It seems that this action doesn't have the required permissions to call the GitHub API with the token you gave. Consequently, no report will be made on GitHub. 1) Verify that GITHUB_TOKEN is granted read and write permissions in your repository settings: https://github.com/fujidaiti/dart-package-inspector/settings/actions 2) If this repository is a fork, GitHub has reduced GITHUB_TOKEN's permissions for security reasons. Check this issue for more information: https://github.com/axel-op/dart-package-analyzer/issues/2