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conan install yaml-cpp/0.7.0@ --build=yaml-cpp --profile=/Users/jenkins/w/BuildSingleReference/71624/8e9fae2c-b49e-49cc-b9a9-c2e3e0bac6a6/profile.txt
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Configuration:
[settings]
arch=x86_64
build_type=Debug
compiler=apple-clang
compiler.libcxx=libc++
compiler.version=11.0
os=Macos
[options]
yaml-cpp:shared=False
[build_requires]
[env]

yaml-cpp/0.7.0: Forced build from source
Installing package: yaml-cpp/0.7.0
Requirements
    yaml-cpp/0.7.0 from local cache - Cache
Packages
    yaml-cpp/0.7.0:5fed66895e5b85fca4af6ac05bb157e1ffecb806 - Build

Installing (downloading, building) binaries...
[HOOK - conan-center.py] pre_source(): [IMMUTABLE SOURCES (KB-H010)] OK
yaml-cpp/0.7.0: Configuring sources in /Users/jenkins/w/BuildSingleReference/.conan/data/yaml-cpp/0.7.0/_/_/source
Waiting 5 seconds to retry...
yaml-cpp/0.7.0: WARN: Build folder is dirty, removing it: /Users/jenkins/w/BuildSingleReference/.conan/data/yaml-cpp/0.7.0/_/_/build/5fed66895e5b85fca4af6ac05bb157e1ffecb806
yaml-cpp/0.7.0: WARN: Trying to remove corrupted source folder
yaml-cpp/0.7.0: WARN: This can take a while for big packages
ERROR: Error downloading file https://github.com/jbeder/yaml-cpp/archive/yaml-cpp-0.7.0.tar.gz: 'HTTPSConnectionPool(host='codeload.github.com', port=443): Max retries exceeded with url: /jbeder/yaml-cpp/tar.gz/yaml-cpp-0.7.0 (Caused by ResponseError('too many 503 error responses'))'
ERROR: yaml-cpp/0.7.0: Error in source() method, line 64
	destination=self._source_subfolder, strip_root=True)
	ConanException: Error downloading file https://github.com/jbeder/yaml-cpp/archive/yaml-cpp-0.7.0.tar.gz: 'HTTPSConnectionPool(host='codeload.github.com', port=443): Max retries exceeded with url: /jbeder/yaml-cpp/tar.gz/yaml-cpp-0.7.0 (Caused by ResponseError('too many 503 error responses'))'