Upgrade to tokio 0.2/futures 0.3

postgres-openssl/src/lib.rs

@@ -42,8 +42,7 @@
 #![doc(html_root_url = "https://docs.rs/postgres-openssl/0.3")]
 #![warn(rust_2018_idioms, clippy::all, missing_docs)]
 
-use futures::task::Context;
-use futures::Poll;
+use std::task::{Poll, Context};
 #[cfg(feature = "runtime")]
 use openssl::error::ErrorStack;
 use openssl::hash::MessageDigest;
@@ -57,12 +56,14 @@ use std::io;
 use std::pin::Pin;
 #[cfg(feature = "runtime")]
 use std::sync::Arc;
-use tokio_io::{AsyncRead, AsyncWrite, Buf, BufMut};
+use tokio::io::{AsyncRead, AsyncWrite};
+use bytes::{Buf, BufMut};
 use tokio_openssl::{HandshakeError, SslStream};
 use tokio_postgres::tls;
 #[cfg(feature = "runtime")]
 use tokio_postgres::tls::MakeTlsConnect;
 use tokio_postgres::tls::{ChannelBinding, TlsConnect};
+use std::mem::MaybeUninit;
 
 #[cfg(test)]
 mod test;
@@ -156,7 +157,7 @@ impl<S> AsyncRead for TlsStream<S>
 where
     S: AsyncRead + AsyncWrite + Unpin,
 {
-    unsafe fn prepare_uninitialized_buffer(&self, buf: &mut [u8]) -> bool {
+    unsafe fn prepare_uninitialized_buffer(&self, buf: &mut [MaybeUninit<u8>]) -> bool {
         self.0.prepare_uninitialized_buffer(buf)
     }