After upgrading gh aw to version v0.62.1, the safe-outputs step in the workflows is consistently failing on both ARC runners and github-hosted runners. The failure is on artifact upload:
2026-03-19T18:05:19.6749359Z ##[group]Run actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f
2026-03-19T18:05:19.6750155Z with:
2026-03-19T18:05:19.6750370Z name: agent
2026-03-19T18:05:19.6750594Z path: /tmp/gh-aw/safe-output-items.jsonl
2026-03-19T18:05:19.6750890Z if-no-files-found: ignore
2026-03-19T18:05:19.6751130Z compression-level: 6
2026-03-19T18:05:19.6751336Z overwrite: false
2026-03-19T18:05:19.6751543Z include-hidden-files: false
2026-03-19T18:05:19.6751768Z archive: true
2026-03-19T18:05:19.6751948Z env:
2026-03-19T18:05:19.6752134Z GH_AW_INFO_FIREWALL_ENABLED: false
2026-03-19T18:05:19.6752567Z GH_AW_CALLER_WORKFLOW_ID: mdo-test-org/agentic-mulesoft-build-publish/maven-build-publish
2026-03-19T18:05:19.6753004Z GH_AW_ENGINE_ID: copilot
2026-03-19T18:05:19.6753237Z GH_AW_WORKFLOW_ID: maven-build-publish
2026-03-19T18:05:19.6753530Z GH_AW_WORKFLOW_NAME: Maven Build and Publish
2026-03-19T18:05:19.6753839Z GH_AW_AGENT_OUTPUT: /tmp/gh-aw/agent_output.json
2026-03-19T18:05:19.6754175Z GH_HOST: github.com
2026-03-19T18:05:19.6754372Z ##[endgroup]
2026-03-19T18:05:19.8382394Z With the provided path, there will be 1 file uploaded
2026-03-19T18:05:19.8396027Z Artifact name is valid!
2026-03-19T18:05:19.8410284Z Root directory input is valid!
2026-03-19T18:05:20.0833560Z ##[error]Failed to CreateArtifact: Received non-retryable error: Failed request: (409) Conflict: an artifact with this name already exists on the workflow run
An artifact with the name "agent" is being uploaded during the agent job which is the cause of this collision.
After upgrading
gh awto version v0.62.1, thesafe-outputsstep in the workflows is consistently failing on both ARC runners and github-hosted runners. The failure is on artifact upload:An artifact with the name "agent" is being uploaded during the
agentjob which is the cause of this collision.