Fix Rust beta compiler errors 1.78.0-beta.1 (#5439)

* remove redundant imports

* fix test

* contains key

* fmt

* Merge branch 'unstable' into fix-beta-compiler

beacon_node/store/src/chunked_vector.rs

@@ -17,7 +17,6 @@
 use self::UpdatePattern::*;
 use crate::*;
 use ssz::{Decode, Encode};
-use typenum::Unsigned;
 use types::historical_summary::HistoricalSummary;
 
 /// Description of how a `BeaconState` field is updated during state processing.

beacon_node/store/src/hot_cold_store.rs

@@ -33,13 +33,11 @@ use state_processing::{
     BlockProcessingError, BlockReplayer, SlotProcessingError, StateProcessingStrategy,
 };
 use std::cmp::min;
-use std::convert::TryInto;
 use std::marker::PhantomData;
 use std::num::NonZeroUsize;
 use std::path::Path;
 use std::sync::Arc;
 use std::time::Duration;
-use types::blob_sidecar::BlobSidecarList;
 use types::*;
 
 /// On-disk database that stores finalized states efficiently.

beacon_node/store/src/impls/beacon_state.rs

@@ -1,8 +1,6 @@
 use crate::*;
 use ssz::{DecodeError, Encode};
 use ssz_derive::Encode;
-use std::convert::TryInto;
-use types::beacon_state::{CloneConfig, CommitteeCache, CACHED_EPOCHS};
 
 pub fn store_full_state<E: EthSpec>(
     state_root: &Hash256,

beacon_node/store/src/iter.rs

@@ -381,7 +381,6 @@ fn slot_of_prev_restore_point<E: EthSpec>(current_slot: Slot) -> Slot {
 #[cfg(test)]
 mod test {
     use super::*;
-    use crate::HotColdDB;
     use crate::StoreConfig as Config;
     use beacon_chain::test_utils::BeaconChainHarness;
     use beacon_chain::types::{ChainSpec, MainnetEthSpec};

beacon_node/store/src/leveldb_store.rs

@@ -1,6 +1,5 @@
 use super::*;
 use crate::hot_cold_store::HotColdDBError;
-use crate::metrics;
 use leveldb::compaction::Compaction;
 use leveldb::database::batch::{Batch, Writebatch};
 use leveldb::database::kv::KV;
@@ -8,7 +7,7 @@ use leveldb::database::Database;
 use leveldb::error::Error as LevelDBError;
 use leveldb::iterator::{Iterable, KeyIterator, LevelDBIterator};
 use leveldb::options::{Options, ReadOptions, WriteOptions};
-use parking_lot::{Mutex, MutexGuard};
+use parking_lot::Mutex;
 use std::marker::PhantomData;
 use std::path::Path;
 

beacon_node/store/src/partial_beacon_state.rs

@@ -5,7 +5,6 @@ use crate::chunked_vector::{
 use crate::{get_key_for_col, DBColumn, Error, KeyValueStore, KeyValueStoreOp};
 use ssz::{Decode, DecodeError, Encode};
 use ssz_derive::{Decode, Encode};
-use std::convert::TryInto;
 use std::sync::Arc;
 use types::historical_summary::HistoricalSummary;
 use types::superstruct;