Update for iron 0.6 (iron#141)

* Adapt error handling to changes in iron
* Fix compilation warning about unnecessary `mut`
* Bump crate version for release

Author: robinst

Cargo.toml

@@ -3,13 +3,13 @@
 name = "router"
 authors = ["Jonathan Reem <jonathan.reem@gmail.com>"]
 license = "MIT"
-version = "0.5.1"
+version = "0.6.0"
 description = "A router for the Iron framework."
 repository = "https://github.com/iron/router"
 documentation = "http://ironframework.io/doc/router/index.html"
 keywords = ["iron", "web", "http", "routing", "router"]
 
 [dependencies]
 route-recognizer = "0.1"
-iron = "0.5"
+iron = "0.6"
 url = "1.1"

examples/custom_404.rs

@@ -16,7 +16,7 @@ impl AfterMiddleware for Custom404 {
     fn catch(&self, _: &mut Request, err: IronError) -> IronResult<Response> {
         println!("Hitting custom 404 middleware");
 
-        if let Some(_) = err.error.downcast::<NoRoute>() {
+        if err.error.is::<NoRoute>() {
             Ok(Response::with((status::NotFound, "Custom 404 response")))
         } else {
             Err(err)

src/router.rs

@@ -81,8 +81,8 @@ impl Router {
     }
 
     fn route_id(&mut self, id: &str, glob: &str) {
-        let mut mut_inner = self.mut_inner();
-        let ref mut route_ids = mut_inner.route_ids;
+        let inner = self.mut_inner();
+        let ref mut route_ids = inner.route_ids;
 
         match route_ids.get(id) {
             Some(other_glob) if glob != other_glob => panic!("Duplicate route_id: {}", id),