******************************************************************************** conan test conan-center-index\recipes\mdspan\all\test_package\conanfile.py mdspan/0.5.0@#de992d5dcc0a208ed76df5fc310c1413 -pr C:\J\w\prod\BuildSingleReference@2\162914\a8865e2e-844c-4538-a27b-fe28feae50d4/profile_windows_16_mt_vs_release_64..txt -c tools.system.package_manager:mode=install -c tools.system.package_manager:sudo=True ******************************************************************************** Auto detecting your dev setup to initialize the default profile (C:\J\w\prod\BuildSingleReference@2\.conan\profiles\default) Found Visual Studio 17 Default settings os=Windows os_build=Windows arch=x86_64 arch_build=x86_64 compiler=Visual Studio compiler.version=17 build_type=Release *** You can change them in C:\J\w\prod\BuildSingleReference@2\.conan\profiles\default *** *** Or override with -s compiler='other' -s ...s*** Configuration: [settings] arch=x86_64 build_type=Release compiler=Visual Studio compiler.runtime=MT compiler.version=16 os=Windows [options] [build_requires] [env] [conf] tools.system.package_manager:mode=install tools.system.package_manager:sudo=True mdspan/0.5.0 (test package): Installing package Requirements mdspan/0.5.0 from local cache - Cache Packages mdspan/0.5.0:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Download Installing (downloading, building) binaries... mdspan/0.5.0: Retrieving package 5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 from remote 'c3i_PR-15464' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz mdspan/0.5.0: Package installed 5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 mdspan/0.5.0: Downloaded package revision 16c263a2292a215bb746427fff62facb mdspan/0.5.0 (test package): Generator 'CMakeToolchain' calling 'generate()' mdspan/0.5.0 (test package): Preset 'default' added to CMakePresets.json. Invoke it manually using 'cmake --preset default' mdspan/0.5.0 (test package): If your CMake version is not compatible with CMakePresets (<3.19) call cmake like: 'cmake -G "Visual Studio 16 2019" -DCMAKE_TOOLCHAIN_FILE=C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\generators\conan_toolchain.cmake -DCMAKE_POLICY_DEFAULT_CMP0091=NEW' mdspan/0.5.0 (test package): Generator txt created conanbuildinfo.txt mdspan/0.5.0 (test package): Generator 'VirtualRunEnv' calling 'generate()' mdspan/0.5.0 (test package): Generator 'CMakeDeps' calling 'generate()' mdspan/0.5.0 (test package): Aggregating env generators mdspan/0.5.0 (test package): Generated conaninfo.txt mdspan/0.5.0 (test package): Generated graphinfo Using lockfile: 'C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\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 mdspan/0.5.0 (test package): Calling build() mdspan/0.5.0 (test package): CMake command: cmake -G "Visual Studio 16 2019" -DCMAKE_TOOLCHAIN_FILE="C:/J/w/prod/BuildSingleReference@2/conan-center-index/recipes/mdspan/all/test_package/build/generators/conan_toolchain.cmake" -DCMAKE_POLICY_DEFAULT_CMP0091="NEW" "C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\." ----Running------ > cmake -G "Visual Studio 16 2019" -DCMAKE_TOOLCHAIN_FILE="C:/J/w/prod/BuildSingleReference@2/conan-center-index/recipes/mdspan/all/test_package/build/generators/conan_toolchain.cmake" -DCMAKE_POLICY_DEFAULT_CMP0091="NEW" "C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\." ----------------- -- Using Conan toolchain: C:/J/w/prod/BuildSingleReference@2/conan-center-index/recipes/mdspan/all/test_package/build/generators/conan_toolchain.cmake -- The CXX compiler identification is MSVC 19.29.30147.0 -- Detecting CXX compiler ABI info -- Detecting CXX compiler ABI info - done -- Check for working CXX compiler: C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/VC/Tools/MSVC/14.29.30133/bin/Hostx64/x64/cl.exe - skipped -- Detecting CXX compile features -- Detecting CXX compile features - done -- Conan: Component target declared 'mdspan::_mdspan' -- Conan: Target declared 'std::mdspan' -- Configuring done -- Generating done -- Build files have been written to: C:/J/w/prod/BuildSingleReference@2/conan-center-index/recipes/mdspan/all/test_package/build mdspan/0.5.0 (test package): CMake command: cmake --build "C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build" --config Release ----Running------ > cmake --build "C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build" --config Release ----------------- Microsoft (R) Build Engine version 16.11.2+f32259642 for .NET Framework Copyright (C) Microsoft Corporation. All rights reserved. Checking Build System Building Custom Rule C:/J/w/prod/BuildSingleReference@2/conan-center-index/recipes/mdspan/all/test_package/CMakeLists.txt test_package.cpp C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits/submdspan.hpp(527,1): error C3546: '...': there are no parameter packs available to expand [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\macros.hpp(286,1): error C3520: 'SliceSpecs': parameter pack must be expanded in this context [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits/submdspan.hpp(542): message : see reference to function template instantiation 'decltype(auto) std::__fold_compatibility_impl::__fold_right_and_impl::value,>(Arg &&)' being compiled [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] with [ Arg=is_convertible::value ] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\macros.hpp(286,1): error C2296: '&&': illegal, left operand has type 'Arg &&' [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] with [ Arg=is_convertible::value ] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\macros.hpp(286,1): error C3169: 'decltype(auto)': cannot deduce type for 'auto' from 'bool' [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits/submdspan.hpp(527,1): error C3779: 'std::__fold_compatibility_impl::__fold_right_and_impl': a function that returns 'decltype(auto)' cannot be used before it is defined [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\macros.hpp(285): message : see declaration of 'std::__fold_compatibility_impl::__fold_right_and_impl' [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\extents.hpp(232,1): error C3546: '...': there are no parameter packs available to expand [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits/mdspan.hpp(72): message : see reference to class template instantiation 'std::experimental::extents' being compiled [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] with [ IndexType=size_t ] C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\test_package.cpp(11): message : see reference to class template instantiation 'std::experimental::mdspan,std::experimental::layout_right,std::experimental::default_accessor>' being compiled [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] with [ IndexType=size_t ] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\extents.hpp(239,1): error C3520: 'Integral': parameter pack must be expanded in this context [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\macros.hpp(285): message : see reference to function template instantiation 'decltype(auto) std::__fold_compatibility_impl::__fold_right_and_impl(Arg &&,Args &&...)' being compiled [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\extents.hpp(232,1): error C2660: 'std::__fold_compatibility_impl::__fold_right_and_impl': function does not take 1 arguments [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\macros.hpp(279,26): message : see declaration of 'std::__fold_compatibility_impl::__fold_right_and_impl' [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits/mdspan.hpp(109,1): error C3546: '...': there are no parameter packs available to expand [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\macros.hpp(286,1): error C3520: 'Integral': parameter pack must be expanded in this context [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits/mdspan.hpp(118): message : see reference to function template instantiation 'decltype(auto) std::__fold_compatibility_impl::__fold_right_and_impl::value&,>(Arg)' being compiled [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] with [ Arg=is_convertible::value & ] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\macros.hpp(286,1): error C2296: '&&': illegal, left operand has type 'Arg' [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] with [ Arg=is_convertible::value & ] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits/mdspan.hpp(109,1): error C3779: 'std::__fold_compatibility_impl::__fold_right_and_impl': a function that returns 'decltype(auto)' cannot be used before it is defined [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\macros.hpp(285): message : see declaration of 'std::__fold_compatibility_impl::__fold_right_and_impl' [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\macros.hpp(286,1): error C2296: '&&': illegal, left operand has type 'Arg' [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] with [ Arg=is_nothrow_constructible::value & ] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\layout_right.hpp(157,1): error C3546: '...': there are no parameter packs available to expand [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.29.30133\include\type_traits(593): message : see reference to class template instantiation 'std::experimental::layout_right::mapping>' being compiled [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] with [ IndexType=size_t ] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits/mdspan.hpp(118): message : see reference to class template instantiation 'std::is_constructible>,std::experimental::extents>' being compiled [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] with [ IndexType=size_t ] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\macros.hpp(286,1): error C2296: '&&': illegal, left operand has type 'Arg &&' [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] with [ Arg=is_convertible::value ] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\layout_right.hpp(157,1): error C3779: 'std::__fold_compatibility_impl::__fold_right_and_impl': a function that returns 'decltype(auto)' cannot be used before it is defined [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\macros.hpp(285): message : see declaration of 'std::__fold_compatibility_impl::__fold_right_and_impl' [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits/mdspan.hpp(271,1): error C3546: '...': there are no parameter packs available to expand [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits/mdspan.hpp(271,1): error C3779: 'std::__fold_compatibility_impl::__fold_right_and_impl': a function that returns 'decltype(auto)' cannot be used before it is defined [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\macros.hpp(285): message : see declaration of 'std::__fold_compatibility_impl::__fold_right_and_impl' [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\test_package.cpp(11,78): error C2440: '': cannot convert from 'initializer list' to 'std::experimental::mdspan,std::experimental::layout_right,std::experimental::default_accessor>' [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] with [ IndexType=size_t ] C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\test_package.cpp(11,78): message : No constructor could take the source type, or constructor overload resolution was ambiguous [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\test_package.cpp(15,5): error C3536: 's1': cannot be used before it is initialized [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\test_package.cpp(15,3): error C2064: term does not evaluate to a function taking 3 arguments [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\test_package.cpp(18,22): error C2672: 'std::experimental::submdspan': no matching overloaded function found [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\test_package.cpp(18,60): error C2784: 'auto std::experimental::submdspan(const std::experimental::mdspan &,SliceSpecs...) noexcept': could not deduce template argument for 'const std::experimental::mdspan &' from 'int' [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits/submdspan.hpp(554): message : see declaration of 'std::experimental::submdspan' [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\test_package.cpp(22,39): error C3536: 'sub1': cannot be used before it is initialized [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\test_package.cpp(22,41): error C2109: subscript requires array or pointer type [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build\test_package.vcxproj] mdspan/0.5.0 (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 mdspan/0.5.0 (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: mdspan/0.5.0 (test package): Error in build() method, line 20 cmake.build() ConanException: Error 1 while executing cmake --build "C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\build" --config Release ******************************************************************************** conan test conan-center-index\recipes\mdspan\all\test_v1_package\conanfile.py mdspan/0.5.0@#de992d5dcc0a208ed76df5fc310c1413 -pr C:\J\w\prod\BuildSingleReference@2\162914\a8865e2e-844c-4538-a27b-fe28feae50d4/profile_windows_16_mt_vs_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=Visual Studio compiler.runtime=MT compiler.version=16 os=Windows [options] [build_requires] [env] [conf] tools.system.package_manager:mode=install tools.system.package_manager:sudo=True mdspan/0.5.0 (test package): Installing package Requirements mdspan/0.5.0 from local cache - Cache Packages mdspan/0.5.0:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Cache Installing (downloading, building) binaries... mdspan/0.5.0: Already installed! mdspan/0.5.0 (test package): Generator cmake created conanbuildinfo.cmake mdspan/0.5.0 (test package): Generator cmake_find_package_multi created mdspan-config-version.cmake mdspan/0.5.0 (test package): Generator cmake_find_package_multi created mdspanTarget-release.cmake mdspan/0.5.0 (test package): Generator cmake_find_package_multi created mdspanTargets.cmake mdspan/0.5.0 (test package): Generator cmake_find_package_multi created mdspan-config.cmake mdspan/0.5.0 (test package): Generator txt created conanbuildinfo.txt mdspan/0.5.0 (test package): Aggregating env generators mdspan/0.5.0 (test package): Generated conaninfo.txt mdspan/0.5.0 (test package): Generated graphinfo Using lockfile: 'C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a/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 mdspan/0.5.0 (test package): Calling build() ----Running------ > cd C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a && cmake -G "Visual Studio 16 2019" -A "x64" -DCONAN_LINK_RUNTIME="/MT" -DCONAN_IN_LOCAL_CACHE="OFF" -DCONAN_COMPILER="Visual Studio" -DCONAN_COMPILER_VERSION="16" -DCONAN_CXX_FLAGS="/MP8" -DCONAN_C_FLAGS="/MP8" -DCMAKE_INSTALL_PREFIX="C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\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_PREFIX_PATH="C:/J/w/prod/BuildSingleReference@2/conan-center-index/recipes/mdspan/all/test_v1_package/build/a74c8d06aa05d0d736cc741d1e679b3b5d4f713a" -DCMAKE_MODULE_PATH="C:/J/w/prod/BuildSingleReference@2/conan-center-index/recipes/mdspan/all/test_v1_package/build/a74c8d06aa05d0d736cc741d1e679b3b5d4f713a" -DCMAKE_EXPORT_NO_PACKAGE_REGISTRY="ON" -DCONAN_EXPORTED="1" -Wno-dev C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package ----------------- -- The C compiler identification is MSVC 19.29.30147.0 -- The CXX compiler identification is MSVC 19.29.30147.0 -- Detecting C compiler ABI info -- Detecting C compiler ABI info - done -- Check for working C compiler: C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/VC/Tools/MSVC/14.29.30133/bin/Hostx64/x64/cl.exe - skipped -- Detecting C compile features -- Detecting C compile features - done -- Detecting CXX compiler ABI info -- Detecting CXX compiler ABI info - done -- Check for working CXX compiler: C:/Program Files (x86)/Microsoft Visual Studio/2019/Community/VC/Tools/MSVC/14.29.30133/bin/Hostx64/x64/cl.exe - 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 -- Conan: Adjusting default RPATHs Conan policies -- Conan: Adjusting language standard -- Configuring done -- Generating done -- Build files have been written to: C:/J/w/prod/BuildSingleReference@2/conan-center-index/recipes/mdspan/all/test_v1_package/build/a74c8d06aa05d0d736cc741d1e679b3b5d4f713a ----Running------ > cmake --build C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a --config Release -- /m:8 /verbosity:minimal ----------------- Microsoft (R) Build Engine version 16.11.2+f32259642 for .NET Framework Copyright (C) Microsoft Corporation. All rights reserved. Checking Build System Building Custom Rule C:/J/w/prod/BuildSingleReference@2/conan-center-index/recipes/mdspan/all/test_package/CMakeLists.txt test_package.cpp C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits/submdspan.hpp(527,1): error C3546: '...': there are no parameter packs available to expand [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\macros.hpp(286,1): error C3520: 'SliceSpecs': parameter pack must be expanded in this context [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits/submdspan.hpp(542): message : see reference to function template instantiation 'decltype(auto) std::__fold_compatibility_impl::__fold_right_and_impl::value,>(Arg &&)' being compiled [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] with [ Arg=is_convertible::value ] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\macros.hpp(286,1): error C2296: '&&': illegal, left operand has type 'Arg &&' [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] with [ Arg=is_convertible::value ] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\macros.hpp(286,1): error C3169: 'decltype(auto)': cannot deduce type for 'auto' from 'bool' [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits/submdspan.hpp(527,1): error C3779: 'std::__fold_compatibility_impl::__fold_right_and_impl': a function that returns 'decltype(auto)' cannot be used before it is defined [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\macros.hpp(285): message : see declaration of 'std::__fold_compatibility_impl::__fold_right_and_impl' [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\extents.hpp(232,1): error C3546: '...': there are no parameter packs available to expand [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits/mdspan.hpp(72): message : see reference to class template instantiation 'std::experimental::extents' being compiled [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] with [ IndexType=size_t ] C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\test_package.cpp(11): message : see reference to class template instantiation 'std::experimental::mdspan,std::experimental::layout_right,std::experimental::default_accessor>' being compiled [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] with [ IndexType=size_t ] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\extents.hpp(239,1): error C3520: 'Integral': parameter pack must be expanded in this context [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\macros.hpp(285): message : see reference to function template instantiation 'decltype(auto) std::__fold_compatibility_impl::__fold_right_and_impl(Arg &&,Args &&...)' being compiled [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\extents.hpp(232,1): error C2660: 'std::__fold_compatibility_impl::__fold_right_and_impl': function does not take 1 arguments [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\macros.hpp(279,26): message : see declaration of 'std::__fold_compatibility_impl::__fold_right_and_impl' [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits/mdspan.hpp(109,1): error C3546: '...': there are no parameter packs available to expand [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\macros.hpp(286,1): error C3520: 'Integral': parameter pack must be expanded in this context [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits/mdspan.hpp(118): message : see reference to function template instantiation 'decltype(auto) std::__fold_compatibility_impl::__fold_right_and_impl::value&,>(Arg)' being compiled [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] with [ Arg=is_convertible::value & ] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\macros.hpp(286,1): error C2296: '&&': illegal, left operand has type 'Arg' [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] with [ Arg=is_convertible::value & ] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits/mdspan.hpp(109,1): error C3779: 'std::__fold_compatibility_impl::__fold_right_and_impl': a function that returns 'decltype(auto)' cannot be used before it is defined [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\macros.hpp(285): message : see declaration of 'std::__fold_compatibility_impl::__fold_right_and_impl' [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\macros.hpp(286,1): error C2296: '&&': illegal, left operand has type 'Arg' [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] with [ Arg=is_nothrow_constructible::value & ] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\layout_right.hpp(157,1): error C3546: '...': there are no parameter packs available to expand [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.29.30133\include\type_traits(593): message : see reference to class template instantiation 'std::experimental::layout_right::mapping>' being compiled [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] with [ IndexType=size_t ] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits/mdspan.hpp(118): message : see reference to class template instantiation 'std::is_constructible>,std::experimental::extents>' being compiled [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] with [ IndexType=size_t ] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\macros.hpp(286,1): error C2296: '&&': illegal, left operand has type 'Arg &&' [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] with [ Arg=is_convertible::value ] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\layout_right.hpp(157,1): error C3779: 'std::__fold_compatibility_impl::__fold_right_and_impl': a function that returns 'decltype(auto)' cannot be used before it is defined [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\macros.hpp(285): message : see declaration of 'std::__fold_compatibility_impl::__fold_right_and_impl' [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits/mdspan.hpp(271,1): error C3546: '...': there are no parameter packs available to expand [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits/mdspan.hpp(271,1): error C3779: 'std::__fold_compatibility_impl::__fold_right_and_impl': a function that returns 'decltype(auto)' cannot be used before it is defined [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits\macros.hpp(285): message : see declaration of 'std::__fold_compatibility_impl::__fold_right_and_impl' [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\test_package.cpp(11,78): error C2440: '': cannot convert from 'initializer list' to 'std::experimental::mdspan,std::experimental::layout_right,std::experimental::default_accessor>' [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] with [ IndexType=size_t ] C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\test_package.cpp(11,78): message : No constructor could take the source type, or constructor overload resolution was ambiguous [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\test_package.cpp(15,5): error C3536: 's1': cannot be used before it is initialized [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\test_package.cpp(15,3): error C2064: term does not evaluate to a function taking 3 arguments [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\test_package.cpp(18,22): error C2672: 'std::experimental::submdspan': no matching overloaded function found [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\test_package.cpp(18,60): error C2784: 'auto std::experimental::submdspan(const std::experimental::mdspan &,SliceSpecs...) noexcept': could not deduce template argument for 'const std::experimental::mdspan &' from 'int' [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\.conan\data\mdspan\0.5.0\_\_\package\5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9\include\experimental\__p0009_bits/submdspan.hpp(554): message : see declaration of 'std::experimental::submdspan' [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\test_package.cpp(22,39): error C3536: 'sub1': cannot be used before it is initialized [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_package\test_package.cpp(22,41): error C2109: subscript requires array or pointer type [C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a\test_package\test_package.vcxproj] 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 ERROR: mdspan/0.5.0 (test package): Error in build() method, line 13 cmake.build() ConanException: Error 1 while executing cmake --build C:\J\w\prod\BuildSingleReference@2\conan-center-index\recipes\mdspan\all\test_v1_package\build\a74c8d06aa05d0d736cc741d1e679b3b5d4f713a --config Release -- /m:8 /verbosity:minimal