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conan install usockets/0.8.3@#8f2da1583cb3a8539ba072cc7b13876a --build=usockets -pr C:\J\w\prod\BuildSingleReference@3\246614\50565592-25cf-46b8-bc91-86b80e05d125/profile_windows_16_mdd_vs_debug_64..txt -c tools.system.package_manager:mode=install -c tools.system.package_manager:sudo=True
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Auto detecting your dev setup to initialize the default profile (C:\J\w\prod\BuildSingleReference@3\.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@3\.conan\profiles\default ***
*** Or override with -s compiler='other' -s ...s***


Configuration:
[settings]
arch=x86_64
build_type=Debug
compiler=Visual Studio
compiler.runtime=MDd
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/0.8.3: 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/0.8.3
Requirements
    libuv/1.44.2 from 'conan-center' - Downloaded
    usockets/0.8.3 from local cache - Cache
Packages
    libuv/1.44.2:d057732059ea44a47760900cb5e4855d2bea8714 - Download
    usockets/0.8.3:b9f0b67616d4fc748b6e910a671fb9e86c759aca - 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 d057732059ea44a47760900cb5e4855d2bea8714 from remote 'conan-center' 
Downloading conanmanifest.txt
Downloading conaninfo.txt
Downloading conan_package.tgz
libuv/1.44.2: Package installed d057732059ea44a47760900cb5e4855d2bea8714
libuv/1.44.2: Downloaded package revision a65dd0404bf5dad86ce1666a69e1b4a1
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/0.8.3: Applying build-requirement: msys2/cci.latest
[HOOK - conan-center.py] pre_source(): [IMMUTABLE SOURCES (KB-H010)] OK
usockets/0.8.3: Configuring sources in C:\J\w\prod\BuildSingleReference@3\.conan\data\usockets\0.8.3\_\_\source\src
usockets/0.8.3: 
[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/0.8.3: Copying sources to build folder
usockets/0.8.3: Building your package in C:\J\w\prod\BuildSingleReference@3\.conan\data\usockets\0.8.3\_\_\build\b9f0b67616d4fc748b6e910a671fb9e86c759aca
usockets/0.8.3: Generator txt created conanbuildinfo.txt
usockets/0.8.3: Calling generate()
usockets/0.8.3: 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/0.8.3: Calling build()
usockets/0.8.3: Apply patch (portability): remove lto options
usockets/0.8.3: 
usockets/0.8.3: 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/0.8.3: ERROR: Package 'b9f0b67616d4fc748b6e910a671fb9e86c759aca' build failed
usockets/0.8.3: WARN: Build folder C:\J\w\prod\BuildSingleReference@3\.conan\data\usockets\0.8.3\_\_\build\b9f0b67616d4fc748b6e910a671fb9e86c759aca\build-debug
ERROR: usockets/0.8.3: Error in build() method, line 199
	with self._build_context():
	AttributeError: