fix

Author: andylokandy

src/request/plan.rs

@@ -784,7 +784,7 @@ where
     type Result = P::Result;
 
     async fn execute(&self) -> Result<Self::Result> {
-        let result = self.inner.execute().await?;
+        let mut result = self.inner.execute().await?;
         if let Some(errors) = result.key_errors() {
             Err(Error::ExtractedErrors(errors))
         } else if let Some(errors) = result.region_errors() {

src/store/errors.rs

@@ -1,5 +1,7 @@
 // Copyright 2019 TiKV Project Authors. Licensed under Apache-2.0.
 
+use std::fmt::Display;
+
 use crate::proto::kvrpcpb;
 use crate::Error;