update tokio verion and prep alpha3 release

actix-codec/Cargo.toml

@@ -21,7 +21,6 @@ path = "src/lib.rs"
 bitflags = "1.2.1"
 bytes = "0.5.2"
 futures = "0.3.1"
-pin-project = "0.4.6"
-tokio = { version = "0.2.2", default-features=false }
+tokio = { version = "0.2.3", default-features=false }
 tokio-util = { version = "0.2.0", default-features=false, features=["codec"] }
 log = "0.4"

actix-codec/src/framed.rs

@@ -4,7 +4,6 @@ use std::{fmt, io};
 
 use bytes::{BufMut, BytesMut};
 use futures::{ready, Sink, Stream};
-use pin_project::pin_project;
 
 use crate::{AsyncRead, AsyncWrite, Decoder, Encoder};
 
@@ -22,7 +21,6 @@ bitflags::bitflags! {
 /// the `Encoder` and `Decoder` traits to encode and decode frames.
 ///
 /// You can create a `Framed` instance by using the `AsyncRead::framed` adapter.
-#[pin_project]
 pub struct Framed<T, U> {
     io: T,
     codec: U,
@@ -31,6 +29,8 @@ pub struct Framed<T, U> {
     write_buf: BytesMut,
 }
 
+impl<T, U> Unpin for Framed<T, U> {}
+
 impl<T, U> Framed<T, U>
 where
     T: AsyncRead + AsyncWrite,