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conan install usockets/0.8.1@ --build=usockets --profile=C:\J\w\BuildSingleReference@8/41020/8c1e54db-28a1-4a24-95f9-068e91d2c112/profile.txt
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Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Release
compiler=Visual Studio
compiler.runtime=MD
compiler.version=15
os=Windows
os_build=Windows
[options]
[build_requires]
[env]

usockets/0.8.1: Forced build from source
Installing package: usockets/0.8.1
Requirements
    libuv/1.41.1 from 'conan-center' - Cache
    usockets/0.8.1 from local cache - Cache
Packages
    libuv/1.41.1:6cc50b139b9c3d27b3e9042d5f5372d327b3a9f7 - Cache
    usockets/0.8.1:9514e1b97a672267232de29ef5b23bb442333a1d - Build

Installing (downloading, building) binaries...
libuv/1.41.1: Already installed!
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
[HOOK - conan-center.py] post_package_info(): [LIBRARY DOES NOT EXIST (KB-H054)] OK
usockets/0.8.1: Copying sources to build folder
usockets/0.8.1: Building your package in C:\J\w\BuildSingleReference@8\.conan\data\usockets\0.8.1\_\_\build\9514e1b97a672267232de29ef5b23bb442333a1d
usockets/0.8.1: Generator txt created conanbuildinfo.txt
usockets/0.8.1: 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
usockets/0.8.1: Calling build()

----Running------
> set "VSCMD_START_DIR=%CD%" && call "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC/Auxiliary/Build/vcvarsall.bat" amd64 && devenv "uSockets.vcxproj" /upgrade && msbuild "uSockets.vcxproj" /p:Configuration="Release" /p:UseEnv=true /p:Platform="x64" /m:16 /p:PlatformToolset="v141" /verbosity:minimal /p:ForceImportBeforeCppTargets="C:\J\w\BuildSingleReference@8\.conan\data\usockets\0.8.1\_\_\build\9514e1b97a672267232de29ef5b23bb442333a1d\source_subfolder\conan_build.props"
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** Visual Studio 2017 Developer Command Prompt v15.9.19
** Copyright (c) 2017 Microsoft Corporation
**********************************************************************
[vcvarsall.bat] Environment initialized for: 'x64'
usockets/0.8.1: 
usockets/0.8.1: WARN: Build folder is dirty, removing it: C:\J\w\BuildSingleReference@8\.conan\data\usockets\0.8.1\_\_\build\9514e1b97a672267232de29ef5b23bb442333a1d
usockets/0.8.1: ERROR: Package '9514e1b97a672267232de29ef5b23bb442333a1d' build failed
usockets/0.8.1: WARN: Build folder C:\J\w\BuildSingleReference@8\.conan\data\usockets\0.8.1\_\_\build\9514e1b97a672267232de29ef5b23bb442333a1d
ERROR: usockets/0.8.1: Error in build() method, line 144
	self._build_msvc()
while calling '_build_msvc', line 114
	msbuild.build(project_file="uSockets.vcxproj", platforms={"x86": "Win32"})
	ConanException: Error 4294967295 while executing set "VSCMD_START_DIR=%CD%" && call "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC/Auxiliary/Build/vcvarsall.bat" amd64 && devenv "uSockets.vcxproj" /upgrade && msbuild "uSockets.vcxproj" /p:Configuration="Release" /p:UseEnv=true /p:Platform="x64" /m:16 /p:PlatformToolset="v141" /verbosity:minimal /p:ForceImportBeforeCppTargets="C:\J\w\BuildSingleReference@8\.conan\data\usockets\0.8.1\_\_\build\9514e1b97a672267232de29ef5b23bb442333a1d\source_subfolder\conan_build.props"