From fb9e4d2dcbde8de2ec50e71faa4f7ceb74414ccd Mon Sep 17 00:00:00 2001
From: "Y. T. Chung" <zonyitoo@gmail.com>
Date: Sun, 18 Jan 2015 00:05:07 +0800
Subject: [PATCH] fixed warnings

---
 src/crypto/openssl.rs            | 2 +-
 src/relay/tcprelay/cached_dns.rs | 2 --
 src/relay/tcprelay/server.rs     | 2 +-
 src/relay/tcprelay/stream.rs     | 2 ++
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/crypto/openssl.rs b/src/crypto/openssl.rs
index 1a6c676b..b8bd3f12 100644
--- a/src/crypto/openssl.rs
+++ b/src/crypto/openssl.rs
@@ -242,7 +242,7 @@ impl OpenSSLCrypto {
 
             debug_assert!(iv.len() >= cipher_type.block_size());
             debug_assert!(key.len() == cipher_type.key_size());
-            let mut evp_ctx = ffi::EVP_CIPHER_CTX_new();
+            let evp_ctx = ffi::EVP_CIPHER_CTX_new();
             assert!(!evp_ctx.is_null());
 
             let op = match mode {
diff --git a/src/relay/tcprelay/cached_dns.rs b/src/relay/tcprelay/cached_dns.rs
index 90f56eec..fa2e7b6b 100644
--- a/src/relay/tcprelay/cached_dns.rs
+++ b/src/relay/tcprelay/cached_dns.rs
@@ -26,8 +26,6 @@ use std::io::net::ip::IpAddr;
 
 use collect::LruCache;
 
-use config::DEFAULT_DNS_CACHE_CAPACITY;
-
 const TASK_POOL_SIZE: usize = 4;
 
 struct DnsLruCache {
diff --git a/src/relay/tcprelay/server.rs b/src/relay/tcprelay/server.rs
index 12622f41..7a589d6a 100644
--- a/src/relay/tcprelay/server.rs
+++ b/src/relay/tcprelay/server.rs
@@ -121,7 +121,7 @@ impl TcpRelayServer {
                 );
 
                 info!("Connecting to {}", addr);
-                let mut remote_stream = match addr {
+                let remote_stream = match addr {
                     Address::SocketAddress(ip, port) => {
                         try_result!(TcpStream::connect_timeout(SocketAddr {ip: ip, port: port}, Duration::seconds(30)),
                                 prefix: format!("Unable to connect {}:", addr)
diff --git a/src/relay/tcprelay/stream.rs b/src/relay/tcprelay/stream.rs
index df639b07..c8d8bfe0 100644
--- a/src/relay/tcprelay/stream.rs
+++ b/src/relay/tcprelay/stream.rs
@@ -19,6 +19,8 @@
 // IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 // CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
+#![allow(dead_code)]
+
 use std::io::{IoResult, IoError, IoErrorKind};
 use std::cmp;
 use std::slice;