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conan install tmx/1.4.0@ --build=tmx --profile=/Users/jenkins/w/BuildSingleReference@3/71665/f2377127-ac0a-44cf-96ce-8c9baf95bb09/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]
tmx:shared=False
[build_requires]
[env]

tmx/1.4.0: Forced build from source
Installing package: tmx/1.4.0
Requirements
    libiconv/1.16 from 'conan-center' - Cache
    libxml2/2.9.12 from 'conan-center' - Cache
    tmx/1.4.0 from local cache - Cache
    zlib/1.2.11 from 'conan-center' - Cache
Packages
    libiconv/1.16:0aa7be2d0914b6f3128105e305c90b9cb0cae86d - Cache
    libxml2/2.9.12:9c08152d373e81630731452d6c8621d6da906eea - Cache
    tmx/1.4.0:15a388267e58bd18c0a072f7d5290af5f2bea57d - Build
    zlib/1.2.11:0aa7be2d0914b6f3128105e305c90b9cb0cae86d - Cache

Installing (downloading, building) binaries...
libiconv/1.16: Already installed!
libiconv/1.16: Appending PATH environment var: /Users/jenkins/w/BuildSingleReference@3/.conan/data/libiconv/1.16/_/_/package/0aa7be2d0914b6f3128105e305c90b9cb0cae86d/bin
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
[HOOK - conan-center.py] post_package_info(): [LIBRARY DOES NOT EXIST (KB-H054)] OK
zlib/1.2.11: Already installed!
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
[HOOK - conan-center.py] post_package_info(): [LIBRARY DOES NOT EXIST (KB-H054)] OK
libxml2/2.9.12: Already installed!
libxml2/2.9.12: Appending PATH environment variable: /Users/jenkins/w/BuildSingleReference@3/.conan/data/libxml2/2.9.12/_/_/package/9c08152d373e81630731452d6c8621d6da906eea/bin
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
[HOOK - conan-center.py] post_package_info(): [LIBRARY DOES NOT EXIST (KB-H054)] OK
[HOOK - conan-center.py] pre_source(): [IMMUTABLE SOURCES (KB-H010)] OK
tmx/1.4.0: Configuring sources in /Users/jenkins/w/BuildSingleReference@3/.conan/data/tmx/1.4.0/_/_/source
Waiting 5 seconds to retry...
tmx/1.4.0: WARN: Build folder is dirty, removing it: /Users/jenkins/w/BuildSingleReference@3/.conan/data/tmx/1.4.0/_/_/build/15a388267e58bd18c0a072f7d5290af5f2bea57d
tmx/1.4.0: WARN: Trying to remove corrupted source folder
tmx/1.4.0: WARN: This can take a while for big packages
ERROR: Error downloading file https://github.com/baylej/tmx/archive/refs/tags/tmx_1.4.0.tar.gz: 'HTTPSConnectionPool(host='codeload.github.com', port=443): Max retries exceeded with url: /baylej/tmx/tar.gz/refs/tags/tmx_1.4.0 (Caused by ResponseError('too many 503 error responses'))'
ERROR: tmx/1.4.0: Error in source() method, line 57
	destination=self._source_subfolder, strip_root=True)
	ConanException: Error downloading file https://github.com/baylej/tmx/archive/refs/tags/tmx_1.4.0.tar.gz: 'HTTPSConnectionPool(host='codeload.github.com', port=443): Max retries exceeded with url: /baylej/tmx/tar.gz/refs/tags/tmx_1.4.0 (Caused by ResponseError('too many 503 error responses'))'