Logging at level: debug GitHub Pages: github-pages v232 GitHub Pages: jekyll v3.10.0 Theme: jekyll-theme-primer Theme source: /usr/local/bundle/gems/jekyll-theme-primer-0.6.0 Requiring: jekyll-github-metadata Requiring: jekyll-seo-tag Requiring: jekyll-coffeescript Requiring: jekyll-commonmark-ghpages Requiring: jekyll-gist Requiring: jekyll-github-metadata Requiring: jekyll-paginate Requiring: jekyll-relative-links Requiring: jekyll-optional-front-matter Requiring: jekyll-readme-index Requiring: jekyll-default-layout Requiring: jekyll-titles-from-headings GitHub Metadata: Initializing... Source: /github/workspace/. Destination: /github/workspace/./_site Incremental build: disabled. Enable with --incremental Generating... Reading: src/charts/ditto/documentation/src/main/resources/_posts/2017-11-10-welcome-to-ditto.md Reading: src/charts/ditto/documentation/src/main/resources/_posts/2017-12-18-milestone-announcement-010-M1.md Reading: src/charts/ditto/documentation/src/main/resources/_posts/2018-01-12-milestone-announcement-010-M3.md Reading: src/charts/ditto/documentation/src/main/resources/_posts/2018-01-15-example-demonstrating-rest-to-websocket.md Reading: src/charts/ditto/documentation/src/main/resources/_posts/2018-02-07-milestone-announcement-020-M1.md Reading: src/charts/ditto/documentation/src/main/resources/_posts/2018-02-08-feature-definition.md Reading: src/charts/ditto/documentation/src/main/resources/_posts/2018-04-25-connectivity-service.md Reading: src/charts/ditto/documentation/src/main/resources/_posts/2018-04-26-milestone-announcement-030-M1.md Reading: src/charts/ditto/documentation/src/main/resources/_posts/2018-05-02-connecting-ditto-hono.md Reading: src/charts/ditto/documentation/src/main/resources/_posts/2018-06-15-milestone-announcement-030-M2.md Reading: src/charts/ditto/documentation/src/main/resources/_posts/2018-08-14-milestone-announcement-080-M1.md Reading: src/charts/ditto/documentation/src/main/resources/_posts/2018-09-21-selective-push-notifications.md Reading: src/charts/ditto/documentation/src/main/resources/_posts/2018-09-27-milestone-announcement-080-M2.md Reading: src/charts/ditto/documentation/src/main/resources/_posts/2018-10-16-example-mqtt-bidirectional.md Reading: src/charts/ditto/documentation/src/main/resources/_posts/2018-11-14-milestone-announcement-080-M3.md Reading: src/charts/ditto/documentation/src/main/resources/_posts/2018-11-28-release-announcement-080.md Reading: src/charts/ditto/documentation/src/main/resources/_posts/2018-12-05-example-command-and-control.md Reading: src/charts/ditto/documentation/src/main/resources/_posts/2019-03-13-kafka-connectivity.md Reading: src/charts/ditto/documentation/src/main/resources/_posts/2019-03-28-milestone-announcement-090-M1.md Reading: src/charts/ditto/documentation/src/main/resources/_posts/2019-04-29-milestone-announcement-090-M2.md Reading: src/charts/ditto/documentation/src/main/resources/_posts/2019-07-10-release-announcement-090.md Reading: src/charts/ditto/documentation/src/main/resources/_posts/2019-08-28-openid-connect.md Reading: src/charts/ditto/documentation/src/main/resources/_posts/2019-09-17-milestone-announcement-100-M1a.md Reading: src/charts/ditto/documentation/src/main/resources/_posts/2019-10-17-http-connectivity.md Reading: src/charts/ditto/documentation/src/main/resources/_posts/2019-11-04-milestone-announcement-100-M2.md Reading: src/charts/ditto/documentation/src/main/resources/_posts/2019-12-12-release-announcement-100.md Reading: src/charts/ditto/documentation/src/main/resources/_posts/2020-04-16-connecting-to-ttn-via-mqtt.md Reading: src/charts/ditto/documentation/src/main/resources/_posts/2020-04-29-release-announcement-110.md Reading: src/charts/ditto/documentation/src/main/resources/_posts/2020-08-31-release-announcement-120.md Reading: src/charts/ditto/documentation/src/main/resources/_posts/2020-09-30-release-announcement-130.md Reading: src/charts/ditto/documentation/src/main/resources/_posts/2020-10-08-asynchronous-client-creation.md Reading: src/charts/ditto/documentation/src/main/resources/_p