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conan install libmount/2.40-rc2@#dfde6b05c92523792b9aa10bdd56aa63 --build=libmount -pr /home/conan/w/prod-v1/bsr/117262/dedff/profile_linux_5_libstdcpp11_gcc_release_64.libmount-shared-False.txt -c tools.system.package_manager:mode=install -c tools.system.package_manager:sudo=True
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Conan 1 is on a deprecation path, please consider migrating to Conan 2
Auto detecting your dev setup to initialize the default profile (/home/conan/w/prod-v1/bsr/117262/dbbaf/.conan/profiles/default)
CC and CXX: /usr/bin/gcc, /usr/bin/g++ 
Found gcc 5.4
gcc>=5, using the major as version

************************* WARNING: GCC OLD ABI COMPATIBILITY ***********************
 
Conan detected a GCC version > 5 but has adjusted the 'compiler.libcxx' setting to
'libstdc++' for backwards compatibility.
Your compiler is likely using the new CXX11 ABI by default (libstdc++11).

If you want Conan to use the new ABI for the default profile, run:

    $ conan profile update settings.compiler.libcxx=libstdc++11 default

Or edit '/home/conan/w/prod-v1/bsr/117262/dbbaf/.conan/profiles/default' and set compiler.libcxx=libstdc++11

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Default settings
	os=Linux
	os_build=Linux
	arch=x86_64
	arch_build=x86_64
	compiler=gcc
	compiler.version=5
	compiler.libcxx=libstdc++
	build_type=Release
*** You can change them in /home/conan/w/prod-v1/bsr/117262/dbbaf/.conan/profiles/default ***
*** Or override with -s compiler='other' -s ...s***


Configuration:
[settings]
arch=x86_64
build_type=Release
compiler=gcc
compiler.libcxx=libstdc++11
compiler.version=5
os=Linux
[options]
libmount:shared=False
[build_requires]
[env]
[conf]
tools.system.package_manager:mode=install
tools.system.package_manager:sudo=True

libmount/2.40-rc2: Forced build from source
Installing package: libmount/2.40-rc2
Requirements
    libmount/2.40-rc2 from local cache - Cache
Packages
    libmount/2.40-rc2:76f87539fc90ff313e0b3182641a9bb558a717d2 - Build

Installing (downloading, building) binaries...
[HOOK - conan-center.py] pre_source(): [IMMUTABLE SOURCES (KB-H010)] OK
libmount/2.40-rc2: Configuring sources in /home/conan/w/prod-v1/bsr/117262/dbbaf/.conan/data/libmount/2.40-rc2/_/_/source/src
ERROR: libmount/2.40-rc2: Error in source() method, line 47
	get(self, **self.conan_data["sources"][self.version], strip_root=True)
	KeyError: 'sources'