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conan install msys2/cci.latest@ --build=msys2 --profile=C:\J\w\BuildSingleReference@4/44598/1c6dbf78-4d26-4364-9e39-4621ba647116/profile.txt
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Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Release
compiler=Visual Studio
compiler.runtime=MT
compiler.version=15
os=Windows
os_build=Windows
[options]
[build_requires]
[env]

msys2/cci.latest: Forced build from source
Installing package: msys2/cci.latest
Requirements
    msys2/cci.latest from local cache - Cache
Packages
    msys2/cci.latest:eee3fba89db6d777329de604625af8c30d46f080 - Build

Installing (downloading, building) binaries...
msys2/cci.latest: Copying sources to build folder
msys2/cci.latest: Building your package in C:\J\w\BuildSingleReference@4/s\46273b\1
msys2/cci.latest: Generator txt created conanbuildinfo.txt
msys2/cci.latest: Aggregating env generators
[HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] 'fPIC' option not found
[HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] OK
msys2/cci.latest: Calling build()
msys2/cci.latest: 
msys2/cci.latest: WARN: Build folder is dirty, removing it: C:\J\w\BuildSingleReference@4/s\46273b\1
WARN: Could not download from the URL http://repo.msys2.org/distrib/x86_64/msys2-base-x86_64-20210725.tar.xz: sha256 signature failed for 'msys2-base-x86_64-20210725.tar.xz' file. 
 Provided signature: 7e055b71306e64192e2612f959f54ae99a5cf57186206ac702d113ef00ba35c0  
 Computed signature: 4013a9d5e51b448343efc24fc6a324cc999bb96b4c01b13a6bd3c661bb5c8a82. Trying another mirror.
WARN: Could not download from the URL https://sourceforge.net/projects/msys2/files/Base/x86_64/msys2-base-x86_64-20210725.tar.xz: Not found: https://sourceforge.net/projects/msys2/files/Base/x86_64/msys2-base-x86_64-20210725.tar.xz. Trying another mirror.
msys2/cci.latest: ERROR: Package 'eee3fba89db6d777329de604625af8c30d46f080' build failed
msys2/cci.latest: WARN: Build folder C:\J\w\BuildSingleReference@4/s\46273b\1
ERROR: msys2/cci.latest: Error in build() method, line 120
	destination=os.path.join(self.package_folder, "bin"))
	ConanException: All downloads from (2) URLs have failed.