cpython/2.7.18: WARN: Visual Studio versions 14 and higher are not supported cpython/2.7.18: WARN: Build folder is dirty, removing it: C:\J\w\cci_PR-1510@2\.conan\data\cpython\2.7.18\_\_\build\43f2fd48df3fe6916c11f44638d2173636c4570e cpython/2.7.18: ERROR: Package '43f2fd48df3fe6916c11f44638d2173636c4570e' build failed cpython/2.7.18: WARN: Build folder C:\J\w\cci_PR-1510@2\.conan\data\cpython\2.7.18\_\_\build\43f2fd48df3fe6916c11f44638d2173636c4570e ERROR: cpython/2.7.18: Error in build() method, line 327 self._msvc_build() while calling '_msvc_build', line 310 platforms=self._msvc_archs, properties=msbuild_properties) ConanException: Error 1 while executing set "VSCMD_START_DIR=%CD%" && call "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC/Auxiliary/Build/vcvarsall.bat" amd64 && msbuild "source_subfolder\PCBuild\_elementtree.vcxproj" /p:Configuration="Release" /p:UseEnv=true /p:Platform="x64" /m:1 /p:PlatformToolset="v141" /verbosity:minimal /p:ForceImportBeforeCppTargets="C:\J\w\cci_PR-1510@2\.conan\data\cpython\2.7.18\_\_\build\43f2fd48df3fe6916c11f44638d2173636c4570e\conan_build.props" /p:IncludeExternals="true"