Logging at level: debug Configuration file: /github/workspace/./_config.yml 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-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 Requiring: jekyll-remote-theme GitHub Metadata: Initializing... Source: /github/workspace/. Destination: /github/workspace/./_site Incremental build: disabled. Enable with --incremental Generating... Theme: pages-themes/minimal Theme source: /tmp/jekyll-remote-theme-20250603-9-p0wp0x Remote Theme: Using theme pages-themes/minimal Remote Theme: Downloading https://codeload.github.com/pages-themes/minimal/zip/HEAD to /tmp/jekyll-remote-theme-20250603-9-tijvy2.zip Remote Theme: Unzipping /tmp/jekyll-remote-theme-20250603-9-tijvy2.zip to /tmp/jekyll-remote-theme-20250603-9-p0wp0x Requiring: jekyll-seo-tag EntryFilter: excluded /materials Globbed Scope Path: chapters/0100-introduction/slides.md Globbed Scope Path: chapters/0200-contracts/slides.md Globbed Scope Path: chapters/0300-algorithms/slides.md Globbed Scope Path: chapters/0600-concurrency/slides.md Globbed Scope Path: chapters/0100-introduction/slides.md Globbed Scope Path: chapters/0200-contracts/slides.md Globbed Scope Path: chapters/0300-algorithms/slides.md Globbed Scope Path: chapters/0600-concurrency/slides.md Globbed Scope Path: chapters/0100-introduction/slides.md Globbed Scope Path: chapters/0200-contracts/slides.md Globbed Scope Path: chapters/0300-algorithms/slides.md Globbed Scope Path: chapters/0600-concurrency/slides.md Globbed Scope Path: chapters/0100-introduction/slides.md Globbed Scope Path: chapters/0200-contracts/slides.md Globbed Scope Path: chapters/0300-algorithms/slides.md Globbed Scope Path: chapters/0600-concurrency/slides.md Globbed Scope Path: chapters/0100-introduction/slides.md Globbed Scope Path: chapters/0200-contracts/slides.md Globbed Scope Path: chapters/0300-algorithms/slides.md Globbed Scope Path: chapters/0600-concurrency/slides.md Globbed Scope Path: chapters/0100-introduction/slides.md Globbed Scope Path: chapters/0200-contracts/slides.md Globbed Scope Path: chapters/0300-algorithms/slides.md Globbed Scope Path: chapters/0600-concurrency/slides.md Globbed Scope Path: chapters/0100-introduction/slides.md Globbed Scope Path: chapters/0200-contracts/slides.md Globbed Scope Path: chapters/0300-algorithms/slides.md Globbed Scope Path: chapters/0600-concurrency/slides.md Globbed Scope Path: chapters/0100-introduction/slides.md Globbed Scope Path: chapters/0200-contracts/slides.md Globbed Scope Path: chapters/0300-algorithms/slides.md Globbed Scope Path: chapters/0600-concurrency/slides.md Globbed Scope Path: chapters/0100-introduction/slides.md Globbed Scope Path: chapters/0200-contracts/slides.md Globbed Scope Path: chapters/0300-algorithms/slides.md Globbed Scope Path: chapters/0600-concurrency/slides.md Globbed Scope Path: chapters/0100-introduction/slides.md Globbed Scope Path: chapters/0200-contracts/slides.md Globbed Scope Path: chapters/0300-algorithms/slides.md Globbed Scope Path: chapters/0600-concurrency/slides.md Globbed Scope Path: chapters/0100-introduction/slides.md Globbed Scope Path: chapters/0200-contracts/slides.md Globbed Scope Path: chapters/0300-algorithms/slides.md Globbed Scope Path: chapters/0600-concurrency/slides.md Globbed Scope Path: chapters/0100-introduction/slides.md Globbed Scope Path: chapters/0200-contracts/slides.md Globbed Scope Path: chapters/0300-algorithms/slides.md Globbed Scope Path: chapters/0600-concurrency/slides.md Globbed Scope Path: chapters/0100-introduction/slides.md Globbed Scope Path: chapters/0200-contracts/slides.md Globbed Scope Path: chapters/0300-alg