diff --git a/src/client/request.rs b/src/client/request.rs
index cd0b3259..7102c665 100644
--- a/src/client/request.rs
+++ b/src/client/request.rs
@@ -116,14 +116,14 @@ impl Request<Fresh> {
         }
 
         debug!("writing head: {} {} {}", self.method, uri, self.version);
-        try!(write!(self.body, "{} {} {}", self.method, uri, self.version))
+        try!(write!(&mut self.body, "{} {} {}", self.method, uri, self.version))
         try!(self.body.write(LINE_ENDING));
 
 
         let stream = match self.method {
             Get | Head => {
                 debug!("headers [\n{}]", self.headers);
-                try!(write!(self.body, "{}", self.headers));
+                try!(write!(&mut self.body, "{}", self.headers));
                 try!(self.body.write(LINE_ENDING));
                 EmptyWriter(self.body.unwrap())
             },
@@ -157,7 +157,7 @@ impl Request<Fresh> {
                 }
 
                 debug!("headers [\n{}]", self.headers);
-                try!(write!(self.body, "{}", self.headers));
+                try!(write!(&mut self.body, "{}", self.headers));
                 try!(self.body.write(LINE_ENDING));
 
                 if chunked {
diff --git a/src/server/response.rs b/src/server/response.rs
index 7b6a89c0..c2605b0c 100644
--- a/src/server/response.rs
+++ b/src/server/response.rs
@@ -69,7 +69,7 @@ impl Response<Fresh> {
     /// Consume this Response<Fresh>, writing the Headers and Status and creating a Response<Streaming>
     pub fn start(mut self) -> IoResult<Response<Streaming>> {
         debug!("writing head: {} {}", self.version, self.status);
-        try!(write!(self.body, "{} {}{}{}", self.version, self.status, CR as char, LF as char));
+        try!(write!(&mut self.body, "{} {}{}{}", self.version, self.status, CR as char, LF as char));
 
         if !self.headers.has::<common::Date>() {
             self.headers.set(common::Date(now_utc()));
@@ -106,7 +106,7 @@ impl Response<Fresh> {
 
 
         debug!("headers [\n{}]", self.headers);
-        try!(write!(self.body, "{}", self.headers));
+        try!(write!(&mut self.body, "{}", self.headers));
 
         try!(self.body.write(LINE_ENDING));
 
@@ -144,7 +144,7 @@ impl Response<Streaming> {
 
 impl Writer for Response<Streaming> {
     fn write(&mut self, msg: &[u8]) -> IoResult<()> {
-        debug!("write {:u} bytes", msg.len());
+        debug!("write {} bytes", msg.len());
         self.body.write(msg)
     }
 
diff --git a/src/status.rs b/src/status.rs
index f383ee7a..afedfdd8 100644
--- a/src/status.rs
+++ b/src/status.rs
@@ -1569,12 +1569,6 @@ impl StatusCode {
     }
 }
 
-impl fmt::Unsigned for StatusCode {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
-        fmt::Unsigned::fmt(&(*self as u16), f)
-    }
-}
-
 /// Formats the status code, *including* the canonical reason.
 ///
 /// ```rust