Address latest nightly clippy lints, but globally disable stable_sort_primitive

core/benches/banking_stage.rs

@@ -109,6 +109,7 @@ fn make_accounts_txs(txes: usize, mint_keypair: &Keypair, hash: Hash) -> Vec<Tra
         .collect()
 }
 
+#[allow(clippy::same_item_push)]
 fn make_programs_txs(txes: usize, hash: Hash) -> Vec<Transaction> {
     let progs = 4;
     (0..txes)
@@ -294,6 +295,7 @@ fn simulate_process_entries(
     process_entries(&bank, &[entry], randomize_txs, None, None).unwrap();
 }
 
+#[allow(clippy::same_item_push)]
 fn bench_process_entries(randomize_txs: bool, bencher: &mut Bencher) {
     // entropy multiplier should be big enough to provide sufficient entropy
     // but small enough to not take too much time while executing the test.

core/benches/retransmit_stage.rs

@@ -27,6 +27,7 @@ use std::time::Duration;
 use test::Bencher;
 
 #[bench]
+#[allow(clippy::same_item_push)]
 fn bench_retransmitter(bencher: &mut Bencher) {
     solana_logger::setup();
     let cluster_info = ClusterInfo::new_with_invalid_keypair(Node::new_localhost().info);

core/src/broadcast_stage.rs

@@ -203,6 +203,7 @@ impl BroadcastStage {
     /// which will then close FetchStage in the Tpu, and then the rest of the Tpu,
     /// completing the cycle.
     #[allow(clippy::too_many_arguments)]
+    #[allow(clippy::same_item_push)]
     fn new(
         socks: Vec<UdpSocket>,
         cluster_info: Arc<ClusterInfo>,

core/src/cluster_info.rs

@@ -3345,6 +3345,7 @@ mod tests {
     }
 
     #[test]
+    #[allow(clippy::same_item_push)]
     fn test_push_epoch_slots_large() {
         use rand::Rng;
         let node_keypair = Arc::new(Keypair::new());

core/src/epoch_slots.rs

@@ -451,6 +451,7 @@ mod tests {
     }
 
     #[test]
+    #[allow(clippy::same_item_push)]
     fn test_epoch_slots_fill_uncompressed_random_range() {
         use rand::Rng;
         for _ in 0..10 {
@@ -469,6 +470,7 @@ mod tests {
     }
 
     #[test]
+    #[allow(clippy::same_item_push)]
     fn test_epoch_slots_fill_compressed_random_range() {
         use rand::Rng;
         for _ in 0..10 {
@@ -489,6 +491,7 @@ mod tests {
     }
 
     #[test]
+    #[allow(clippy::same_item_push)]
     fn test_epoch_slots_fill_random_range() {
         use rand::Rng;
         for _ in 0..10 {