fix compile error

Signed-off-by: Renkai <gaelookair@gmail.com>

examples/raw.rs

@@ -26,7 +26,7 @@ async fn main() -> Result<()> {
 
     // When we first create a client we receive a `Connect` structure which must be resolved before
     // the client is actually connected and usable.
-    let client = Client::new(config)?;
+    let client = Client::new(config).await?;
 
     // Requests are created from the connected client. These calls return structures which
     // implement `Future`. This means the `Future` must be resolved before the action ever takes
@@ -87,7 +87,7 @@ async fn main() -> Result<()> {
     let end = "k2";
     let pairs = client
         .with_key_only(true)
-        .scan((start..=end).to_owned(), 10)
+        .scan((start..=end).to_owned(), 10 as u32)
         .await
         .expect("Could not scan");
 

src/pd/retry.rs

@@ -185,10 +185,11 @@ mod test {
             reconnect_count: Mutex<usize>,
         }
 
+        #[async_trait]
         impl Reconnect for MockClient {
             type Cl = ();
 
-            fn reconnect(&self, _: u64) -> Result<()> {
+            async fn reconnect(&self, _: u64) -> Result<()> {
                 *self.reconnect_count.lock().unwrap() += 1;
                 // Not actually unimplemented, we just don't care about the error.
                 Err(Error::unimplemented())
@@ -223,10 +224,11 @@ mod test {
             retry_count: Mutex<usize>,
         }
 
+        #[async_trait]
         impl Reconnect for MockClient {
             type Cl = ();
 
-            fn reconnect(&self, _: u64) -> Result<()> {
+            async fn reconnect(&self, _: u64) -> Result<()> {
                 Ok(())
             }
 

src/proptests/raw.rs

@@ -12,7 +12,7 @@ proptest! {
     fn point(
         pair in any::<KvPair>(),
     ) {
-        let client = Client::new(Config::new(pd_addrs())).unwrap();
+        let client = block_on(Client::new(Config::new(pd_addrs()))).unwrap();
 
         block_on(
             client.put(pair.key().clone(), pair.value().clone())
@@ -36,7 +36,7 @@ proptest! {
     fn batch(
         kvs in arb_batch(any::<KvPair>(), None),
     ) {
-        let client = Client::new(Config::new(pd_addrs())).unwrap();
+        let client = block_on(Client::new(Config::new(pd_addrs()))).unwrap();
         let keys = kvs.iter().map(|kv| kv.key()).cloned().collect::<Vec<_>>();
 
         block_on(