Fixing clippy warnings

miner/src/miner.rs

@@ -420,7 +420,7 @@ impl MinerService for Miner {
 
 	fn transaction(&self, hash: &H256) -> Option<SignedTransaction> {
 		match (self.sealing_enabled.load(atomic::Ordering::Relaxed), self.sealing_work.lock().unwrap().peek_last_ref()) {
-			(true, Some(pending)) => pending.transactions().iter().find(|t| &t.hash() == hash).map(|t| t.clone()),
+			(true, Some(pending)) => pending.transactions().iter().find(|t| &t.hash() == hash).cloned(),
 			_ => {
 				let queue = self.transaction_queue.lock().unwrap();
 				queue.find(hash)

parity/informant.rs

@@ -75,6 +75,7 @@ impl Informant {
 		}
 	}
 
+	#[cfg_attr(feature="dev", allow(match_bool))]
 	pub fn tick(&self, client: &Client, maybe_sync: Option<&EthSync>) {
 		let elapsed = self.last_tick.read().unwrap().elapsed();
 		if elapsed < Duration::from_secs(5) {

util/src/migration/db_impl.rs

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU General Public License
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
-//! kvdb::Database as migration::Destination
+//! `kvdb::Database` as `migration::Destination`
 
 use std::collections::BTreeMap;
 use kvdb::{Database, DBTransaction};