message: Add blurb about rust-central-station.
diff: @@ -5,6 +5,8 @@ title: Rust Infrastructure &middot; The Rust Programming Language
  # Rust Infrastructure
  +Most services in the Rust Infrastructure are deployed via [rust-central-station][].
  +
  ## DXR
  [DXR](https://dxr.mozilla.org/rust/source/) is a cross-referenced source index for Rust, allowing the Rust source tree to be navigated and searched with ease. It is generated by [rust-dxr](https://github.com/nrc/rust-dxr)
  @@ -39,3 +41,4 @@ TODO: Describe these better.
  * [buildbot.rust-lang.org](http://buildbot.rust-lang.org/). [Source](https://github.com/rust-lang/rust-buildbot). Maintained by brson and acrichto.
  * [crater.rust-lang.org](https://crater.rust-lang.org/). [Source](https://github.com/brson/taskcluster-crater). Maintained by brson.
  * [play.rust-lang.org](http://play.rust-lang.org/) and and playbot on IRC. [Source](https://github.com/rust-lang/rust-playpen).
  +* [rust-central-station]: https://github.com/alexcrichton/rust-central-station
  