Reformat imports to a consistent style for imports

rustfmt.toml configuration:
  imports_granularity = "One"
  group_imports = "One"

runtime/benches/accounts.rs

@@ -3,30 +3,32 @@
 
 extern crate test;
 
-use dashmap::DashMap;
-use rand::Rng;
-use rayon::iter::{IntoParallelRefIterator, ParallelIterator};
-use solana_runtime::{
-    accounts::{create_test_accounts, AccountAddressFilter, Accounts},
-    accounts_db::AccountShrinkThreshold,
-    accounts_index::{AccountSecondaryIndexes, ScanConfig},
-    ancestors::Ancestors,
-    bank::*,
+use {
+    dashmap::DashMap,
+    rand::Rng,
+    rayon::iter::{IntoParallelRefIterator, ParallelIterator},
+    solana_runtime::{
+        accounts::{create_test_accounts, AccountAddressFilter, Accounts},
+        accounts_db::AccountShrinkThreshold,
+        accounts_index::{AccountSecondaryIndexes, ScanConfig},
+        ancestors::Ancestors,
+        bank::*,
+    },
+    solana_sdk::{
+        account::{AccountSharedData, ReadableAccount},
+        genesis_config::{create_genesis_config, ClusterType},
+        hash::Hash,
+        lamports::LamportsError,
+        pubkey::Pubkey,
+    },
+    std::{
+        collections::{HashMap, HashSet},
+        path::PathBuf,
+        sync::{Arc, RwLock},
+        thread::Builder,
+    },
+    test::Bencher,
 };
-use solana_sdk::{
-    account::{AccountSharedData, ReadableAccount},
-    genesis_config::{create_genesis_config, ClusterType},
-    hash::Hash,
-    lamports::LamportsError,
-    pubkey::Pubkey,
-};
-use std::{
-    collections::{HashMap, HashSet},
-    path::PathBuf,
-    sync::{Arc, RwLock},
-    thread::Builder,
-};
-use test::Bencher;
 
 fn deposit_many(bank: &Bank, pubkeys: &mut Vec<Pubkey>, num: usize) -> Result<(), LamportsError> {
     for t in 0..num {

runtime/benches/accounts_index.rs

@@ -2,15 +2,17 @@
 
 extern crate test;
 
-use rand::{thread_rng, Rng};
-use solana_runtime::{
-    accounts_db::AccountInfo,
-    accounts_index::{
-        AccountSecondaryIndexes, AccountsIndex, ACCOUNTS_INDEX_CONFIG_FOR_BENCHMARKS,
+use {
+    rand::{thread_rng, Rng},
+    solana_runtime::{
+        accounts_db::AccountInfo,
+        accounts_index::{
+            AccountSecondaryIndexes, AccountsIndex, ACCOUNTS_INDEX_CONFIG_FOR_BENCHMARKS,
+        },
     },
+    solana_sdk::pubkey::{self, Pubkey},
+    test::Bencher,
 };
-use solana_sdk::pubkey::{self, Pubkey};
-use test::Bencher;
 
 #[bench]
 fn bench_accounts_index(bencher: &mut Bencher) {

runtime/benches/append_vec.rs

@@ -1,19 +1,20 @@
 #![feature(test)]
 extern crate test;
 
-use rand::{thread_rng, Rng};
-use solana_runtime::append_vec::{
-    test_utils::{create_test_account, get_append_vec_path},
-    AppendVec,
+use {
+    rand::{thread_rng, Rng},
+    solana_runtime::append_vec::{
+        test_utils::{create_test_account, get_append_vec_path},
+        AppendVec,
+    },
+    solana_sdk::{account::ReadableAccount, hash::Hash},
+    std::{
+        sync::{Arc, Mutex},
+        thread::{sleep, spawn},
+        time::Duration,
+    },
+    test::Bencher,
 };
-use solana_sdk::{account::ReadableAccount, hash::Hash};
-use std::{
-    sync::{Arc, Mutex},
-    thread::sleep,
-    thread::spawn,
-    time::Duration,
-};
-use test::Bencher;
 
 #[bench]
 fn append_vec_append(bencher: &mut Bencher) {

runtime/benches/bank.rs

@@ -3,22 +3,23 @@
 
 extern crate test;
 
-use log::*;
-use solana_program_runtime::invoke_context::InvokeContext;
-use solana_runtime::{bank::*, bank_client::BankClient, loader_utils::create_invoke_instruction};
-use solana_sdk::{
-    client::AsyncClient,
-    client::SyncClient,
-    clock::MAX_RECENT_BLOCKHASHES,
-    genesis_config::create_genesis_config,
-    instruction::InstructionError,
-    message::Message,
-    pubkey::Pubkey,
-    signature::{Keypair, Signer},
-    transaction::Transaction,
+use {
+    log::*,
+    solana_program_runtime::invoke_context::InvokeContext,
+    solana_runtime::{bank::*, bank_client::BankClient, loader_utils::create_invoke_instruction},
+    solana_sdk::{
+        client::{AsyncClient, SyncClient},
+        clock::MAX_RECENT_BLOCKHASHES,
+        genesis_config::create_genesis_config,
+        instruction::InstructionError,
+        message::Message,
+        pubkey::Pubkey,
+        signature::{Keypair, Signer},
+        transaction::Transaction,
+    },
+    std::{sync::Arc, thread::sleep, time::Duration},
+    test::Bencher,
 };
-use std::{sync::Arc, thread::sleep, time::Duration};
-use test::Bencher;
 
 const BUILTIN_PROGRAM_ID: [u8; 32] = [
     98, 117, 105, 108, 116, 105, 110, 95, 112, 114, 111, 103, 114, 97, 109, 95, 105, 100, 0, 0, 0,

runtime/benches/bloom.rs

@@ -1,17 +1,18 @@
 #![feature(test)]
 
 extern crate test;
-use bv::BitVec;
-use fnv::FnvHasher;
-use rand::Rng;
-use solana_runtime::bloom::{AtomicBloom, Bloom, BloomHashIndex};
-use solana_sdk::{
-    hash::{hash, Hash},
-    signature::Signature,
+use {
+    bv::BitVec,
+    fnv::FnvHasher,
+    rand::Rng,
+    solana_runtime::bloom::{AtomicBloom, Bloom, BloomHashIndex},
+    solana_sdk::{
+        hash::{hash, Hash},
+        signature::Signature,
+    },
+    std::{collections::HashSet, hash::Hasher},
+    test::Bencher,
 };
-use std::collections::HashSet;
-use std::hash::Hasher;
-use test::Bencher;
 
 #[bench]
 #[ignore]

runtime/benches/status_cache.rs

@@ -2,13 +2,15 @@
 
 extern crate test;
 
-use bincode::serialize;
-use solana_runtime::status_cache::*;
-use solana_sdk::{
-    hash::{hash, Hash},
-    signature::Signature,
+use {
+    bincode::serialize,
+    solana_runtime::status_cache::*,
+    solana_sdk::{
+        hash::{hash, Hash},
+        signature::Signature,
+    },
+    test::Bencher,
 };
-use test::Bencher;
 
 type BankStatusCache = StatusCache<()>;