`compiletest-rs` use internal rustc APIs and is broken in today’s Nightly. rustdoc however is maintained with rustc and so much less fragile.
Closes#9945.
Source-Repo: https://github.com/servo/servo
Source-Revision: 5213e2a5a9ed8859a004e480f52c7e04f8d7f85e
--HG--
extra : subtree_source : https%3A//hg.mozilla.org/projects/converted-servo-linear
extra : subtree_revision : 4549a7b8d21ba3085be304d96d93b958f1a83655