Bump rust nightly to 2020-08-17

ci/docker-rust-nightly/README.md

@@ -20,7 +20,7 @@ To update the pinned version:
    specific YYYY-MM-DD that is desired (default is today's build).
    Check https://rust-lang.github.io/rustup-components-history/ for build
    status
-1. Update `ci/rust-version.sh` to reflect the new nightly `YYY-MM-DD`
+1. Update `ci/rust-version.sh` to reflect the new nightly `YYYY-MM-DD`
 1. Run `SOLANA_ALLOCATE_TTY=1 SOLANA_DOCKER_RUN_NOSETUID=1 ci/docker-run.sh --nopull solanalabs/rust-nightly:YYYY-MM-DD ci/test-checks.sh`
    and `SOLANA_ALLOCATE_TTY=1 SOLANA_DOCKER_RUN_NOSETUID=1 ci/docker-run.sh --nopull solanalabs/rust-nightly:YYYY-MM-DD ci/test-coverage.sh [args]...`
    to confirm the new nightly image builds.  Fix any issues as needed

ci/rust-version.sh

@@ -24,7 +24,7 @@ fi
 if [[ -n $RUST_NIGHTLY_VERSION ]]; then
   nightly_version="$RUST_NIGHTLY_VERSION"
 else
-  nightly_version=2020-07-27
+  nightly_version=2020-08-17
 fi
 
 

ci/test-checks.sh

@@ -53,7 +53,9 @@ _ cargo +"$rust_stable" fmt --all -- --check
 
 # -Z... is needed because of clippy bug: https://github.com/rust-lang/rust-clippy/issues/4612
 # run nightly clippy for `sdk/` as there's a moderate amount of nightly-only code there
-_ cargo +"$rust_nightly" clippy -Zunstable-options --workspace --all-targets -- --deny=warnings
+_ cargo +"$rust_nightly" clippy \
+  -Zunstable-options --workspace --all-targets \
+  -- --deny=warnings --allow=clippy::stable_sort_primitive
 
 _ scripts/cargo-for-all-lock-files.sh +"$rust_stable" audit --ignore RUSTSEC-2020-0002 --ignore RUSTSEC-2020-0008
 

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 {

ledger/src/blockstore.rs

@@ -6600,6 +6600,7 @@ pub mod tests {
     }
 
     #[test]
+    #[allow(clippy::same_item_push)]
     fn test_get_last_hash() {
         let mut entries: Vec<Entry> = vec![];
         let empty_entries_iterator = entries.iter();

ledger/src/entry.rs

@@ -638,6 +638,7 @@ pub fn next_entry_mut(start: &mut Hash, num_hashes: u64, transactions: Vec<Trans
     entry
 }
 
+#[allow(clippy::same_item_push)]
 pub fn create_ticks(num_ticks: u64, hashes_per_tick: u64, mut hash: Hash) -> Vec<Entry> {
     let mut ticks = Vec::with_capacity(num_ticks as usize);
     for _ in 0..num_ticks {
@@ -648,6 +649,7 @@ pub fn create_ticks(num_ticks: u64, hashes_per_tick: u64, mut hash: Hash) -> Vec
     ticks
 }
 
+#[allow(clippy::same_item_push)]
 pub fn create_random_ticks(num_ticks: u64, max_hashes_per_tick: u64, mut hash: Hash) -> Vec<Entry> {
     let mut ticks = Vec::with_capacity(num_ticks as usize);
     for _ in 0..num_ticks {

programs/vote/src/vote_instruction.rs

@@ -331,6 +331,7 @@ mod tests {
         );
     }
 
+    #[allow(clippy::same_item_push)]
     fn process_instruction(instruction: &Instruction) -> Result<(), InstructionError> {
         let mut accounts: Vec<_> = instruction
             .accounts

runtime/src/bank.rs

@@ -1966,6 +1966,7 @@ impl Bank {
         }
     }
 
+    #[allow(clippy::needless_collect)]
     fn distribute_rent_to_validators(
         &self,
         vote_account_hashmap: &HashMap<Pubkey, (u64, Account)>,

runtime/src/snapshot_utils.rs

@@ -92,7 +92,7 @@ impl SnapshotVersion {
     }
 }
 
-#[derive(PartialEq, Ord, Eq, Debug)]
+#[derive(PartialEq, Eq, Debug)]
 pub struct SlotSnapshotPaths {
     pub slot: Slot,
     pub snapshot_file_path: PathBuf,
@@ -126,6 +126,12 @@ impl PartialOrd for SlotSnapshotPaths {
     }
 }
 
+impl Ord for SlotSnapshotPaths {
+    fn cmp(&self, other: &Self) -> Ordering {
+        self.slot.cmp(&other.slot)
+    }
+}
+
 impl SlotSnapshotPaths {
     fn copy_snapshot_directory<P: AsRef<Path>>(&self, snapshot_hardlink_dir: P) -> Result<()> {
         // Create a new directory in snapshot_hardlink_dir

sdk/src/pubkey.rs

@@ -158,8 +158,9 @@ impl Pubkey {
     /// Find a valid program address and its corresponding nonce which must be passed
     /// as an additional seed when calling `create_program_address`
     // #[cfg(not(feature = "program"))]
+    #[allow(clippy::same_item_push)]
     pub fn find_program_address(seeds: &[&[u8]], program_id: &Pubkey) -> (Pubkey, u8) {
-        let mut nonce = [255];
+        let mut nonce = [std::u8::MAX];
         for _ in 0..std::u8::MAX {
             {
                 let mut seeds_with_nonce = seeds.to_vec();

transaction-status/src/parse_token.rs

@@ -311,6 +311,7 @@ mod test {
     }
 
     #[test]
+    #[allow(clippy::same_item_push)]
     fn test_parse_token() {
         let mut keys: Vec<Pubkey> = vec![];
         for _ in 0..10 {
@@ -656,6 +657,7 @@ mod test {
     }
 
     #[test]
+    #[allow(clippy::same_item_push)]
     fn test_token_ix_not_enough_keys() {
         let mut keys: Vec<Pubkey> = vec![];
         for _ in 0..10 {