ci: revert ASAN runner to ubuntu-latest (r-hub gcc-asan has no arm64 image)#275
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…image) The 2026-06-19 ubuntu-latest->ubuntu-24.04-arm switch (01c99be) broke the workflow: the ghcr.io/r-hub/containers/gcc-asan image has no arm64 variant, so the container dies at init (~35s, 'container is not running') before any ASAN work. Revert to the ubuntu-latest (x86) config that ran green for 42 min on 2026-06-16 (decfe3e).
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Problem
The
gcc-ASANworkflow has failed on every run since 2026-06-19. The2026-06-19switchubuntu-latest→ubuntu-24.04-arm(commit 01c99be)broke it: the
ghcr.io/r-hub/containers/gcc-asan:latestimage has noarm64 variant, so the container dies at initialisation (~35s,
"container ... is not running") before any ASAN work runs.
Fix
Revert the runner to
ubuntu-latest(x86) — the exact config that rangreen for 42 min on 2026-06-16 (commit decfe3e). One-line change.
Verification
Branch run 28646552710
completed green across all three legs (tests/examples/vignettes) in
17m — real ASAN execution restored.
🤖 Generated with Claude Code