fix clippy

Signed-off-by: haojinming <jinming.hao@pingcap.com>

Author: haojinming

src/request/plan.rs

@@ -502,7 +502,7 @@ impl<P: Plan, PdC: PdClient> Clone for CleanupLocks<P, PdC> {
             logger: self.logger.clone(),
             inner: self.inner.clone(),
             ctx: self.ctx.clone(),
-            options: self.options.clone(),
+            options: self.options,
             store: None,
             pd_client: self.pd_client.clone(),
             backoff: self.backoff.clone(),

src/transaction/lock.rs

@@ -149,7 +149,7 @@ pub struct ResolveLocksContext {
     pub(crate) clean_regions: Arc<RwLock<HashMap<u64, HashSet<RegionVerId>>>>,
 }
 
-#[derive(Clone, Debug)]
+#[derive(Clone, Copy, Debug)]
 pub struct ResolveLocksOptions {
     pub async_commit_only: bool,
     pub batch_size: u32,

tests/common/mod.rs

@@ -53,7 +53,7 @@ pub async fn init() -> Result<()> {
     clear_tikv().await;
     let region_cnt = ctl::get_region_count().await?;
     // print log for debug convenience
-    println!("init finish with {} regions", region_cnt);
+    println!("init finish with {region_cnt} regions");
     Ok(())
 }