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conan install libsass/3.6.5@ --build=libsass --profile=C:\J\w\BuildSingleReference@6/53258/7ed59195-eb56-495d-a075-84f9249ccbac/profile.txt
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Configuration:
[settings]
arch=x86_64
build_type=Debug
compiler=Visual Studio
compiler.runtime=MTd
compiler.version=16
os=Windows
[options]
libsass:shared=False
[build_requires]
[env]

libsass/3.6.5: Forced build from source
Installing package: libsass/3.6.5
Requirements
    libsass/3.6.5 from local cache - Cache
Packages
    libsass/3.6.5:b2b69efcc79a149e0bc765fb12ba0278d52fc260 - Build

Installing (downloading, building) binaries...
libsass/3.6.5: Copying sources to build folder
libsass/3.6.5: Building your package in C:\J\w\BuildSingleReference@6\.conan\data\libsass\3.6.5\_\_\build\b2b69efcc79a149e0bc765fb12ba0278d52fc260
libsass/3.6.5: Generator txt created conanbuildinfo.txt
libsass/3.6.5: Aggregating env generators
[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
libsass/3.6.5: Calling build()

----Running------
> set "VSCMD_START_DIR=%CD%" && call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC/Auxiliary/Build/vcvarsall.bat" amd64 && devenv "win\libsass.sln" /upgrade && msbuild "win\libsass.sln" /p:Configuration="Debug" /p:UseEnv=true /p:Platform="Win64" /m:16 /p:PlatformToolset="v142" /verbosity:minimal /p:ForceImportBeforeCppTargets="C:\J\w\BuildSingleReference@6\.conan\data\libsass\3.6.5\_\_\build\b2b69efcc79a149e0bc765fb12ba0278d52fc260\source_subfolder\conan_build.props" /p:LIBSASS_STATIC_LIB="true" /p:WholeProgramOptimization="false"
-----------------
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** Visual Studio 2019 Developer Command Prompt v16.8.1
** Copyright (c) 2020 Microsoft Corporation
**********************************************************************
[vcvarsall.bat] Environment initialized for: 'x64'

Microsoft Visual Studio 2019 Version 16.8.1.
Copyright (C) Microsoft Corp. All rights reserved.
Upgrading project 'libsass'...
	Configuration 'Debug|Win32': no platform toolset upgrade required. Platform Toolset is 'v142'.
	Configuration 'Debug|x64': no platform toolset upgrade required. Platform Toolset is 'v142'.
	Configuration 'Release|Win32': no platform toolset upgrade required. Platform Toolset is 'v142'.
	Configuration 'Release|x64': no platform toolset upgrade required. Platform Toolset is 'v142'.

Migration completed successfully, but some warnings were detected during migration.
For more information, see the migration report:
C:\J\w\BuildSingleReference@6\.conan\data\libsass\3.6.5\_\_\build\b2b69efcc79a149e0bc765fb12ba0278d52fc260\source_subfolder\win\UpgradeLog.htm
Microsoft (R) Build Engine version 16.8.1+bd2ea1e3c for .NET Framework
Copyright (C) Microsoft Corporation. All rights reserved.

C:\J\w\BuildSingleReference@6\.conan\data\libsass\3.6.5\_\_\build\b2b69efcc79a149e0bc765fb12ba0278d52fc260\source_subfolder\win\libsass.vcxproj(10,5): warning : fatal: not a git repository (or any of the parent directories): .git
C:\J\w\BuildSingleReference@6\.conan\data\libsass\3.6.5\_\_\build\b2b69efcc79a149e0bc765fb12ba0278d52fc260\source_subfolder\win\libsass.vcxproj(10,5): warning MSB3073: The command "git -C .. describe --abbrev=4 --dirty --always --tags" exited with code 128.
C:\J\w\BuildSingleReference@6\.conan\data\libsass\3.6.5\_\_\build\b2b69efcc79a149e0bc765fb12ba0278d52fc260\source_subfolder\win\libsass.vcxproj(10,5): warning MSB4181: The "Exec" task returned false but did not log an error.
  ast.cpp
  ast_values.cpp
  ast_supports.cpp
  ast_sel_cmp.cpp
  ast_sel_unify.cpp
  ast_sel_super.cpp
  ast_sel_weave.cpp
  ast_selectors.cpp
  context.cpp
  constants.cpp
  fn_utils.cpp
  fn_miscs.cpp
  fn_maps.cpp
  fn_lists.cpp
  fn_colors.cpp
  fn_numbers.cpp
  fn_strings.cpp
  fn_selectors.cpp
  color_maps.cpp
  environment.cpp
  ast_fwd_decl.cpp
  bind.cpp
  file.cpp
  util.cpp
  util_string.cpp
  json.cpp
  units.cpp
  values.cpp
  plugins.cpp
  source.cpp
  position.cpp
  lexer.cpp
  parser.cpp
  parser_selectors.cpp
  prelexer.cpp
  eval.cpp
  eval_selectors.cpp
  expand.cpp
  listize.cpp
  cssize.cpp
  extender.cpp
  extension.cpp
  stylesheet.cpp
  output.cpp
  inspect.cpp
  emitter.cpp
  check_nesting.cpp
  remove_placeholders.cpp
  sass.cpp
  sass_values.cpp
  sass_context.cpp
  sass_functions.cpp
  sass2scss.cpp
  backtrace.cpp
  operators.cpp
  ast2c.cpp
  c2ast.cpp
  to_value.cpp
  source_map.cpp
  error_handling.cpp
  allocator.cpp
  shared_ptr.cpp
  utf8_string.cpp
  base64vlq.cpp
  cencode.c
Attempting to cancel the build...
libsass/3.6.5: 
libsass/3.6.5: ERROR: Package 'b2b69efcc79a149e0bc765fb12ba0278d52fc260' build failed
libsass/3.6.5: WARN: Build folder C:\J\w\BuildSingleReference@6\.conan\data\libsass\3.6.5\_\_\build\b2b69efcc79a149e0bc765fb12ba0278d52fc260
ERROR: libsass/3.6.5: Error in build() method, line 113
	self._build_visual_studio()
while calling '_build_visual_studio', line 107
	msbuild.build(os.path.join("win", "libsass.sln"), platforms=platforms, properties=properties)
	ConanException: Error 1 while executing set "VSCMD_START_DIR=%CD%" && call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC/Auxiliary/Build/vcvarsall.bat" amd64 && devenv "win\libsass.sln" /upgrade && msbuild "win\libsass.sln" /p:Configuration="Debug" /p:UseEnv=true /p:Platform="Win64" /m:16 /p:PlatformToolset="v142" /verbosity:minimal /p:ForceImportBeforeCppTargets="C:\J\w\BuildSingleReference@6\.conan\data\libsass\3.6.5\_\_\build\b2b69efcc79a149e0bc765fb12ba0278d52fc260\source_subfolder\conan_build.props" /p:LIBSASS_STATIC_LIB="true" /p:WholeProgramOptimization="false"