fix some rustdoc tests

Had to add ?DynSized to auto-traits

Author: mikeyhew

src/test/rustdoc/auxiliary/rustdoc-default-impl.rs

@@ -8,13 +8,13 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(optin_builtin_traits)]
+#![feature(optin_builtin_traits, dynsized)]
 #![feature(core)]
 
 pub mod bar {
-    use std::marker;
+    use std::marker::DynSized;
 
-    pub trait Bar {}
+    pub trait Bar: ?DynSized {}
 
     #[allow(auto_impl)]
     impl Bar for .. {}

src/test/rustdoc/auxiliary/rustdoc-impl-parts-crosscrate.rs

@@ -8,9 +8,11 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(optin_builtin_traits)]
+#![feature(optin_builtin_traits, dynsized)]
 
-pub trait AnOibit {}
+use std::marker::DynSized;
+
+pub trait AnOibit: ?DynSized {}
 
 #[allow(auto_impl)]
 impl AnOibit for .. {}

src/test/rustdoc/impl-parts.rs

@@ -8,9 +8,11 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-#![feature(optin_builtin_traits)]
+#![feature(optin_builtin_traits, dynsized)]
 
-pub trait AnOibit {}
+use std::marker::DynSized;
+
+pub trait AnOibit: ?DynSized {}
 
 #[allow(auto_impl)]
 impl AnOibit for .. {}