diff --git a/banking-bench/src/main.rs b/banking-bench/src/main.rs
index 4947256932..5c765b9a1f 100644
--- a/banking-bench/src/main.rs
+++ b/banking-bench/src/main.rs
@@ -162,7 +162,6 @@ fn main() {
         // If it is dropped before poh_service, then poh_service will error when
         // calling send() on the channel.
         let signal_receiver = Arc::new(signal_receiver);
-        let signal_receiver2 = signal_receiver.clone();
         let mut total = 0;
         let mut tx_total = 0;
         let mut txs_processed = 0;
@@ -215,7 +214,7 @@ fn main() {
                     sleep(Duration::from_millis(5));
                 }
             }
-            if check_txs(&signal_receiver2, txes / CHUNKS, &poh_recorder) {
+            if check_txs(&signal_receiver, txes / CHUNKS, &poh_recorder) {
                 debug!(
                     "resetting bank {} tx count: {} txs_proc: {}",
                     bank.slot(),
diff --git a/bench-exchange/src/bench.rs b/bench-exchange/src/bench.rs
index 0fa9884560..fce6631a67 100644
--- a/bench-exchange/src/bench.rs
+++ b/bench-exchange/src/bench.rs
@@ -256,7 +256,7 @@ where
     trace!("Start trader thread");
     let trader_thread = {
         let exit_signal = exit_signal.clone();
-        let shared_txs = shared_txs.clone();
+
         let client = clients[0].clone();
         Builder::new()
             .name("solana-exchange-trader".to_string())
diff --git a/ci/docker-rust-nightly/Dockerfile b/ci/docker-rust-nightly/Dockerfile
index 2ee345a555..e4e48c6974 100644
--- a/ci/docker-rust-nightly/Dockerfile
+++ b/ci/docker-rust-nightly/Dockerfile
@@ -1,4 +1,4 @@
-FROM solanalabs/rust:1.39.0
+FROM solanalabs/rust:1.40.0
 ARG date
 
 RUN set -x \
diff --git a/ci/docker-rust/Dockerfile b/ci/docker-rust/Dockerfile
index b9e5ea6c18..0e92f4c65f 100644
--- a/ci/docker-rust/Dockerfile
+++ b/ci/docker-rust/Dockerfile
@@ -1,6 +1,6 @@
 # Note: when the rust version is changed also modify
 # ci/rust-version.sh to pick up the new image tag
-FROM rust:1.39.0
+FROM rust:1.40.0
 
 # Add Google Protocol Buffers for Libra's metrics library.
 ENV PROTOC_VERSION 3.8.0
diff --git a/ci/rust-version.sh b/ci/rust-version.sh
index f818f6fed8..529ca142d7 100644
--- a/ci/rust-version.sh
+++ b/ci/rust-version.sh
@@ -16,13 +16,13 @@
 if [[ -n $RUST_STABLE_VERSION ]]; then
   stable_version="$RUST_STABLE_VERSION"
 else
-  stable_version=1.39.0
+  stable_version=1.40.0
 fi
 
 if [[ -n $RUST_NIGHTLY_VERSION ]]; then
   nightly_version="$RUST_NIGHTLY_VERSION"
 else
-  nightly_version=2019-11-13
+  nightly_version=2019-12-19
 fi
 
 
diff --git a/ci/test-checks.sh b/ci/test-checks.sh
index d90260a27b..088cffec90 100755
--- a/ci/test-checks.sh
+++ b/ci/test-checks.sh
@@ -19,7 +19,7 @@ _ cargo +"$rust_stable" clippy --all --exclude solana-sdk-c -- --deny=warnings
 _ cargo +"$rust_stable" clippy --manifest-path sdk-c/Cargo.toml -- --deny=warnings
 
 _ cargo +"$rust_stable" audit --version
-_ cargo +"$rust_stable" audit --ignore RUSTSEC-2019-0013 --ignore RUSTSEC-2018-0015
+_ cargo +"$rust_stable" audit --ignore RUSTSEC-2019-0013 --ignore RUSTSEC-2018-0015 --ignore RUSTSEC-2019-0031
 _ ci/nits.sh
 _ ci/order-crates-for-publishing.py
 _ book/build.sh
@@ -27,7 +27,7 @@ _ ci/check-ssh-keys.sh
 
 {
   cd programs/bpf
-  _ cargo +"$rust_stable" audit
+  _ cargo +"$rust_stable" audit --ignore RUSTSEC-2019-0031
   for project in rust/*/ ; do
     echo "+++ do_bpf_checks $project"
     (
diff --git a/cli/src/cli.rs b/cli/src/cli.rs
index abc05acf8a..20ed6f1a30 100644
--- a/cli/src/cli.rs
+++ b/cli/src/cli.rs
@@ -802,11 +802,11 @@ fn process_deploy(
 ) -> ProcessResult {
     let program_id = Keypair::new();
     let mut file = File::open(program_location).map_err(|err| {
-        CliError::DynamicProgramError(format!("Unable to open program file: {}", err).to_string())
+        CliError::DynamicProgramError(format!("Unable to open program file: {}", err))
     })?;
     let mut program_data = Vec::new();
     file.read_to_end(&mut program_data).map_err(|err| {
-        CliError::DynamicProgramError(format!("Unable to read program file: {}", err).to_string())
+        CliError::DynamicProgramError(format!("Unable to read program file: {}", err))
     })?;
 
     // Build transactions to calculate fees
diff --git a/cli/src/nonce.rs b/cli/src/nonce.rs
index 2715bc6ff0..f06f9ed9be 100644
--- a/cli/src/nonce.rs
+++ b/cli/src/nonce.rs
@@ -357,9 +357,10 @@ pub fn process_create_nonce_account(
 pub fn process_get_nonce(rpc_client: &RpcClient, nonce_account_pubkey: &Pubkey) -> ProcessResult {
     let nonce_account = rpc_client.get_account(nonce_account_pubkey)?;
     if nonce_account.owner != nonce_program::id() {
-        return Err(CliError::RpcRequestError(
-            format!("{:?} is not a nonce account", nonce_account_pubkey).to_string(),
-        )
+        return Err(CliError::RpcRequestError(format!(
+            "{:?} is not a nonce account",
+            nonce_account_pubkey
+        ))
         .into());
     }
     match nonce_account.state() {
@@ -417,9 +418,10 @@ pub fn process_show_nonce_account(
 ) -> ProcessResult {
     let nonce_account = rpc_client.get_account(nonce_account_pubkey)?;
     if nonce_account.owner != nonce_program::id() {
-        return Err(CliError::RpcRequestError(
-            format!("{:?} is not a nonce account", nonce_account_pubkey).to_string(),
-        )
+        return Err(CliError::RpcRequestError(format!(
+            "{:?} is not a nonce account",
+            nonce_account_pubkey
+        ))
         .into());
     }
     let print_account = |hash: Option<Hash>| {
diff --git a/cli/src/stake.rs b/cli/src/stake.rs
index 9566c566be..dffe927d36 100644
--- a/cli/src/stake.rs
+++ b/cli/src/stake.rs
@@ -658,9 +658,10 @@ pub fn process_show_stake_account(
 ) -> ProcessResult {
     let stake_account = rpc_client.get_account(stake_account_pubkey)?;
     if stake_account.owner != solana_stake_program::id() {
-        return Err(CliError::RpcRequestError(
-            format!("{:?} is not a stake account", stake_account_pubkey).to_string(),
-        )
+        return Err(CliError::RpcRequestError(format!(
+            "{:?} is not a stake account",
+            stake_account_pubkey
+        ))
         .into());
     }
     fn show_authorized(authorized: &Authorized) {
diff --git a/cli/src/storage.rs b/cli/src/storage.rs
index c9e0f83f26..93f7981001 100644
--- a/cli/src/storage.rs
+++ b/cli/src/storage.rs
@@ -214,7 +214,7 @@ pub fn process_claim_storage_reward(
         &tx.message,
     )?;
     let signature_str = rpc_client.send_and_confirm_transaction(&mut tx, &signers)?;
-    Ok(signature_str.to_string())
+    Ok(signature_str)
 }
 
 pub fn process_show_storage_account(
@@ -225,17 +225,16 @@ pub fn process_show_storage_account(
     let account = rpc_client.get_account(storage_account_pubkey)?;
 
     if account.owner != solana_storage_program::id() {
-        return Err(CliError::RpcRequestError(
-            format!("{:?} is not a storage account", storage_account_pubkey).to_string(),
-        )
+        return Err(CliError::RpcRequestError(format!(
+            "{:?} is not a storage account",
+            storage_account_pubkey
+        ))
         .into());
     }
 
     use solana_storage_program::storage_contract::StorageContract;
     let storage_contract: StorageContract = account.state().map_err(|err| {
-        CliError::RpcRequestError(
-            format!("Unable to deserialize storage account: {:?}", err).to_string(),
-        )
+        CliError::RpcRequestError(format!("Unable to deserialize storage account: {:?}", err))
     })?;
     println!("{:#?}", storage_contract);
     println!("account lamports: {}", account.lamports);
diff --git a/cli/src/vote.rs b/cli/src/vote.rs
index d45ef76988..83b0c25e27 100644
--- a/cli/src/vote.rs
+++ b/cli/src/vote.rs
@@ -402,9 +402,10 @@ fn get_vote_account(
     let vote_account = rpc_client.get_account(vote_account_pubkey)?;
 
     if vote_account.owner != solana_vote_program::id() {
-        return Err(CliError::RpcRequestError(
-            format!("{:?} is not a vote account", vote_account_pubkey).to_string(),
-        )
+        return Err(CliError::RpcRequestError(format!(
+            "{:?} is not a vote account",
+            vote_account_pubkey
+        ))
         .into());
     }
     let vote_state = VoteState::deserialize(&vote_account.data).map_err(|_| {
diff --git a/core/src/archiver.rs b/core/src/archiver.rs
index 4d4a107f63..f31fc4b14b 100644
--- a/core/src/archiver.rs
+++ b/core/src/archiver.rs
@@ -146,7 +146,7 @@ fn create_request_processor(
     let t_receiver = receiver(storage_socket.clone(), exit, s_reader, recycler, "archiver");
     thread_handles.push(t_receiver);
 
-    let t_responder = responder("archiver-responder", storage_socket.clone(), r_responder);
+    let t_responder = responder("archiver-responder", storage_socket, r_responder);
     thread_handles.push(t_responder);
 
     let exit = exit.clone();
@@ -428,7 +428,7 @@ impl Archiver {
                             "collected mining rewards: Account balance {:?}",
                             client.get_balance_with_commitment(
                                 &archiver_keypair.pubkey(),
-                                client_commitment.clone()
+                                client_commitment
                             )
                         );
                     }
@@ -493,7 +493,7 @@ impl Archiver {
 
         let _sigverify_stage = SigVerifyStage::new(
             shred_fetch_receiver,
-            verified_sender.clone(),
+            verified_sender,
             DisabledSigVerifier::default(),
         );
 
@@ -650,7 +650,7 @@ impl Archiver {
             let tx = Transaction::new_signed_instructions(&[keypair], ix, blockhash);
             let signature = client.async_send_transaction(tx)?;
             client
-                .poll_for_signature_with_commitment(&signature, client_commitment.clone())
+                .poll_for_signature_with_commitment(&signature, client_commitment)
                 .map_err(|err| match err {
                     TransportError::IoError(e) => e,
                     TransportError::TransactionError(_) => io::Error::new(
@@ -866,7 +866,7 @@ impl Archiver {
         let t_receiver = receiver(
             repair_socket.clone(),
             &exit,
-            s_reader.clone(),
+            s_reader,
             Recycler::default(),
             "archiver_reeciver",
         );
diff --git a/core/src/cluster_info.rs b/core/src/cluster_info.rs
index 81583e083b..0145e00670 100644
--- a/core/src/cluster_info.rs
+++ b/core/src/cluster_info.rs
@@ -203,8 +203,7 @@ impl ClusterInfo {
 
     pub fn insert_self(&mut self, contact_info: ContactInfo) {
         if self.id() == contact_info.id {
-            let value =
-                CrdsValue::new_signed(CrdsData::ContactInfo(contact_info.clone()), &self.keypair);
+            let value = CrdsValue::new_signed(CrdsData::ContactInfo(contact_info), &self.keypair);
             let _ = self.gossip.crds.insert(value, timestamp());
         }
     }
@@ -831,19 +830,19 @@ impl ClusterInfo {
     }
 
     pub fn window_index_request_bytes(&self, slot: Slot, shred_index: u64) -> Result<Vec<u8>> {
-        let req = Protocol::RequestWindowIndex(self.my_data().clone(), slot, shred_index);
+        let req = Protocol::RequestWindowIndex(self.my_data(), slot, shred_index);
         let out = serialize(&req)?;
         Ok(out)
     }
 
     fn window_highest_index_request_bytes(&self, slot: Slot, shred_index: u64) -> Result<Vec<u8>> {
-        let req = Protocol::RequestHighestWindowIndex(self.my_data().clone(), slot, shred_index);
+        let req = Protocol::RequestHighestWindowIndex(self.my_data(), slot, shred_index);
         let out = serialize(&req)?;
         Ok(out)
     }
 
     fn orphan_bytes(&self, slot: Slot) -> Result<Vec<u8>> {
-        let req = Protocol::RequestOrphan(self.my_data().clone(), slot);
+        let req = Protocol::RequestOrphan(self.my_data(), slot);
         let out = serialize(&req)?;
         Ok(out)
     }
@@ -1501,7 +1500,7 @@ impl ClusterInfo {
             .gossip
             .crds
             .update_record_timestamp(&from.id, timestamp());
-        let my_info = me.read().unwrap().my_data().clone();
+        let my_info = me.read().unwrap().my_data();
 
         let (res, label) = {
             match &request {
diff --git a/core/src/retransmit_stage.rs b/core/src/retransmit_stage.rs
index 1f94fc97df..c3bf504e5a 100644
--- a/core/src/retransmit_stage.rs
+++ b/core/src/retransmit_stage.rs
@@ -67,7 +67,7 @@ fn retransmit(
         .read()
         .unwrap()
         .sorted_retransmit_peers_and_stakes(stakes);
-    let me = cluster_info.read().unwrap().my_data().clone();
+    let me = cluster_info.read().unwrap().my_data();
     let mut discard_total = 0;
     let mut repair_total = 0;
     let mut retransmit_total = 0;
diff --git a/core/src/rpc.rs b/core/src/rpc.rs
index c2bace99b8..57f4b0532c 100644
--- a/core/src/rpc.rs
+++ b/core/src/rpc.rs
@@ -95,7 +95,7 @@ impl JsonRpcRequestProcessor {
         block_commitment_cache: Arc<RwLock<BlockCommitmentCache>>,
         blocktree: Arc<Blocktree>,
         storage_state: StorageState,
-        validator_exit: &Arc<RwLock<Option<ValidatorExit>>>,
+        validator_exit: Arc<RwLock<Option<ValidatorExit>>>,
     ) -> Self {
         JsonRpcRequestProcessor {
             config,
@@ -103,7 +103,7 @@ impl JsonRpcRequestProcessor {
             block_commitment_cache,
             blocktree,
             storage_state,
-            validator_exit: validator_exit.clone(),
+            validator_exit,
         }
     }
 
@@ -1207,7 +1207,7 @@ pub mod tests {
             block_commitment_cache.clone(),
             blocktree,
             StorageState::default(),
-            &validator_exit,
+            validator_exit,
         )));
         let cluster_info = Arc::new(RwLock::new(ClusterInfo::new_with_invalid_keypair(
             ContactInfo::default(),
@@ -1259,7 +1259,7 @@ pub mod tests {
             block_commitment_cache,
             Arc::new(blocktree),
             StorageState::default(),
-            &validator_exit,
+            validator_exit,
         );
         thread::spawn(move || {
             let blockhash = bank.confirmed_last_blockhash().0;
@@ -1756,7 +1756,7 @@ pub mod tests {
                     block_commitment_cache,
                     Arc::new(blocktree),
                     StorageState::default(),
-                    &validator_exit,
+                    validator_exit,
                 );
                 Arc::new(RwLock::new(request_processor))
             },
@@ -1854,7 +1854,7 @@ pub mod tests {
             block_commitment_cache,
             Arc::new(blocktree),
             StorageState::default(),
-            &validator_exit,
+            validator_exit,
         );
         assert_eq!(request_processor.validator_exit(), Ok(false));
         assert_eq!(exit.load(Ordering::Relaxed), false);
@@ -1875,7 +1875,7 @@ pub mod tests {
             block_commitment_cache,
             Arc::new(blocktree),
             StorageState::default(),
-            &validator_exit,
+            validator_exit,
         );
         assert_eq!(request_processor.validator_exit(), Ok(true));
         assert_eq!(exit.load(Ordering::Relaxed), true);
@@ -1928,7 +1928,7 @@ pub mod tests {
             block_commitment_cache,
             Arc::new(blocktree),
             StorageState::default(),
-            &validator_exit,
+            validator_exit,
         );
         assert_eq!(
             request_processor.get_block_commitment(0),
diff --git a/core/src/rpc_pubsub.rs b/core/src/rpc_pubsub.rs
index f3bfdf34cd..274d648b52 100644
--- a/core/src/rpc_pubsub.rs
+++ b/core/src/rpc_pubsub.rs
@@ -345,7 +345,10 @@ mod tests {
             let expected_res: Option<transaction::Result<()>> = Some(Ok(()));
             let expected_res_str =
                 serde_json::to_string(&serde_json::to_value(expected_res).unwrap()).unwrap();
-            let expected = format!(r#"{{"jsonrpc":"2.0","method":"signatureNotification","params":{{"result":{},"subscription":0}}}}"#, expected_res_str);
+            let expected = format!(
+                r#"{{"jsonrpc":"2.0","method":"signatureNotification","params":{{"result":{},"subscription":0}}}}"#,
+                expected_res_str
+            );
             assert_eq!(expected, response);
         }
     }
@@ -389,7 +392,9 @@ mod tests {
         let req =
             format!(r#"{{"jsonrpc":"2.0","id":1,"method":"signatureUnsubscribe","params":[1]}}"#);
         let res = io.handle_request_sync(&req, session.clone());
-        let expected = format!(r#"{{"jsonrpc":"2.0","error":{{"code":-32602,"message":"Invalid Request: Subscription id does not exist"}},"id":1}}"#);
+        let expected = format!(
+            r#"{{"jsonrpc":"2.0","error":{{"code":-32602,"message":"Invalid Request: Subscription id does not exist"}},"id":1}}"#
+        );
         let expected: Response = serde_json::from_str(&expected).unwrap();
 
         let result: Response = serde_json::from_str(&res.unwrap()).unwrap();
@@ -529,7 +534,9 @@ mod tests {
         let req =
             format!(r#"{{"jsonrpc":"2.0","id":1,"method":"accountUnsubscribe","params":[1]}}"#);
         let res = io.handle_request_sync(&req, session.clone());
-        let expected = format!(r#"{{"jsonrpc":"2.0","error":{{"code":-32602,"message":"Invalid Request: Subscription id does not exist"}},"id":1}}"#);
+        let expected = format!(
+            r#"{{"jsonrpc":"2.0","error":{{"code":-32602,"message":"Invalid Request: Subscription id does not exist"}},"id":1}}"#
+        );
         let expected: Response = serde_json::from_str(&expected).unwrap();
 
         let result: Response = serde_json::from_str(&res.unwrap()).unwrap();
@@ -640,7 +647,10 @@ mod tests {
             };
             let expected_res_str =
                 serde_json::to_string(&serde_json::to_value(expected_res).unwrap()).unwrap();
-            let expected = format!(r#"{{"jsonrpc":"2.0","method":"slotNotification","params":{{"result":{},"subscription":0}}}}"#, expected_res_str);
+            let expected = format!(
+                r#"{{"jsonrpc":"2.0","method":"slotNotification","params":{{"result":{},"subscription":0}}}}"#,
+                expected_res_str
+            );
             assert_eq!(expected, response);
         }
     }
@@ -662,7 +672,10 @@ mod tests {
             };
             let expected_res_str =
                 serde_json::to_string(&serde_json::to_value(expected_res).unwrap()).unwrap();
-            let expected = format!(r#"{{"jsonrpc":"2.0","method":"slotNotification","params":{{"result":{},"subscription":0}}}}"#, expected_res_str);
+            let expected = format!(
+                r#"{{"jsonrpc":"2.0","method":"slotNotification","params":{{"result":{},"subscription":0}}}}"#,
+                expected_res_str
+            );
             assert_eq!(expected, response);
         }
 
diff --git a/core/src/rpc_pubsub_service.rs b/core/src/rpc_pubsub_service.rs
index 6ec5c7ae3e..75cd06dd7b 100644
--- a/core/src/rpc_pubsub_service.rs
+++ b/core/src/rpc_pubsub_service.rs
@@ -31,7 +31,7 @@ impl PubSubService {
 
                 let server = ServerBuilder::with_meta_extractor(io, |context: &RequestContext| {
                         info!("New pubsub connection");
-                        let session = Arc::new(Session::new(context.sender().clone()));
+                        let session = Arc::new(Session::new(context.sender()));
                         session.on_drop(|| {
                             info!("Pubsub connection dropped");
                         });
diff --git a/core/src/rpc_service.rs b/core/src/rpc_service.rs
index 5d0a445664..c9344d51d1 100644
--- a/core/src/rpc_service.rs
+++ b/core/src/rpc_service.rs
@@ -92,11 +92,11 @@ impl JsonRpcService {
         bank_forks: Arc<RwLock<BankForks>>,
         block_commitment_cache: Arc<RwLock<BlockCommitmentCache>>,
         blocktree: Arc<Blocktree>,
-        cluster_info: &Arc<RwLock<ClusterInfo>>,
+        cluster_info: Arc<RwLock<ClusterInfo>>,
         genesis_hash: Hash,
         ledger_path: &Path,
         storage_state: StorageState,
-        validator_exit: &Arc<RwLock<Option<ValidatorExit>>>,
+        validator_exit: Arc<RwLock<Option<ValidatorExit>>>,
     ) -> Self {
         info!("rpc bound to {:?}", rpc_addr);
         info!("rpc configuration: {:?}", config);
@@ -106,11 +106,12 @@ impl JsonRpcService {
             block_commitment_cache,
             blocktree,
             storage_state,
-            validator_exit,
+            validator_exit.clone(),
         )));
-        let request_processor_ = request_processor.clone();
 
-        let cluster_info = cluster_info.clone();
+        #[cfg(test)]
+        let test_request_processor = request_processor.clone();
+
         let ledger_path = ledger_path.to_path_buf();
 
         let (close_handle_sender, close_handle_receiver) = channel();
@@ -123,7 +124,7 @@ impl JsonRpcService {
 
                 let server =
                     ServerBuilder::with_meta_extractor(io, move |_req: &hyper::Request<hyper::Body>| Meta {
-                        request_processor: request_processor_.clone(),
+                        request_processor: request_processor.clone(),
                         cluster_info: cluster_info.clone(),
                         genesis_hash
                     }).threads(4)
@@ -153,7 +154,7 @@ impl JsonRpcService {
         Self {
             thread_hdl,
             #[cfg(test)]
-            request_processor,
+            request_processor: test_request_processor,
             close_handle: Some(close_handle),
         }
     }
@@ -210,11 +211,11 @@ mod tests {
             bank_forks,
             block_commitment_cache,
             Arc::new(blocktree),
-            &cluster_info,
+            cluster_info,
             Hash::default(),
             &PathBuf::from("farf"),
             StorageState::default(),
-            &validator_exit,
+            validator_exit,
         );
         let thread = rpc_service.thread_hdl.thread();
         assert_eq!(thread.name().unwrap(), "solana-jsonrpc");
diff --git a/core/src/rpc_subscriptions.rs b/core/src/rpc_subscriptions.rs
index 2a1b28757c..5c913b1a05 100644
--- a/core/src/rpc_subscriptions.rs
+++ b/core/src/rpc_subscriptions.rs
@@ -375,7 +375,9 @@ mod tests {
         subscriptions.check_account(&alice.pubkey(), 0, &bank_forks);
         let string = transport_receiver.poll();
         if let Async::Ready(Some(response)) = string.unwrap() {
-            let expected = format!(r#"{{"jsonrpc":"2.0","method":"accountNotification","params":{{"result":{{"data":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"executable":false,"lamports":1,"owner":[2,203,81,223,225,24,34,35,203,214,138,130,144,208,35,77,63,16,87,51,47,198,115,123,98,188,19,160,0,0,0,0],"rent_epoch":1}},"subscription":0}}}}"#);
+            let expected = format!(
+                r#"{{"jsonrpc":"2.0","method":"accountNotification","params":{{"result":{{"data":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"executable":false,"lamports":1,"owner":[2,203,81,223,225,24,34,35,203,214,138,130,144,208,35,77,63,16,87,51,47,198,115,123,98,188,19,160,0,0,0,0],"rent_epoch":1}},"subscription":0}}}}"#
+            );
             assert_eq!(expected, response);
         }
 
@@ -430,7 +432,10 @@ mod tests {
         subscriptions.check_program(&solana_budget_program::id(), 0, &bank_forks);
         let string = transport_receiver.poll();
         if let Async::Ready(Some(response)) = string.unwrap() {
-            let expected = format!(r#"{{"jsonrpc":"2.0","method":"programNotification","params":{{"result":["{:?}",{{"data":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"executable":false,"lamports":1,"owner":[2,203,81,223,225,24,34,35,203,214,138,130,144,208,35,77,63,16,87,51,47,198,115,123,98,188,19,160,0,0,0,0],"rent_epoch":1}}],"subscription":0}}}}"#, alice.pubkey());
+            let expected = format!(
+                r#"{{"jsonrpc":"2.0","method":"programNotification","params":{{"result":["{:?}",{{"data":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"executable":false,"lamports":1,"owner":[2,203,81,223,225,24,34,35,203,214,138,130,144,208,35,77,63,16,87,51,47,198,115,123,98,188,19,160,0,0,0,0],"rent_epoch":1}}],"subscription":0}}}}"#,
+                alice.pubkey()
+            );
             assert_eq!(expected, response);
         }
 
@@ -481,7 +486,10 @@ mod tests {
             let expected_res: Option<transaction::Result<()>> = Some(Ok(()));
             let expected_res_str =
                 serde_json::to_string(&serde_json::to_value(expected_res).unwrap()).unwrap();
-            let expected = format!(r#"{{"jsonrpc":"2.0","method":"signatureNotification","params":{{"result":{},"subscription":0}}}}"#, expected_res_str);
+            let expected = format!(
+                r#"{{"jsonrpc":"2.0","method":"signatureNotification","params":{{"result":{},"subscription":0}}}}"#,
+                expected_res_str
+            );
             assert_eq!(expected, response);
         }
 
@@ -517,7 +525,10 @@ mod tests {
             };
             let expected_res_str =
                 serde_json::to_string(&serde_json::to_value(expected_res).unwrap()).unwrap();
-            let expected = format!(r#"{{"jsonrpc":"2.0","method":"slotNotification","params":{{"result":{},"subscription":0}}}}"#, expected_res_str);
+            let expected = format!(
+                r#"{{"jsonrpc":"2.0","method":"slotNotification","params":{{"result":{},"subscription":0}}}}"#,
+                expected_res_str
+            );
             assert_eq!(expected, response);
         }
 
diff --git a/core/src/shred_fetch_stage.rs b/core/src/shred_fetch_stage.rs
index 36603bcaab..3b43fbab38 100644
--- a/core/src/shred_fetch_stage.rs
+++ b/core/src/shred_fetch_stage.rs
@@ -51,7 +51,7 @@ impl ShredFetchStage {
                 )
             })
             .collect();
-        let sender = sender.clone();
+
         let modifier_hdl = Builder::new()
             .name("solana-tvu-fetch-stage-packet-modifier".to_string())
             .spawn(|| Self::modify_packets(packet_receiver, sender, modify))
diff --git a/core/src/tpu.rs b/core/src/tpu.rs
index d1ea411938..cfb29935fe 100644
--- a/core/src/tpu.rs
+++ b/core/src/tpu.rs
@@ -59,10 +59,10 @@ impl Tpu {
 
         let sigverify_stage = if !sigverify_disabled {
             let verifier = TransactionSigVerifier::default();
-            SigVerifyStage::new(packet_receiver, verified_sender.clone(), verifier)
+            SigVerifyStage::new(packet_receiver, verified_sender, verifier)
         } else {
             let verifier = DisabledSigVerifier::default();
-            SigVerifyStage::new(packet_receiver, verified_sender.clone(), verifier)
+            SigVerifyStage::new(packet_receiver, verified_sender, verifier)
         };
 
         let (verified_vote_sender, verified_vote_receiver) = unbounded();
diff --git a/core/src/tvu.rs b/core/src/tvu.rs
index d8f2275400..d4da19680b 100644
--- a/core/src/tvu.rs
+++ b/core/src/tvu.rs
@@ -119,13 +119,13 @@ impl Tvu {
         let sigverify_stage = if !sigverify_disabled {
             SigVerifyStage::new(
                 fetch_receiver,
-                verified_sender.clone(),
+                verified_sender,
                 ShredSigVerifier::new(bank_forks.clone(), leader_schedule_cache.clone()),
             )
         } else {
             SigVerifyStage::new(
                 fetch_receiver,
-                verified_sender.clone(),
+                verified_sender,
                 DisabledSigVerifier::default(),
             )
         };
diff --git a/core/src/validator.rs b/core/src/validator.rs
index abc5963230..333b424341 100644
--- a/core/src/validator.rs
+++ b/core/src/validator.rs
@@ -225,11 +225,11 @@ impl Validator {
                 bank_forks.clone(),
                 block_commitment_cache.clone(),
                 blocktree.clone(),
-                &cluster_info,
+                cluster_info.clone(),
                 genesis_hash,
                 ledger_path,
                 storage_state.clone(),
-                &validator_exit,
+                validator_exit.clone(),
             ))
         };
 
diff --git a/log-analyzer/src/main.rs b/log-analyzer/src/main.rs
index 93d45425bc..1eb123cfe2 100644
--- a/log-analyzer/src/main.rs
+++ b/log-analyzer/src/main.rs
@@ -53,6 +53,7 @@ impl LogLine {
 impl Sub for &LogLine {
     type Output = String;
 
+    #[allow(clippy::comparison_chain)]
     fn sub(self, rhs: Self) -> Self::Output {
         let a_to_b = Byte::from_str(&self.a_to_b)
             .expect("Failed to read a_to_b bytes")
@@ -94,7 +95,7 @@ fn map_ip_address(mappings: &[IPAddrMapping], target: String) -> String {
             return target.replace(&mapping.private, mapping.public.as_str());
         }
     }
-    target.to_string()
+    target
 }
 
 fn process_iftop_logs(matches: &ArgMatches) {
diff --git a/metrics/src/metrics.rs b/metrics/src/metrics.rs
index d68be3a3b4..c66f9da9ee 100644
--- a/metrics/src/metrics.rs
+++ b/metrics/src/metrics.rs
@@ -324,7 +324,7 @@ lazy_static! {
     static ref HOST_ID: Arc<RwLock<String>> = {
         Arc::new(RwLock::new({
             let hostname: String = hostname().unwrap_or_else(|_| "".to_string());
-            format!("{}", hash(hostname.as_bytes())).to_string()
+            format!("{}", hash(hostname.as_bytes()))
         }))
     };
 }
@@ -372,8 +372,7 @@ fn get_metrics_config() -> Result<MetricsConfig, String> {
     let mut config = MetricsConfig::default();
 
     let config_var = env::var("SOLANA_METRICS_CONFIG")
-        .map_err(|err| format!("SOLANA_METRICS_CONFIG: {}", err))?
-        .to_string();
+        .map_err(|err| format!("SOLANA_METRICS_CONFIG: {}", err))?;
 
     for pair in config_var.split(',') {
         let nv: Vec<_> = pair.split('=').collect();
@@ -397,7 +396,7 @@ fn get_metrics_config() -> Result<MetricsConfig, String> {
 }
 
 pub fn query(q: &str) -> Result<String, String> {
-    let config = get_metrics_config().map_err(|err| err.to_string())?;
+    let config = get_metrics_config().map_err(|err| err)?;
     let query_url = format!(
         "{}/query?u={}&p={}&q={}",
         &config.host, &config.username, &config.password, &q
diff --git a/programs/budget/src/budget_processor.rs b/programs/budget/src/budget_processor.rs
index 43af6e0375..c7acdffe7f 100644
--- a/programs/budget/src/budget_processor.rs
+++ b/programs/budget/src/budget_processor.rs
@@ -125,7 +125,7 @@ pub fn process_instruction(
     match instruction {
         BudgetInstruction::InitializeAccount(expr) => {
             let contract_keyed_account = next_keyed_account(keyed_accounts_iter)?;
-            let expr = expr.clone();
+
             if let Some(payment) = expr.final_payment() {
                 let to_keyed_account = contract_keyed_account;
                 let contract_keyed_account = next_keyed_account(keyed_accounts_iter)?;
diff --git a/programs/move_loader/Cargo.lock b/programs/move_loader/Cargo.lock
index d7e9fb1934..82d4346ec4 100644
--- a/programs/move_loader/Cargo.lock
+++ b/programs/move_loader/Cargo.lock
@@ -75,7 +75,7 @@ dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-demangle 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -102,12 +102,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "bincode"
-version = "1.2.0"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -327,8 +326,8 @@ dependencies = [
  "idna 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "publicsuffix 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "try_from 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -501,7 +500,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "strsim 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -519,7 +518,7 @@ dependencies = [
  "curve25519-dalek 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -686,7 +685,7 @@ name = "generic-array"
 version = "0.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "typenum 1.11.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -945,8 +944,8 @@ dependencies = [
  "petgraph 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex-syntax 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "string_cache 0.7.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "term 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1228,7 +1227,7 @@ dependencies = [
  "data-encoding 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multihash 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "percent-encoding 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "unsigned-varint 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1781,8 +1780,8 @@ dependencies = [
  "mime 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "mime_guess 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustls 0.16.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_urlencoded 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1899,10 +1898,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "serde"
-version = "1.0.103"
+version = "1.0.104"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde_derive 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1910,12 +1909,12 @@ name = "serde_bytes"
 version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.103"
+version = "1.0.104"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1925,12 +1924,12 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.42"
+version = "1.0.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "ryu 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1940,7 +1939,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "dtoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2071,7 +2070,7 @@ dependencies = [
  "rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex-syntax 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "reqwest 0.9.22 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)",
  "syn 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2091,15 +2090,15 @@ dependencies = [
 name = "solana-move-loader-program"
 version = "0.22.0"
 dependencies = [
- "bincode 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bincode 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "indexmap 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_bytes 0.11.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
  "solana-logger 0.22.0",
  "solana-sdk 0.22.0",
  "solana_libra_bytecode_verifier 0.0.1-sol4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2121,7 +2120,7 @@ name = "solana-sdk"
 version = "0.22.0"
 dependencies = [
  "assert_matches 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "bincode 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bincode 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "bs58 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "ed25519-dalek 1.0.0-pre.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2129,7 +2128,6 @@ dependencies = [
  "hex 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "hmac 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "itertools 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "memmap 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-derive 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2137,13 +2135,25 @@ dependencies = [
  "pbkdf2 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_bytes 0.11.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "solana-crate-features 0.22.0",
  "solana-logger 0.22.0",
+ "solana-sdk-macro 0.22.0",
+ "thiserror 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "solana-sdk-macro"
+version = "0.22.0"
+dependencies = [
+ "bs58 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2173,7 +2183,7 @@ name = "solana_libra_compiler"
 version = "0.0.1-sol4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
  "solana_libra_bytecode_verifier 0.0.1-sol4 (registry+https://github.com/rust-lang/crates.io-index)",
  "solana_libra_failure_ext 0.0.1-sol4 (registry+https://github.com/rust-lang/crates.io-index)",
  "solana_libra_ir_to_bytecode 0.0.1-sol4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2194,7 +2204,7 @@ dependencies = [
  "parity-multiaddr 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "prost 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "solana_libra_crypto 0.0.1-sol4 (registry+https://github.com/rust-lang/crates.io-index)",
  "solana_libra_failure_ext 0.0.1-sol4 (registry+https://github.com/rust-lang/crates.io-index)",
  "solana_libra_logger 0.0.1-sol4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2208,7 +2218,7 @@ name = "solana_libra_crypto"
 version = "0.0.1-sol4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bincode 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bincode 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "curve25519-dalek 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2221,7 +2231,7 @@ dependencies = [
  "proptest 0.9.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "proptest-derive 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha3 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "solana_libra_canonical_serialization 0.0.1-sol4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2326,8 +2336,8 @@ dependencies = [
  "itertools 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog-async 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog-envlogger 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2345,7 +2355,7 @@ dependencies = [
  "hyper 0.12.35 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "prometheus 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
  "solana_libra_failure_ext 0.0.1-sol4 (registry+https://github.com/rust-lang/crates.io-index)",
  "solana_libra_logger 0.0.1-sol4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2356,7 +2366,7 @@ version = "0.0.1-sol4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proptest 0.9.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2440,7 +2450,7 @@ dependencies = [
  "prost-build 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "radix_trie 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "solana_libra_canonical_serialization 0.0.1-sol4 (registry+https://github.com/rust-lang/crates.io-index)",
  "solana_libra_crypto 0.0.1-sol4 (registry+https://github.com/rust-lang/crates.io-index)",
  "solana_libra_failure_ext 0.0.1-sol4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2460,7 +2470,7 @@ dependencies = [
  "mirai-annotations 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "proptest 0.9.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "proptest-derive 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "solana_libra_canonical_serialization 0.0.1-sol4 (registry+https://github.com/rust-lang/crates.io-index)",
  "solana_libra_crypto 0.0.1-sol4 (registry+https://github.com/rust-lang/crates.io-index)",
  "solana_libra_failure_ext 0.0.1-sol4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2571,7 +2581,7 @@ dependencies = [
  "new_debug_unreachable 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "phf_shared 0.7.24 (registry+https://github.com/rust-lang/crates.io-index)",
  "precomputed-hash 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "string_cache_codegen 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "string_cache_shared 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2718,6 +2728,24 @@ dependencies = [
  "unicode-width 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "thiserror"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "thiserror-impl 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "thiserror-impl"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "thread-id"
 version = "3.3.0"
@@ -2751,7 +2779,7 @@ dependencies = [
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand04_compat 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "tiny-keccak 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2970,7 +2998,7 @@ name = "toml"
 version = "0.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3319,7 +3347,7 @@ dependencies = [
 "checksum backtrace-sys 0.1.32 (registry+https://github.com/rust-lang/crates.io-index)" = "5d6575f128516de27e3ce99689419835fce9643a9b215a14d2b5b685be018491"
 "checksum base64 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0b25d992356d2eb0ed82172f5248873db5560c4721f564b13cb5193bda5e668e"
 "checksum bech32 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "58946044516aa9dc922182e0d6e9d124a31aafe6b421614654eb27cf90cec09c"
-"checksum bincode 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b8ab639324e3ee8774d296864fbc0dbbb256cf1a41c490b94cba90c082915f92"
+"checksum bincode 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5753e2a71534719bf3f4e57006c3a4f0d2c672a4b676eec84161f763eca87dbf"
 "checksum bit-set 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e84c238982c4b1e1ee668d136c510c67a13465279c0cb367ea6baf6310620a80"
 "checksum bit-vec 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f59bbe95d4e52a6398ec21238d31577f2b28a9d86807f06ca59d191d8440d0bb"
 "checksum bit-vec 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a4523a10839ffae575fb08aa3423026c8cb4687eef43952afb956229d4f246f7"
@@ -3521,10 +3549,10 @@ dependencies = [
 "checksum sct 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e3042af939fca8c3453b7af0f1c66e533a15a86169e39de2657310ade8f98d3c"
 "checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
 "checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
-"checksum serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)" = "1217f97ab8e8904b57dd22eb61cde455fa7446a9c1cf43966066da047c1f3702"
+"checksum serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)" = "414115f25f818d7dfccec8ee535d76949ae78584fc4f79a6f45a904bf8ab4449"
 "checksum serde_bytes 0.11.2 (registry+https://github.com/rust-lang/crates.io-index)" = "45af0182ff64abaeea290235eb67da3825a576c5d53e642c4d5b652e12e6effc"
-"checksum serde_derive 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)" = "a8c6faef9a2e64b0064f48570289b4bf8823b7581f1d6157c1b52152306651d0"
-"checksum serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)" = "1a3351dcbc1f067e2c92ab7c3c1f288ad1a4cffc470b5aaddb4c2e0a3ae80043"
+"checksum serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)" = "128f9e303a5a29922045a830221b8f78ec74a5f544944f3d5984f8ec3895ef64"
+"checksum serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)" = "48c575e0cc52bdd09b47f330f646cf59afc586e9c4e3ccd6fc1f625b8ea1dad7"
 "checksum serde_urlencoded 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)" = "642dd69105886af2efd227f75a520ec9b44a820d65bc133a9131f7d229fd165a"
 "checksum sha-1 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "23962131a91661d643c98940b20fcaffe62d776a823247be80a48fcb8b6fce68"
 "checksum sha2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7b4d8bfd0e469f417657573d8451fb33d16cfe0989359b93baf3a1ffc639543d"
@@ -3586,6 +3614,8 @@ dependencies = [
 "checksum term 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c0863a3345e70f61d613eab32ee046ccd1bcc5f9105fe402c61fcd0c13eeb8b5"
 "checksum termcolor 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "96d6098003bde162e4277c70665bd87c326f5a0c3f3fbfb285787fa482d54e6e"
 "checksum textwrap 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
+"checksum thiserror 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "cc6b305ec0e323c7b6cfff6098a22516e0063d0bb7c3d88660a890217dca099a"
+"checksum thiserror-impl 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "45ba8d810d9c48fc456b7ad54574e8bfb7c7918a57ad7a6e6a0985d7959e8597"
 "checksum thread-id 3.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c7fbf4c9d56b320106cd64fd024dadfa0be7cb4706725fc44a7d7ce952d820c1"
 "checksum thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c6b53e329000edc2b34dbe8545fd20e55a333362d0a321909685a19bd28c3f1b"
 "checksum threshold_crypto 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "95be1032c63011f20b01c5edb64930e2b51512782b43b458b1e3449613d70f87"
diff --git a/programs/move_loader/src/account_state.rs b/programs/move_loader/src/account_state.rs
index 68f2edd8c9..60a27549c7 100644
--- a/programs/move_loader/src/account_state.rs
+++ b/programs/move_loader/src/account_state.rs
@@ -123,7 +123,7 @@ impl LibraAccountState {
         Self::User(*owner, write_set)
     }
 
-    pub fn create_genesis(mint_balance: u64) -> Result<(Self), InstructionError> {
+    pub fn create_genesis(mint_balance: u64) -> Result<Self, InstructionError> {
         let modules = stdlib_modules();
         let arena = Arena::new();
         let state_view = DataStore::default();
diff --git a/programs/stake/src/stake_state.rs b/programs/stake/src/stake_state.rs
index 5a05fa4270..5638470cec 100644
--- a/programs/stake/src/stake_state.rs
+++ b/programs/stake/src/stake_state.rs
@@ -167,6 +167,7 @@ impl Delegation {
         self.stake_activating_and_deactivating(epoch, history).0
     }
 
+    #[allow(clippy::comparison_chain)]
     fn stake_activating_and_deactivating(
         &self,
         epoch: Epoch,
diff --git a/scripts/src/csv_to_validator_infos.rs b/scripts/src/csv_to_validator_infos.rs
index b6f1b47263..de7a62c86e 100644
--- a/scripts/src/csv_to_validator_infos.rs
+++ b/scripts/src/csv_to_validator_infos.rs
@@ -23,7 +23,7 @@ fn parse_csv() -> Result<(), Box<dyn Error>> {
     for result in rdr.deserialize() {
         let record: ValidatorRecord = result?;
         println!(
-        r#"ValidatorInfo {{name: "{adjective} {noun}", node: "{identity_pubkey}", node_sol: {tokens:.1}, vote: "{vote_pubkey}", commission: 0}},"#,
+            r#"ValidatorInfo {{name: "{adjective} {noun}", node: "{identity_pubkey}", node_sol: {tokens:.1}, vote: "{vote_pubkey}", commission: 0}},"#,
             tokens = &record.tokens,
             adjective = &record.adjective,
             noun = &record.noun,
diff --git a/sdk-c/src/lib.rs b/sdk-c/src/lib.rs
index e96c9749d7..22ab2745e3 100644
--- a/sdk-c/src/lib.rs
+++ b/sdk-c/src/lib.rs
@@ -96,7 +96,7 @@ impl Message {
             ),
         }
     }
-
+    #[allow(clippy::missing_safety_doc)]
     pub unsafe fn into_native(self) -> MessageNative {
         MessageNative {
             header: self.header.into_native(),
@@ -109,7 +109,7 @@ impl Message {
         }
     }
 
-    #[allow(clippy::should_implement_trait)]
+    #[allow(clippy::should_implement_trait, clippy::missing_safety_doc)]
     pub unsafe fn clone(&self) -> Self {
         Self {
             header: self.header.clone(),
@@ -143,6 +143,7 @@ impl CompiledInstruction {
         }
     }
 
+    #[allow(clippy::missing_safety_doc)]
     pub unsafe fn into_native(self) -> CompiledInstructionNative {
         CompiledInstructionNative {
             program_id_index: self.program_id_index,
@@ -151,7 +152,7 @@ impl CompiledInstruction {
         }
     }
 
-    #[allow(clippy::should_implement_trait)]
+    #[allow(clippy::should_implement_trait, clippy::missing_safety_doc)]
     pub unsafe fn clone(&self) -> Self {
         Self {
             program_id_index: self.program_id_index,
@@ -256,13 +257,14 @@ impl<T> CVec<T> {
         out
     }
 
+    #[allow(clippy::missing_safety_doc)]
     pub unsafe fn into_native(self) -> Vec<T> {
         Vec::from_raw_parts(self.data, self.len, self.capacity)
     }
 }
 
 impl<T: Clone> CVec<T> {
-    #[allow(clippy::should_implement_trait)]
+    #[allow(clippy::should_implement_trait, clippy::missing_safety_doc)]
     pub unsafe fn clone(&self) -> Self {
         let native = Vec::from_raw_parts(self.data, self.len, self.capacity);
         let mut new: Vec<T> = Vec::with_capacity(native.capacity());
@@ -273,7 +275,7 @@ impl<T: Clone> CVec<T> {
 }
 
 impl CVec<CompiledInstruction> {
-    #[allow(clippy::should_implement_trait)]
+    #[allow(clippy::should_implement_trait, clippy::missing_safety_doc)]
     pub unsafe fn clone(&self) -> Self {
         let native = Vec::from_raw_parts(self.data, self.len, self.capacity);
         let mut new: Vec<CompiledInstruction> = Vec::with_capacity(native.capacity());
diff --git a/sdk/src/pubkey.rs b/sdk/src/pubkey.rs
index f501fd067e..15281dc3c7 100644
--- a/sdk/src/pubkey.rs
+++ b/sdk/src/pubkey.rs
@@ -96,7 +96,7 @@ pub fn write_pubkey_file(outfile: &str, pubkey: Pubkey) -> Result<(), Box<dyn er
         std::fs::create_dir_all(outdir)?;
     }
     let mut f = std::fs::File::create(outfile)?;
-    f.write_all(&serialized.clone().into_bytes())?;
+    f.write_all(&serialized.into_bytes())?;
 
     Ok(())
 }
diff --git a/watchtower/src/main.rs b/watchtower/src/main.rs
index 02556bddb9..8e4bbb9791 100644
--- a/watchtower/src/main.rs
+++ b/watchtower/src/main.rs
@@ -51,7 +51,7 @@ fn main() -> Result<(), Box<dyn error::Error>> {
     solana_logger::setup_with_filter("solana=info");
     solana_metrics::set_panic_hook("watchtower");
 
-    let rpc_client = RpcClient::new(json_rpc_url.to_string());
+    let rpc_client = RpcClient::new(json_rpc_url);
 
     let notifier = Notifier::new();
     let mut last_transaction_count = 0;