Downloading artifacts for mat_windows (14393)...
Runtime platform                                    arch=amd64 os=windows pid=11976 revision=577f813d version=12.5.0
WARNING: Failed to load system CertPool: crypto/x509: system root pool is not available on Windows 
Downloading artifacts from coordinator... ok        id=14393 responseStatus=200 OK token=KbUf5H3t
$ git submodule update --init
$ bash -c 'cp -rf premake/* .'
$ .\premake5.exe vs2019
Error: ...es/builds/nvYJyXaZ/0/nanahira/ygopro/gframe/premake4.lua:6: unexpected symbol near '<<'
ERROR: Job failed: exit status 1

build-essential is already the newest version (12.6).
git is already the newest version (1:2.20.1-2+deb10u3).
libevent-dev is already the newest version (2.1.8-stable-4).
0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded.
$ git submodule update --init
$ ./premake5 gmake
Error: /builds/nanahira/ygopro/gframe/premake4.lua:6: unexpected symbol near '<<'
Cleaning up file based variables
ERROR: Job failed: exit code 1