[DEBUG] To include the environment variables in debug output, pass --debug-env
[DEBUG] Feature flag 'binarycaching' unset
[DEBUG] Feature flag 'manifests' = off
[DEBUG] Feature flag 'compilertracking' unset
[DEBUG] Feature flag 'registries' unset
[DEBUG] Feature flag 'versions' unset
[DEBUG] Downloading https://repo.msys2.org/msys/x86_64/gcc-9.3.0-1-x86_64.pkg.tar.xz
[DEBUG] Downloading https://www2.futureware.at/~nickoe/msys2-mirror/msys/x86_64/gcc-9.3.0-1-x86_64.pkg.tar.xz
[DEBUG] Downloading https://mirror.yandex.ru/mirrors/msys2/msys/x86_64/gcc-9.3.0-1-x86_64.pkg.tar.xz
[DEBUG] Downloading https://mirrors.tuna.tsinghua.edu.cn/msys2/msys/x86_64/gcc-9.3.0-1-x86_64.pkg.tar.xz
[DEBUG] Downloading https://mirrors.ustc.edu.cn/msys2/msys/x86_64/gcc-9.3.0-1-x86_64.pkg.tar.xz
[DEBUG] Downloading https://mirror.bit.edu.cn/msys2/msys/x86_64/gcc-9.3.0-1-x86_64.pkg.tar.xz
[DEBUG] Download failed -- retrying after 1000 ms.
[DEBUG] Download failed -- retrying after 2000 ms.
[DEBUG] Download failed -- retrying after 4000 ms.
[DEBUG] Downloading https://mirror.selfnet.de/msys2/msys/x86_64/gcc-9.3.0-1-x86_64.pkg.tar.xz
[DEBUG] Downloading https://mirrors.sjtug.sjtu.edu.cn/msys2/msys/x86_64/gcc-9.3.0-1-x86_64.pkg.tar.xz
Error: Failed to download from mirror set:
https://repo.msys2.org/msys/x86_64/gcc-9.3.0-1-x86_64.pkg.tar.xz: failed: status code 404
https://www2.futureware.at/~nickoe/msys2-mirror/msys/x86_64/gcc-9.3.0-1-x86_64.pkg.tar.xz: failed: status code 404
https://mirror.yandex.ru/mirrors/msys2/msys/x86_64/gcc-9.3.0-1-x86_64.pkg.tar.xz: failed: status code 404
https://mirrors.tuna.tsinghua.edu.cn/msys2/msys/x86_64/gcc-9.3.0-1-x86_64.pkg.tar.xz: failed: status code 404
https://mirrors.ustc.edu.cn/msys2/msys/x86_64/gcc-9.3.0-1-x86_64.pkg.tar.xz: failed: status code 404
https://mirror.bit.edu.cn/msys2/msys/x86_64/gcc-9.3.0-1-x86_64.pkg.tar.xz: WinHttpSendRequest() failed: 12007
https://mirror.bit.edu.cn/msys2/msys/x86_64/gcc-9.3.0-1-x86_64.pkg.tar.xz: WinHttpSendRequest() failed: 12007
https://mirror.bit.edu.cn/msys2/msys/x86_64/gcc-9.3.0-1-x86_64.pkg.tar.xz: WinHttpSendRequest() failed: 12007
https://mirror.bit.edu.cn/msys2/msys/x86_64/gcc-9.3.0-1-x86_64.pkg.tar.xz: WinHttpSendRequest() failed: 12007
https://mirror.selfnet.de/msys2/msys/x86_64/gcc-9.3.0-1-x86_64.pkg.tar.xz: failed: status code 404
https://mirrors.sjtug.sjtu.edu.cn/msys2/msys/x86_64/gcc-9.3.0-1-x86_64.pkg.tar.xz: failed: status code 404