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conan install parg/all@ --build=parg --profile=/home/conan/w/BuildSingleReference/14355/621645ac-cdf5-4e1f-afa0-820037743ce4/profile.txt
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Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Release
compiler=clang
compiler.libcxx=libstdc++
compiler.version=5.0
os=Linux
os_build=Linux
[options]
parg:shared=False
[build_requires]
[env]

parg/all: Forced build from source
Installing package: parg/all
Requirements
    parg/all from local cache - Cache
Packages
    parg/all:0bb6f9a537a76b4aa6af7fb4dbef0aa6dddcabf4 - Build

Installing (downloading, building) binaries...
[HOOK - conan-center.py] pre_source(): [IMMUTABLE SOURCES (KB-H010)] OK
parg/all: Configuring sources in /home/conan/w/BuildSingleReference/.conan/data/parg/all/_/_/source
parg/all: WARN: Build folder is dirty, removing it: /home/conan/w/BuildSingleReference/.conan/data/parg/all/_/_/build/0bb6f9a537a76b4aa6af7fb4dbef0aa6dddcabf4
parg/all: WARN: Trying to remove corrupted source folder
parg/all: WARN: This can take a while for big packages
ERROR: parg/all: Error in source() method, line 30
	tools.get(**self.conan_data["sources"][self.version], strip_root=True, destination=self._source_subfolder)
	KeyError: 'sources'