*: bulk upgrade

* upgrade stable feature `return_position_impl_trait_in_trait`
* upgrade lazy_cell rust-lang/rust/pull/105587
* upgrade core_io_borrowed_buf rust-lang/rust/pull/117694
* fix return position lifetime annotation

Signed-off-by: Neil Shen <overvenus@gmail.com>

cmd/tikv-ctl/src/executor.rs

@@ -13,7 +13,7 @@ use engine_traits::{
     CF_WRITE, DATA_CFS,
 };
 use file_system::read_dir;
-use futures::{executor::block_on, future, stream, Stream, StreamExt, TryStreamExt};
+use futures::{executor::block_on, future, stream::{self, BoxStream}, Stream, StreamExt, TryStreamExt};
 use grpcio::{ChannelBuilder, Environment};
 use kvproto::{
     debugpb::{Db as DbType, *},
@@ -55,7 +55,7 @@ pub const METRICS_ROCKSDB_RAFT: &str = "rocksdb_raft";
 pub const METRICS_JEMALLOC: &str = "jemalloc";
 pub const LOCK_FILE_ERROR: &str = "IO error: While lock file";
 
-type MvccInfoStream = Pin<Box<dyn Stream<Item = result::Result<(Vec<u8>, MvccInfo), String>>>>;
+type MvccInfoStream = BoxStream<'static, result::Result<(Vec<u8>, MvccInfo), String>>;
 
 fn get_engine_type(dir: &str) -> EngineType {
     let mut entries = read_dir(dir).unwrap();

cmd/tikv-ctl/src/main.rs

@@ -1,6 +1,6 @@
 // Copyright 2016 TiKV Project Authors. Licensed under Apache-2.0.
 
-#![feature(once_cell)]
+#![feature(lazy_cell)]
 #![feature(let_chains)]
 
 #[macro_use]

components/test_raftstore-v2/src/lib.rs

@@ -1,7 +1,6 @@
 // Copyright 2022 TiKV Project Authors. Licensed under Apache-2.0.
 #![allow(incomplete_features)]
 #![feature(type_alias_impl_trait)]
-#![feature(return_position_impl_trait_in_trait)]
 #![feature(let_chains)]
 
 mod cluster;

components/test_raftstore-v2/src/transport_simulate.rs

@@ -3,7 +3,7 @@
 use std::sync::{Arc, RwLock};
 
 use engine_traits::{KvEngine, RaftEngine};
-use futures::Future;
+use futures::future::{FutureExt, BoxFuture};
 use kvproto::{
     raft_cmdpb::{RaftCmdRequest, RaftCmdResponse},
     raft_serverpb::RaftMessage,
@@ -64,30 +64,30 @@ impl<C: Transport> Transport for SimulateTransport<C> {
     }
 }
 
-pub trait SnapshotRouter<E: KvEngine> {
+pub trait SnapshotRouter<EK: KvEngine> {
     fn snapshot(
         &mut self,
         req: RaftCmdRequest,
-    ) -> impl Future<Output = std::result::Result<RegionSnapshot<E::Snapshot>, RaftCmdResponse>> + Send;
+    ) -> BoxFuture<'static, std::result::Result<RegionSnapshot<EK::Snapshot>, RaftCmdResponse>>;
 }
 
 impl<EK: KvEngine, ER: RaftEngine> SnapshotRouter<EK> for RaftRouter<EK, ER> {
     fn snapshot(
         &mut self,
         req: RaftCmdRequest,
-    ) -> impl Future<Output = std::result::Result<RegionSnapshot<EK::Snapshot>, RaftCmdResponse>> + Send
+    ) -> BoxFuture<'static, std::result::Result<RegionSnapshot<EK::Snapshot>, RaftCmdResponse>>
     {
-        self.snapshot(req)
+        self.snapshot(req).boxed()
     }
 }
 
-impl<E: KvEngine, C: SnapshotRouter<E>> SnapshotRouter<E> for SimulateTransport<C> {
+impl<EK: KvEngine, C: SnapshotRouter<EK>> SnapshotRouter<EK> for SimulateTransport<C> {
     fn snapshot(
         &mut self,
         req: RaftCmdRequest,
-    ) -> impl Future<Output = std::result::Result<RegionSnapshot<E::Snapshot>, RaftCmdResponse>> + Send
+    ) -> BoxFuture<'static, std::result::Result<RegionSnapshot<EK::Snapshot>, RaftCmdResponse>>
     {
-        self.ch.snapshot(req)
+        self.ch.snapshot(req).boxed()
     }
 }
 

src/lib.rs

@@ -30,7 +30,7 @@
 #![feature(type_alias_impl_trait)]
 #![feature(impl_trait_in_assoc_type)]
 #![allow(incomplete_features)]
-#![feature(return_position_impl_trait_in_trait)]
+#![feature(core_io_borrowed_buf)]
 
 #[macro_use(fail_point)]
 extern crate fail;

src/server/debug.rs

@@ -155,7 +155,7 @@ pub trait Debugger {
         start: &[u8],
         end: &[u8],
         limit: u64,
-    ) -> Result<impl Iterator<Item = raftstore::Result<(Vec<u8>, MvccInfo)>> + Send>;
+    ) -> Result<impl Iterator<Item = raftstore::Result<(Vec<u8>, MvccInfo)>> + Send + 'static>;
 
     /// Compact the cf[start..end) in the db.
     fn compact(
@@ -887,7 +887,7 @@ where
         start: &[u8],
         end: &[u8],
         limit: u64,
-    ) -> Result<impl Iterator<Item = raftstore::Result<(Vec<u8>, MvccInfo)>> + Send> {
+    ) -> Result<impl Iterator<Item = raftstore::Result<(Vec<u8>, MvccInfo)>> + Send + 'static> {
         if end.is_empty() && limit == 0 {
             return Err(Error::InvalidArgument("no limit and to_key".to_owned()));
         }

src/server/debug2.rs

@@ -721,7 +721,7 @@ impl<ER: RaftEngine> Debugger for DebuggerImplV2<ER> {
         start: &[u8],
         end: &[u8],
         limit: u64,
-    ) -> Result<impl Iterator<Item = raftstore::Result<(Vec<u8>, MvccInfo)>> + Send> {
+    ) -> Result<impl Iterator<Item = raftstore::Result<(Vec<u8>, MvccInfo)>> + Send + 'static> {
         if end.is_empty() && limit == 0 {
             return Err(Error::InvalidArgument("no limit and to_key".to_owned()));
         }

src/server/service/debug.rs

@@ -300,7 +300,6 @@ where
         let debugger = self.debugger.clone();
 
         let res = self.pool.spawn(async move {
-            let req = req;
             debugger
                 .compact(
                     req.get_db(),

src/storage/txn/actions/prewrite.rs

@@ -766,7 +766,6 @@ fn async_commit_timestamps(
         #[cfg(not(feature = "failpoints"))]
         let injected_fallback = false;
 
-        let max_commit_ts = max_commit_ts;
         if (!max_commit_ts.is_zero() && min_commit_ts > max_commit_ts) || injected_fallback {
             warn!("commit_ts is too large, fallback to normal 2PC";
                 "key" => log_wrappers::Value::key(key.as_encoded()),