Update for unused field lint

Author: sfackler

src/lib.rs

@@ -1088,7 +1088,7 @@ impl<'conn> PostgresTransaction<'conn> {
         check_desync!(self.conn);
         stmt.lazy_query(row_limit, params).map(|result| {
             PostgresLazyRows {
-                trans: self,
+                _trans: self,
                 result: result
             }
         })
@@ -1520,7 +1520,7 @@ impl<'a> RowIndex for &'a str {
 /// A lazily-loaded iterator over the resulting rows of a query
 pub struct PostgresLazyRows<'trans, 'stmt> {
     result: PostgresRows<'stmt>,
-    trans: &'trans PostgresTransaction<'trans>,
+    _trans: &'trans PostgresTransaction<'trans>,
 }
 
 impl<'trans, 'stmt> PostgresLazyRows<'trans, 'stmt> {

src/message.rs

@@ -52,7 +52,7 @@ pub enum BackendMessage {
     ParseComplete,
     PortalSuspended,
     ReadyForQuery {
-        pub state: u8
+        pub _state: u8
     },
     RowDescription {
         pub descriptions: Vec<RowDescriptionEntry>
@@ -287,7 +287,7 @@ impl<R: Reader> ReadMessage for R {
             },
             't' => try!(read_parameter_description(&mut buf)),
             'T' => try!(read_row_description(&mut buf)),
-            'Z' => ReadyForQuery { state: try!(buf.read_u8()) },
+            'Z' => ReadyForQuery { _state: try!(buf.read_u8()) },
             ident => fail!("Unknown message identifier `{}`", ident)
         };
         Ok(ret)