message: Added space to about page
diff: <a href="https://crates.io/">crates.io</a>
  using the nightly release of the Rust compiler.
  - {%- if rustc_version -%}
  + {%- if rustc_version %}
  The current version of the Rust compiler in use is <code>{{ rustc_version }}</code>.
  Builds can take a while depending how many crates are in <a href="/releases/queue">the queue</a>.
  If you need a newer version of this compiler, check the
  