We were unable to automatically build your code. Please change the build mode for this language to manual and specify build steps for your project. See https://docs.github.com/en/code-security/code-scanning/troubleshooting-code-scanning/automatic-build-failed for more information. Encountered a fatal error while running "/opt/hostedtoolcache/CodeQL/2.26.1/x64/codeql/codeql database trace-command --use-build-mode --working-dir /home/runner/work/netmap/netmap /home/runner/work/_temp/codeql_databases/cpp". Exit code was 2 and error was: A fatal error occurred: Exit status 1 from command: [/opt/hostedtoolcache/CodeQL/2.26.1/x64/codeql/cpp/tools/autobuild.sh]. See the logs for more details.

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/