<p dir="auto">For example,<br>
<a href="http://doc.rust-lang.org/std/rc/struct.Weak.html" rel="nofollow">struct Weak</a><br>
<a href="http://doc.rust-lang.org/std/rc/struct.Rc.html" rel="nofollow">struct Rc</a><br>
<a href="http://doc.rust-lang.org/std/boxed/struct.Box.html" rel="nofollow">struct Box</a><br>
The [src] link at the top-right corner on these pages redirect to 404 page.</p>
<p dir="auto">Other pages like <a href="http://doc.rust-lang.org/std/option/enum.Option.html" rel="nofollow">enum Option</a> seems to be fine.</p>
<p dir="auto">In <a href="http://doc.rust-lang.org/std/sync/struct.Arc.html" rel="nofollow">http://doc.rust-lang.org/std/sync/struct.Arc.html</a><br>
click "src". It links to <a href="http://doc.rust-lang.org/alloc/arc/struct.Arc.html?gotosrc=1343" rel="nofollow">http://doc.rust-lang.org/alloc/arc/struct.Arc.html?gotosrc=1343</a> which is forwarded to <a href="http://doc.rust-lang.org/alloc/arc/undefined" rel="nofollow">http://doc.rust-lang.org/alloc/arc/undefined</a></p>