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conan install libpng/1.6.37@#09a159e88fb60b483983f12e66b114b9 --build=libpng -pr /Users/jenkins/w/prod/BuildSingleReference@4/74655/26400c1d-682e-467e-8203-be29b78403d1/profile_osx_110_libcpp_apple-clang_release_64.libpng-shared-True.txt -c tools.system.package_manager:mode=install -c tools.system.package_manager:sudo=True -c tools.apple:sdk_path=/Applications/conan/xcode/11/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk
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Auto detecting your dev setup to initialize the default profile (/Users/jenkins/w/prod/BuildSingleReference@4/.conan/profiles/default)
Found apple-clang 11.0
Default settings
	os=Macos
	os_build=Macos
	arch=x86_64
	arch_build=x86_64
	compiler=apple-clang
	compiler.version=11.0
	compiler.libcxx=libc++
	build_type=Release
*** You can change them in /Users/jenkins/w/prod/BuildSingleReference@4/.conan/profiles/default ***
*** Or override with -s compiler='other' -s ...s***


Configuration:
[settings]
arch=x86_64
build_type=Release
compiler=apple-clang
compiler.libcxx=libc++
compiler.version=11.0
os=Macos
[options]
libpng:shared=True
[build_requires]
[env]
[conf]
tools.system.package_manager:mode=install
tools.system.package_manager:sudo=True
tools.apple:sdk_path=/Applications/conan/xcode/11/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk

zlib/1.2.12: Not found in local cache, looking in remotes...
zlib/1.2.12: Trying with 'conan-center'...
Downloading conanmanifest.txt
Downloading conanfile.py
Downloading conan_export.tgz
zlib/1.2.12: Downloaded recipe revision a30750797caa71bd61bd0a18189caa28
libpng/1.6.37: Forced build from source
Installing package: libpng/1.6.37
Requirements
    libpng/1.6.37 from local cache - Cache
    zlib/1.2.12 from 'conan-center' - Downloaded
Packages
    libpng/1.6.37:08b2fa7e1180ebd2fa9ccc34852892d3c8226932 - Build
    zlib/1.2.12:f74366f76f700cc6e991285892ad7a23c30e6d47 - Download

Installing (downloading, building) binaries...
zlib/1.2.12: Retrieving package f74366f76f700cc6e991285892ad7a23c30e6d47 from remote 'conan-center' 
Downloading conanmanifest.txt
Downloading conaninfo.txt
Downloading conan_package.tgz
zlib/1.2.12: Package installed f74366f76f700cc6e991285892ad7a23c30e6d47
zlib/1.2.12: Downloaded package revision 4f6f485f733b0f9680bea5ede592ff5f
[HOOK - conan-center.py] pre_source(): [IMMUTABLE SOURCES (KB-H010)] OK
libpng/1.6.37: Configuring sources in /Users/jenkins/w/prod/BuildSingleReference@4/.conan/data/libpng/1.6.37/_/_/source
libpng/1.6.37: Waiting 5 seconds to retry...
libpng/1.6.37: ERROR: Error downloading file https://github.com/glennrp/libpng/archive/v1.6.37.tar.gz: 'HTTPSConnectionPool(host='github.com', port=443): Max retries exceeded with url: /glennrp/libpng/archive/v1.6.37.tar.gz (Caused by ResponseError('too many 502 error responses'))'
ERROR: libpng/1.6.37: Error in source() method, line 93
	destination=self._source_subfolder, strip_root=True)
	ConanException: Error downloading file https://github.com/glennrp/libpng/archive/v1.6.37.tar.gz: 'HTTPSConnectionPool(host='github.com', port=443): Max retries exceeded with url: /glennrp/libpng/archive/v1.6.37.tar.gz (Caused by ResponseError('too many 502 error responses'))'