Update to bytes v0.5

Except for `multiaddr` which encapsulates its use of bytes v0.4 now.

core/Cargo.toml

@@ -12,7 +12,7 @@ categories = ["network-programming", "asynchronous"]
 [dependencies]
 asn1_der = "0.6.1"
 bs58 = "0.3.0"
-bytes = "0.4"
+bytes = "0.5"
 ed25519-dalek = "1.0.0-pre.3"
 failure = "0.1"
 fnv = "1.0"
@@ -32,7 +32,7 @@ rand = "0.7"
 rw-stream-sink = { version = "0.1.1", path = "../misc/rw-stream-sink" }
 sha2 = "0.8.0"
 smallvec = "1.0"
-unsigned-varint = "0.2"
+unsigned-varint = { git = "https://github.com/twittner/unsigned-varint.git", branch = "bytes-0.5" }
 void = "1"
 zeroize = "1"
 

core/src/transport/memory.rs

@@ -19,7 +19,6 @@
 // DEALINGS IN THE SOFTWARE.
 
 use crate::{Transport, transport::{TransportError, ListenerEvent}};
-use bytes::IntoBuf;
 use fnv::FnvHashMap;
 use futures::{future::{self, Ready}, prelude::*, channel::mpsc, task::Context, task::Poll};
 use lazy_static::lazy_static;
@@ -271,8 +270,7 @@ impl<T> Sink<T> for Chan<T> {
     }
 }
 
-impl<T: IntoBuf> Into<RwStreamSink<Chan<T>>> for Chan<T> {
-    #[inline]
+impl<T: AsRef<[u8]>> Into<RwStreamSink<Chan<T>>> for Chan<T> {
     fn into(self) -> RwStreamSink<Chan<T>> {
         RwStreamSink::new(self)
     }