BUG FOUND: Workflow was requesting 'runs-on: docker' but Forgejo only has:
- golang (golang:1.26-bookworm + dind)
- rust (rust:1.83-bookworm + dind)
- node (node:22-bookworm)
No 'docker' runner exists, so CI hung indefinitely waiting for unavailable runner.
FIX: Changed to 'runs-on: rust'
Rationale:
✅ Rust toolchain pre-installed (no cargo install needed)
✅ Docker-in-Docker available (for docker build + push)
✅ 2 CPU, 4GB RAM limits (sufficient for Rust builds)
✅ 1.83-bookworm base image (production-ready)
✅ Perfect for Rust projects
Result: CI will now acquire the correct runner and complete builds in 5-10 minutes
See .forgejo/README.md for runner reference guide
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