refactor(all): adjust some logging

src/buffer.rs

@@ -53,11 +53,13 @@ impl<R: Read> BufReader<R> {
     pub fn read_into_buf(&mut self) -> io::Result<usize> {
         self.maybe_reserve();
         let v = &mut self.buf;
+        trace!("read_into_buf pos={}, cap={}", self.cap, v.capacity());
         if self.cap < v.capacity() {
             let nread = try!(self.inner.read(&mut v[self.cap..]));
             self.cap += nread;
             Ok(nread)
         } else {
+            trace!("read_into_buf at full capacity");
             Ok(0)
         }
     }

src/client/mod.rs

@@ -237,7 +237,7 @@ impl<'a, U: IntoUrl> RequestBuilder<'a, U> {
             if res.status.class() != Redirection {
                 return Ok(res)
             }
-            debug!("redirect code {:?} for {:?}", res.status, url);
+            debug!("redirect code {:?} for {}", res.status, url);
 
             let loc = {
                 // punching borrowck here
@@ -257,9 +257,7 @@ impl<'a, U: IntoUrl> RequestBuilder<'a, U> {
                 }
             };
             url = match loc {
-                Ok(u) => {
-                    inspect!("Location", u)
-                },
+                Ok(u) => u,
                 Err(e) => {
                     debug!("Location header had invalid URI: {:?}", e);
                     return Ok(res);

src/client/pool.rs

@@ -104,6 +104,7 @@ impl<C: NetworkConnector<Stream=S>, S: NetworkStream + Send> NetworkConnector fo
         let mut should_remove = false;
         let conn = match locked.conns.get_mut(&key) {
             Some(ref mut vec) => {
+                trace!("Pool had connection, using");
                 should_remove = vec.len() == 1;
                 vec.pop().unwrap()
             }

src/client/response.rs

@@ -32,6 +32,7 @@ impl Response {
 
     /// Creates a new response from a server.
     pub fn new(stream: Box<NetworkStream + Send>) -> ::Result<Response> {
+        trace!("Response::new");
         let mut stream = BufReader::new(stream);
 
         let head = try!(http::parse_response(&mut stream));