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conan install protobuf/3.11.4@ --profile=/home/conan/w/BuildSingleReference/7727/779fb501-e6dd-4845-8e87-84ec0f2ac2e8/profile.txt --build=protobuf
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Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Debug
compiler=clang
compiler.libcxx=libstdc++
compiler.version=11
os=Linux
os_build=Linux
[options]
protobuf:shared=True
[build_requires]
[env]

protobuf/3.11.4: Forced build from source
Installing package: protobuf/3.11.4
Requirements
    protobuf/3.11.4 from local cache - Cache
Packages
    protobuf/3.11.4:27c48e139983ade3a4b3a940a8ac7e0550299a71 - Build

Installing (downloading, building) binaries...
[HOOK - conan-center.py] pre_source(): [IMMUTABLE SOURCES (KB-H010)] OK
protobuf/3.11.4: Configuring sources in /home/conan/w/BuildSingleReference/.conan/data/protobuf/3.11.4/_/_/source
Waiting 5 seconds to retry...
protobuf/3.11.4: WARN: Build folder is dirty, removing it: /home/conan/w/BuildSingleReference/.conan/data/protobuf/3.11.4/_/_/build/27c48e139983ade3a4b3a940a8ac7e0550299a71
protobuf/3.11.4: WARN: Trying to remove corrupted source folder
protobuf/3.11.4: WARN: This can take a while for big packages
ERROR: Error 500 downloading file https://github.com/protocolbuffers/protobuf/archive/v3.11.4.tar.gz
ERROR: protobuf/3.11.4: Error in source() method, line 53
	tools.get(**self.conan_data["sources"][self.version])
	ConanException: Error 500 downloading file https://github.com/protocolbuffers/protobuf/archive/v3.11.4.tar.gz