Fixing warnings

ethcore/src/miner/miner.rs

@@ -20,7 +20,7 @@ use std::sync::atomic::AtomicBool;
 use util::*;
 use util::keys::store::{AccountProvider};
 use views::{BlockView, HeaderView};
-use client::{MiningBlockChainClient, Executive, Executed, EnvInfo, TransactOptions, BlockChainClient, BlockID, CallAnalytics};
+use client::{MiningBlockChainClient, Executive, Executed, EnvInfo, TransactOptions, BlockID, CallAnalytics};
 use block::{ClosedBlock, IsBlock};
 use error::*;
 use transaction::SignedTransaction;
@@ -282,7 +282,7 @@ impl MinerService for Miner {
 				}
 				let options = TransactOptions { tracing: false, vm_tracing: analytics.vm_tracing, check_nonce: false };
 				let mut ret = Executive::new(&mut state, &env_info, self.engine(), chain.vm_factory()).transact(t, options);
-				
+
 				// TODO gav move this into Executive.
 				if analytics.state_diffing {
 					if let Ok(ref mut x) = ret {

ethcore/src/state.rs

@@ -287,7 +287,7 @@ impl State {
 	fn query_pod(&mut self, query: &PodState) {
 		for (ref address, ref pod_account) in query.get() {
 			if self.get(address, true).is_some() {
-				for (ref key, _) in &pod_account.storage {
+				for key in pod_account.storage.keys() {
 					self.storage_at(address, key);
 				}
 			}