Logging at level: debug Configuration file: /github/workspace/./_config.yml Theme: minima Theme source: /usr/local/bundle/gems/minima-2.5.1 GitHub Pages: github-pages v231 GitHub Pages: jekyll v3.9.5 Theme: minima Theme source: /usr/local/bundle/gems/minima-2.5.1 Requiring: jekyll-feed Requiring: jekyll-seo-tag Requiring: jekyll-feed 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... EntryFilter: excluded /Gemfile EntryFilter: excluded /Gemfile.lock EntryFilter: excluded /CNAME Reading: _posts/2016-05-20-super-long-article.md Reading: _posts/2016-05-20-welcome-to-jekyll.md Reading: _posts/2016-05-20-this-post-demonstrates-post-content-styles.md Reading: _posts/2016-05-20-my-example-post.md Reading: _posts/2016-05-19-super-short-article.md github-pages 231 | Error: (/github/workspace/_data/news-blog/index.yml): mapping values are not allowed in this context at line 40 column 26