---

yaml
---
r: 209305
b: refs/heads/auto
c: 35d979d
h: refs/heads/master
i:
  209303: 3e3adb6
v: v3

Author: Nick Hamann

[refs]

@@ -10,7 +10,7 @@ refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503
 refs/tags/release-0.3.1: 495bae036dfe5ec6ceafd3312b4dca48741e845b
 refs/tags/release-0.4: e828ea2080499553b97dfe33b3f4d472b4562ad7
 refs/tags/release-0.5: 7e3bcfbf21278251ee936ad53e92e9b719702d73
-refs/heads/auto: d50fa7eff56e6d2b4daae4cf835dc8133b235c35
+refs/heads/auto: 35d979d8f8bb63b6063e30954c7c71ddf863b380
 refs/heads/servo: af82457af293e2a842ba6b7759b70288da276167
 refs/tags/release-0.6: b4ebcfa1812664df5e142f0134a5faea3918544c
 refs/tags/0.1: b19db808c2793fe2976759b85a355c3ad8c8b336

branches/auto/src/librustc_typeck/diagnostics.rs

@@ -65,40 +65,27 @@ impl Foo for Bar {
 "##,
 
 E0053: r##"
-For any given method of a trait, the mutabilities of the parameters must match
-between the trait definition and the implementation.
+The parameters of any trait method must match between a trait implementation
+and the trait definition.
 
-Here's an example where the mutability of the `self` parameter is wrong:
+Here are a couple examples of this error:
 
 ```
-trait Foo { fn foo(&self); }
-
-struct Bar;
-
-impl Foo for Bar {
-    // error, the signature should be `fn foo(&self)` instead
-    fn foo(&mut self) { }
+trait Foo {
+    fn foo(x: u16);
+    fn bar(&self);
 }
 
-fn main() {}
-```
-
-Here's another example, this time for a non-`self` parameter:
-
-```
-trait Foo { fn foo(x: &mut bool) -> bool; }
-
 struct Bar;
 
 impl Foo for Bar {
-    // error, the type of `x` should be `&mut bool` instead
-    fn foo(x: &bool) -> bool { *x }
-}
+    // error, expected u16, found i16
+    fn foo(x: i16) { }
 
-fn main() {}
+    // error, values differ in mutability
+    fn foo(&mut self) { }
+}
 ```
-
-
 "##,
 
 E0054: r##"