******************************************************************************** conan install usockets/0.8.5@#582b72605e60511aa82b6f9ffdefb25c --build=usockets -pr C:\J\w\prod\BuildSingleReference@2\246613\8f0bce38-05e7-448c-ba56-c6fc3737cdb0/profile_windows_16_md_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=MD compiler.version=16 os=Windows [options] [build_requires] [env] [conf] tools.system.package_manager:mode=install tools.system.package_manager:sudo=True libuv/1.44.2: Not found in local cache, looking in remotes... libuv/1.44.2: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz libuv/1.44.2: Downloaded recipe revision cd99a266f71d28e417328e5bd3c6293d usockets/0.8.5: Forced build from source msys2/cci.latest: Not found in local cache, looking in remotes... msys2/cci.latest: Trying with 'conan-center'... Downloading conanmanifest.txt Downloading conanfile.py Downloading conan_export.tgz msys2/cci.latest: Downloaded recipe revision 567331f1604f3c584f04feade960f06e Installing package: usockets/0.8.5 Requirements libuv/1.44.2 from 'conan-center' - Downloaded usockets/0.8.5 from local cache - Cache Packages libuv/1.44.2:3fb49604f9c2f729b85ba3115852006824e72cab - Download usockets/0.8.5:bfcc893ae7839e6121fbd1882730ac6551000afb - Build Build requirements msys2/cci.latest from 'conan-center' - Downloaded Build requirements packages msys2/cci.latest:eee3fba89db6d777329de604625af8c30d46f080 - Download Installing (downloading, building) binaries... libuv/1.44.2: Retrieving package 3fb49604f9c2f729b85ba3115852006824e72cab from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz libuv/1.44.2: Package installed 3fb49604f9c2f729b85ba3115852006824e72cab libuv/1.44.2: Downloaded package revision a1b3a98e784e22d21dda538087adf0aa msys2/cci.latest: Retrieving package eee3fba89db6d777329de604625af8c30d46f080 from remote 'conan-center' Downloading conanmanifest.txt Downloading conaninfo.txt Downloading conan_package.tgz .msys2/cci.latest: Package installed eee3fba89db6d777329de604625af8c30d46f080 msys2/cci.latest: Downloaded package revision 46ddb31bf9506588aebc9c721b254646 usockets/0.8.5: Applying build-requirement: msys2/cci.latest [HOOK - conan-center.py] pre_source(): [IMMUTABLE SOURCES (KB-H010)] OK usockets/0.8.5: Configuring sources in C:\J\w\prod\BuildSingleReference@2\.conan\data\usockets\0.8.5\_\_\source\src usockets/0.8.5: [HOOK - conan-center.py] post_source(): [LIBCXX MANAGEMENT (KB-H011)] OK [HOOK - conan-center.py] post_source(): [CPPSTD MANAGEMENT (KB-H022)] OK [HOOK - conan-center.py] post_source(): [SHORT_PATHS USAGE (KB-H066)] OK usockets/0.8.5: Copying sources to build folder usockets/0.8.5: Building your package in C:\J\w\prod\BuildSingleReference@2\.conan\data\usockets\0.8.5\_\_\build\bfcc893ae7839e6121fbd1882730ac6551000afb usockets/0.8.5: Generator txt created conanbuildinfo.txt usockets/0.8.5: Calling generate() usockets/0.8.5: 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 usockets/0.8.5: Calling build() usockets/0.8.5: Apply patch (portability): remove lto options usockets/0.8.5: usockets/0.8.5: 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 usockets/0.8.5: ERROR: Package 'bfcc893ae7839e6121fbd1882730ac6551000afb' build failed usockets/0.8.5: WARN: Build folder C:\J\w\prod\BuildSingleReference@2\.conan\data\usockets\0.8.5\_\_\build\bfcc893ae7839e6121fbd1882730ac6551000afb\build-release ERROR: usockets/0.8.5: Error in build() method, line 199 with self._build_context(): AttributeError: