message_level::critical )
         ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:876:17: error: expected ‘(’ before ‘constexpr’
         else if constexpr( Level == log_message_level::critical )
                 ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:880:9: error: ‘else’ without a previous ‘if’
         else
         ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:891:18: error: ‘is_same_v’ is not a member of ‘std’
                 !std::is_same_v< dummy_type_t, dummy_type_t >,  // Always false.
                  ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:891:46: error: expected primary-expression before ‘,’ token
                 !std::is_same_v< dummy_type_t, dummy_type_t >,  // Always false.
                                              ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:891:48: error: expected string-literal before ‘dummy_type_t’
                 !std::is_same_v< dummy_type_t, dummy_type_t >,  // Always false.
                                                ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:891:48: error: expected ‘)’ before ‘dummy_type_t’
In file included from /home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/spdlog_backend.hpp:11:0,
                 from /home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/example.cpp:6:
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp: In instantiation of ‘class logr::basic_logger_type_t<1024ul, char, std::allocator<char>, logr::st_log_level_driver_t>’:
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/spdlog_backend.hpp:42:7:   required from ‘class logr::basic_spdlog_logger_t<1024ul, std::allocator<char> >’
/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/example.cpp:17:5:   required from here
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:376:73: error: no type named ‘string_view_t’ in ‘using message_container_t = class logr::details::basic_small_message_container_t<1024ul, char, std::allocator<char> > {aka class logr::details::basic_small_message_container_t<1024ul, char, std::allocator<char> >}’
     using string_view_t    = typename message_container_t::string_view_t;
                                                                         ^
/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/example.cpp: In function ‘int main()’:
/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/example.cpp:30:7: error: no matching function for call to ‘logr::basic_spdlog_logger_t<1024ul, std::allocator<char> >::info(main()::<lambda(auto:1&)>)’
     } );
       ^
In file included from /home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/spdlog_backend.hpp:11:0,
                 from /home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/example.cpp:6:
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:654:10: note: candidate: template<class Message_Builder, class> void logr::basic_logger_type_t<Inline_Size, CharT, Allocator, Log_Level_Driver>::info(Message_Builder) [with Message_Builder = Message_Builder; <template-parameter-2-2> = <template-parameter-1-2>; long unsigned int Inline_Size = 1024ul; CharT = char; Allocator = std::allocator<char>; Log_Level_Driver = logr::st_log_level_driver_t]
     void info( Message_Builder msg_builder )
          ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:654:10: note:   template argument deduction/substitution failed:
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:662:10: note: candidate: template<class Message_Builder, class> void logr::basic_logger_type_t<Inline_Size, CharT, Allocator, Log_Level_Driver>::info(logr::no_src_location_t, Message_Builder) [with Message_Builder = Message_Builder; <template-parameter-2-2> = <template-parameter-1-2>; long unsigned int Inline_Size = 1024ul; CharT = char; Allocator = std::allocator<char>; Log_Level_Driver = logr::st_log_level_driver_t]
     void info( no_src_location_t, Message_Builder msg_builder )
          ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:662:10: note:   template argument deduction/substitution failed:
/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/example.cpp:30:7: note:   cannot convert ‘<lambda closure object>main()::<lambda(auto:1&)>{}’ (type ‘main()::<lambda(auto:1&)>’) to type ‘logr::no_src_location_t’
     } );
       ^
In file included from /home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/spdlog_backend.hpp:11:0,
                 from /home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/example.cpp:6:
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:670:10: note: candidate: template<class Message_Builder, class> void logr::basic_logger_type_t<Inline_Size, CharT, Allocator, Log_Level_Driver>::info(logr::src_location_t, Message_Builder) [with Message_Builder = Message_Builder; <template-parameter-2-2> = <template-parameter-1-2>; long unsigned int Inline_Size = 1024ul; CharT = char; Allocator = std::allocator<char>; Log_Level_Driver = logr::st_log_level_driver_t]
     void info( src_location_t src_location, Message_Builder msg_builder )
          ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:670:10: note:   template argument deduction/substitution failed:
/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/example.cpp:30:7: note:   cannot convert ‘<lambda closure object>main()::<lambda(auto:1&)>{}’ (type ‘main()::<lambda(auto:1&)>’) to type ‘logr::src_location_t’
     } );
       ^
make[2]: *** [CMakeFiles/test_package.dir/example.cpp.o] Error 1
make[1]: *** [CMakeFiles/test_package.dir/all] Error 2
make: *** [all] Error 2
WARN: spdlog/1.9.2: requirement fmt/8.0.1 overridden by logr/0.2.0 to fmt/8.1.1 
logr/0.2.0 (test package): WARN: Using the new toolchains and generators without specifying a build profile (e.g: -pr:b=default) is discouraged and might cause failures and unexpected behavior
logr/0.2.0 (test package): WARN: Using the new toolchains and generators without specifying a build profile (e.g: -pr:b=default) is discouraged and might cause failures and unexpected behavior
ERROR: logr/0.2.0 (test package): Error in build() method, line 21
	cmake.build()
	ConanException: Error 2 while executing cmake --build "/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/build/Release" '--' '-j3'
********************************************************************************
conan test conan-center-index/recipes/logr/all/test_v1_package/conanfile.py logr/0.2.0@#14db95899d027a470722e9f3b8015239 -pr /home/conan/w/prod/BuildSingleReference/141139/701c60e0-51aa-4193-b3bd-babf8e1f913e/profile_linux_5_libstdcpp11_gcc_release_64..txt -c tools.system.package_manager:mode=install -c tools.system.package_manager:sudo=True
********************************************************************************
Configuration:
[settings]
arch=x86_64
build_type=Release
compiler=gcc
compiler.libcxx=libstdc++11
compiler.version=5
os=Linux
[options]
[build_requires]
[env]
[conf]
tools.system.package_manager:mode=install
tools.system.package_manager:sudo=True

logr/0.2.0 (test package): Installing package
Requirements
    fmt/8.1.1 from 'conan-center' - Cache
    logr/0.2.0 from local cache - Cache
    spdlog/1.9.2 from 'conan-center' - Cache
Packages
    fmt/8.1.1:a5622e849a9e9eb7139d949a99ea937ba24b3bef - Cache
    logr/0.2.0:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Cache
    spdlog/1.9.2:b4ad0e2a37e884247c5e8d871902e85bdf1ff065 - Cache

Installing (downloading, building) binaries...
fmt/8.1.1: Already installed!
spdlog/1.9.2: Already installed!
logr/0.2.0: Already installed!
logr/0.2.0 (test package): Generator cmake_find_package created Findlogr.cmake
logr/0.2.0 (test package): Generator cmake_find_package created Findspdlog.cmake
logr/0.2.0 (test package): Generator cmake_find_package created Findfmt.cmake
logr/0.2.0 (test package): Generator cmake created conanbuildinfo.cmake
logr/0.2.0 (test package): Generator txt created conanbuildinfo.txt
logr/0.2.0 (test package): Aggregating env generators
logr/0.2.0 (test package): Generated conaninfo.txt
logr/0.2.0 (test package): Generated graphinfo
Using lockfile: '/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_v1_package/build/aa812f66cc25d52e62cde1f093beffcc1fbfe3f8/conan.lock'
Using cached profile from lockfile
[HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] 'fPIC' option not found
[HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] OK
logr/0.2.0 (test package): Calling build()

----Running------
> cd '/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_v1_package/build/aa812f66cc25d52e62cde1f093beffcc1fbfe3f8' && cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE="Release" -DCONAN_IN_LOCAL_CACHE="OFF" -DCONAN_COMPILER="gcc" -DCONAN_COMPILER_VERSION="5" -DCONAN_CXX_FLAGS="-m64" -DCONAN_SHARED_LINKER_FLAGS="-m64" -DCONAN_C_FLAGS="-m64" -DCONAN_LIBCXX="libstdc++11" -DCMAKE_INSTALL_PREFIX="/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_v1_package/build/aa812f66cc25d52e62cde1f093beffcc1fbfe3f8/package" -DCMAKE_INSTALL_BINDIR="bin" -DCMAKE_INSTALL_SBINDIR="bin" -DCMAKE_INSTALL_LIBEXECDIR="bin" -DCMAKE_INSTALL_LIBDIR="lib" -DCMAKE_INSTALL_INCLUDEDIR="include" -DCMAKE_INSTALL_OLDINCLUDEDIR="include" -DCMAKE_INSTALL_DATAROOTDIR="share" -DCMAKE_MODULE_PATH="/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_v1_package/build/aa812f66cc25d52e62cde1f093beffcc1fbfe3f8" -DCMAKE_EXPORT_NO_PACKAGE_REGISTRY="ON" -DCONAN_EXPORTED="1" -Wno-dev '/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_v1_package'
-----------------
-- The CXX compiler identification is GNU 5.4.0
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/g++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Conan: called by CMake conan helper
-- Conan: Adjusting output directories
-- Conan: Using cmake targets configuration
-- Library spdlog found /home/conan/w/prod/BuildSingleReference/.conan/data/spdlog/1.9.2/_/_/package/b4ad0e2a37e884247c5e8d871902e85bdf1ff065/lib/libspdlog.a
-- Library fmt found /home/conan/w/prod/BuildSingleReference/.conan/data/fmt/8.1.1/_/_/package/a5622e849a9e9eb7139d949a99ea937ba24b3bef/lib/libfmt.a
-- Conan: Adjusting default RPATHs Conan policies
-- Conan: Adjusting language standard
-- Conan: Compiler GCC>=5, checking major version 5
-- Conan: Checking correct version: 5
-- Conan: C++ stdlib: libstdc++11
-- Conan: Using autogenerated Findlogr.cmake
-- Found logr: 0.2.0 (found version "0.2.0") 
-- Conan: Using autogenerated Findspdlog.cmake
-- Found spdlog: 1.9.2 (found version "1.9.2") 
-- Library spdlog found /home/conan/w/prod/BuildSingleReference/.conan/data/spdlog/1.9.2/_/_/package/b4ad0e2a37e884247c5e8d871902e85bdf1ff065/lib/libspdlog.a
-- Skipping already existing target: CONAN_LIB::spdlog_spdlog
-- Found: /home/conan/w/prod/BuildSingleReference/.conan/data/spdlog/1.9.2/_/_/package/b4ad0e2a37e884247c5e8d871902e85bdf1ff065/lib/libspdlog.a
-- Conan: Using autogenerated Findfmt.cmake
-- Found fmt: 8.1.1 (found version "8.1.1") 
-- Library fmt found /home/conan/w/prod/BuildSingleReference/.conan/data/fmt/8.1.1/_/_/package/a5622e849a9e9eb7139d949a99ea937ba24b3bef/lib/libfmt.a
-- Skipping already existing target: CONAN_LIB::fmt_fmt
-- Found: /home/conan/w/prod/BuildSingleReference/.conan/data/fmt/8.1.1/_/_/package/a5622e849a9e9eb7139d949a99ea937ba24b3bef/lib/libfmt.a
-- Library fmt found /home/conan/w/prod/BuildSingleReference/.conan/data/fmt/8.1.1/_/_/package/a5622e849a9e9eb7139d949a99ea937ba24b3bef/lib/libfmt.a
-- Found: /home/conan/w/prod/BuildSingleReference/.conan/data/fmt/8.1.1/_/_/package/a5622e849a9e9eb7139d949a99ea937ba24b3bef/lib/libfmt.a
-- Library spdlog found /home/conan/w/prod/BuildSingleReference/.conan/data/spdlog/1.9.2/_/_/package/b4ad0e2a37e884247c5e8d871902e85bdf1ff065/lib/libspdlog.a
-- Found: /home/conan/w/prod/BuildSingleReference/.conan/data/spdlog/1.9.2/_/_/package/b4ad0e2a37e884247c5e8d871902e85bdf1ff065/lib/libspdlog.a
-- Conan: Dependency fmt already found
-- Configuring done
-- Generating done
-- Build files have been written to: /home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_v1_package/build/aa812f66cc25d52e62cde1f093beffcc1fbfe3f8

----Running------
> cmake --build '/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_v1_package/build/aa812f66cc25d52e62cde1f093beffcc1fbfe3f8' '--' '-j3'
-----------------
Scanning dependencies of target test_package
[ 50%] Building CXX object CMakeFiles/test_package.dir/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/example.cpp.o
CMakeFiles/test_package.dir/build.make:81: recipe for target 'CMakeFiles/test_package.dir/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/example.cpp.o' failed
CMakeFiles/Makefile2:94: recipe for target 'CMakeFiles/test_package.dir/all' failed
Makefile:102: recipe for target 'all' failed
CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY
    CMAKE_INSTALL_BINDIR
    CMAKE_INSTALL_DATAROOTDIR
    CMAKE_INSTALL_INCLUDEDIR
    CMAKE_INSTALL_LIBDIR
    CMAKE_INSTALL_LIBEXECDIR
    CMAKE_INSTALL_OLDINCLUDEDIR
    CMAKE_INSTALL_SBINDIR


In file included from /home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/spdlog_backend.hpp:11:0,
                 from /home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/example.cpp:6:
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:40:32: error: ‘basic_string_view’ in namespace ‘std’ does not name a template type
     using string_view_t = std::basic_string_view< CharT >;
                                ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:47:5: error: ‘string_view_t’ does not name a type
     string_view_t make_view() const noexcept
     ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp: In constructor ‘logr::write_to_ouput_wrapper_t<Buffer>::write_to_ouput_wrapper_t(Buffer&)’:
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:97:24: error: ‘is_trivially_copyable_v’ is not a member of ‘std’
         static_assert( std::is_trivially_copyable_v< self_type_t > );
                        ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:97:66: error: expected primary-expression before ‘>’ token
         static_assert( std::is_trivially_copyable_v< self_type_t > );
                                                                  ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:97:68: error: expected primary-expression before ‘)’ token
         static_assert( std::is_trivially_copyable_v< self_type_t > );
                                                                    ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:97:68: error: expected ‘,’ before ‘)’ token
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:97:68: error: expected string-literal before ‘)’ token
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp: At global scope:
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:381:9: error: ‘is_invocable_r’ is not a member of ‘std’
         std::is_invocable_r< string_view_t, Message_Builder >::value;
         ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:381:43: error: expected primary-expression before ‘,’ token
         std::is_invocable_r< string_view_t, Message_Builder >::value;
                                           ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:381:64: error: ‘is_by_return_msg_producer_v’ declared as an ‘inline’ field
         std::is_invocable_r< string_view_t, Message_Builder >::value;
                                                                ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:385:9: error: ‘is_invocable_v’ is not a member of ‘std’
         std::is_invocable_v<
         ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:386:28: error: expected primary-expression before ‘,’ token
             Message_Builder,
                            ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:388:126: error: ‘is_by_writeto_msg_producer_v’ declared as an ‘inline’ field
                 message_buffer_t > > || std::is_invocable_v< Message_Builder, write_to_ouput_wrapper_t< message_buffer_t > & >;
                                                                                                                              ^
In file included from /home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/spdlog_backend.hpp:11:0,
                 from /home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/example.cpp:6:
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:393:34: error: ‘valid_message_producer_v’ declared as an ‘inline’ field
             Message_Builder > || is_by_writeto_msg_producer_v< Message_Builder >;
                                  ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp: In member function ‘void logr::basic_logger_type_t<Inline_Size, CharT, Allocator, Log_Level_Driver>::message(Message_Builder)’:
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:482:16: error: expected ‘(’ before ‘constexpr’
             if constexpr( is_by_return_msg_producer_v<
                ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:487:13: error: expected ‘}’ before ‘else’
             else
             ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:496:46: error: missing template arguments before ‘out’
                     write_to_ouput_wrapper_t out{ msg.msg_buffer() };
                                              ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:497:34: error: ‘out’ was not declared in this scope
                     msg_builder( out );
                                  ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp: In member function ‘void logr::basic_logger_type_t<Inline_Size, CharT, Allocator, Log_Level_Driver>::message(logr::src_location_t, Message_Builder)’:
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:514:16: error: expected ‘(’ before ‘constexpr’
             if constexpr( is_by_return_msg_producer_v< Message_Builder > )
                ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:518:13: error: expected ‘}’ before ‘else’
             else
             ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:527:46: error: missing template arguments before ‘out’
                     write_to_ouput_wrapper_t out{ msg.msg_buffer() };
                                              ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:528:34: error: ‘out’ was not declared in this scope
                     msg_builder( out );
                                  ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp: In member function ‘void logr::basic_logger_type_t<Inline_Size, CharT, Allocator, Log_Level_Driver>::log_message_level_x(Args&& ...)’:
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:856:12: error: expected ‘(’ before ‘constexpr’
         if constexpr( Level == log_message_level::trace )
            ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:860:9: error: ‘else’ without a previous ‘if’
         else if constexpr( Level == log_message_level::debug )
         ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:860:17: error: expected ‘(’ before ‘constexpr’
         else if constexpr( Level == log_message_level::debug )
                 ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:864:9: error: ‘else’ without a previous ‘if’
         else if constexpr( Level == log_message_level::info )
         ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:864:17: error: expected ‘(’ before ‘constexpr’
         else if constexpr( Level == log_message_level::info )
                 ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:868:9: error: ‘else’ without a previous ‘if’
         else if constexpr( Level == log_message_level::warn )
         ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:868:17: error: expected ‘(’ before ‘constexpr’
         else if constexpr( Level == log_message_level::warn )
                 ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:872:9: error: ‘else’ without a previous ‘if’
         else if constexpr( Level == log_message_level::error )
         ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:872:17: error: expected ‘(’ before ‘constexpr’
         else if constexpr( Level == log_message_level::error )
                 ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:876:9: error: ‘else’ without a previous ‘if’
         else if constexpr( Level == log_message_level::critical )
         ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:876:17: error: expected ‘(’ before ‘constexpr’
         else if constexpr( Level == log_message_level::critical )
                 ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:880:9: error: ‘else’ without a previous ‘if’
         else
         ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:891:18: error: ‘is_same_v’ is not a member of ‘std’
                 !std::is_same_v< dummy_type_t, dummy_type_t >,  // Always false.
                  ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:891:46: error: expected primary-expression before ‘,’ token
                 !std::is_same_v< dummy_type_t, dummy_type_t >,  // Always false.
                                              ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:891:48: error: expected string-literal before ‘dummy_type_t’
                 !std::is_same_v< dummy_type_t, dummy_type_t >,  // Always false.
                                                ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:891:48: error: expected ‘)’ before ‘dummy_type_t’
In file included from /home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/spdlog_backend.hpp:11:0,
                 from /home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/example.cpp:6:
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp: In instantiation of ‘class logr::basic_logger_type_t<1024ul, char, std::allocator<char>, logr::st_log_level_driver_t>’:
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/spdlog_backend.hpp:42:7:   required from ‘class logr::basic_spdlog_logger_t<1024ul, std::allocator<char> >’
/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/example.cpp:17:5:   required from here
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:376:73: error: no type named ‘string_view_t’ in ‘using message_container_t = class logr::details::basic_small_message_container_t<1024ul, char, std::allocator<char> > {aka class logr::details::basic_small_message_container_t<1024ul, char, std::allocator<char> >}’
     using string_view_t    = typename message_container_t::string_view_t;
                                                                         ^
/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/example.cpp: In function ‘int main()’:
/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/example.cpp:30:7: error: no matching function for call to ‘logr::basic_spdlog_logger_t<1024ul, std::allocator<char> >::info(main()::<lambda(auto:1&)>)’
     } );
       ^
In file included from /home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/spdlog_backend.hpp:11:0,
                 from /home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/example.cpp:6:
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:654:10: note: candidate: template<class Message_Builder, class> void logr::basic_logger_type_t<Inline_Size, CharT, Allocator, Log_Level_Driver>::info(Message_Builder) [with Message_Builder = Message_Builder; <template-parameter-2-2> = <template-parameter-1-2>; long unsigned int Inline_Size = 1024ul; CharT = char; Allocator = std::allocator<char>; Log_Level_Driver = logr::st_log_level_driver_t]
     void info( Message_Builder msg_builder )
          ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:654:10: note:   template argument deduction/substitution failed:
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:662:10: note: candidate: template<class Message_Builder, class> void logr::basic_logger_type_t<Inline_Size, CharT, Allocator, Log_Level_Driver>::info(logr::no_src_location_t, Message_Builder) [with Message_Builder = Message_Builder; <template-parameter-2-2> = <template-parameter-1-2>; long unsigned int Inline_Size = 1024ul; CharT = char; Allocator = std::allocator<char>; Log_Level_Driver = logr::st_log_level_driver_t]
     void info( no_src_location_t, Message_Builder msg_builder )
          ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:662:10: note:   template argument deduction/substitution failed:
/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/example.cpp:30:7: note:   cannot convert ‘<lambda closure object>main()::<lambda(auto:1&)>{}’ (type ‘main()::<lambda(auto:1&)>’) to type ‘logr::no_src_location_t’
     } );
       ^
In file included from /home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/spdlog_backend.hpp:11:0,
                 from /home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/example.cpp:6:
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:670:10: note: candidate: template<class Message_Builder, class> void logr::basic_logger_type_t<Inline_Size, CharT, Allocator, Log_Level_Driver>::info(logr::src_location_t, Message_Builder) [with Message_Builder = Message_Builder; <template-parameter-2-2> = <template-parameter-1-2>; long unsigned int Inline_Size = 1024ul; CharT = char; Allocator = std::allocator<char>; Log_Level_Driver = logr::st_log_level_driver_t]
     void info( src_location_t src_location, Message_Builder msg_builder )
          ^
/home/conan/w/prod/BuildSingleReference/.conan/data/logr/0.2.0/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/logr/logr.hpp:670:10: note:   template argument deduction/substitution failed:
/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/example.cpp:30:7: note:   cannot convert ‘<lambda closure object>main()::<lambda(auto:1&)>{}’ (type ‘main()::<lambda(auto:1&)>’) to type ‘logr::src_location_t’
     } );
       ^
make[2]: *** [CMakeFiles/test_package.dir/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_package/example.cpp.o] Error 1
make[1]: *** [CMakeFiles/test_package.dir/all] Error 2
make: *** [all] Error 2
WARN: spdlog/1.9.2: requirement fmt/8.0.1 overridden by logr/0.2.0 to fmt/8.1.1 
ERROR: logr/0.2.0 (test package): Error in build() method, line 13
	cmake.build()
	ConanException: Error 2 while executing cmake --build '/home/conan/w/prod/BuildSingleReference/conan-center-index/recipes/logr/all/test_v1_package/build/aa812f66cc25d52e62cde1f093beffcc1fbfe3f8' '--' '-j3'