Update formatting following Rust 1.27 update

examples/bench_index.rs

@@ -1,14 +1,10 @@
 extern crate electrs;
 extern crate error_chain;
 
-use electrs::{config::Config,
+use electrs::{
-              daemon::Daemon,
+    config::Config, daemon::Daemon, errors::*, index, metrics::Metrics, parse::Parser,
-              errors::*,
+    signal::Waiter, store::{ReadStore, Row, WriteStore}, util::Bytes,
-              index::Index,
+};
-              metrics::Metrics,
-              signal::Waiter,
-              store::{ReadStore, Row, WriteStore},
-              util::Bytes};
 use error_chain::ChainedError;
 
 struct FakeStore;

src/bin/electrs.rs

@@ -4,16 +4,10 @@ extern crate error_chain;
 use error_chain::ChainedError;
 use std::time::Duration;
 
-use electrs::{app::App,
+use electrs::{
-              config::Config,
+    app::App, config::Config, daemon::Daemon, errors::*, index::Index, metrics::Metrics,
-              daemon::Daemon,
+    query::Query, rpc::RPC, signal::Waiter, store::{DBStore, StoreOptions},
-              errors::*,
+};
-              index::Index,
-              metrics::Metrics,
-              query::Query,
-              rpc::RPC,
-              signal::Waiter,
-              store::{DBStore, StoreOptions}};
 
 fn run_server(config: &Config) -> Result<()> {
     let signal = Waiter::new();

src/index.rs

@@ -14,8 +14,10 @@ use daemon::Daemon;
 use metrics::{Counter, Gauge, HistogramOpts, HistogramTimer, HistogramVec, MetricOpts, Metrics};
 use signal::Waiter;
 use store::{ReadStore, Row, WriteStore};
-use util::{full_hash, hash_prefix, spawn_thread, Bytes, FullHash, HashPrefix, HeaderEntry,
+use util::{
-           HeaderList, HeaderMap, SyncChannel, HASH_PREFIX_LEN};
+    full_hash, hash_prefix, spawn_thread, Bytes, FullHash, HashPrefix, HeaderEntry, HeaderList,
+    HeaderMap, SyncChannel, HASH_PREFIX_LEN,
+};
 
 use errors::*;
 

src/metrics.rs

@@ -3,8 +3,10 @@ use std::io;
 use std::net::SocketAddr;
 use tiny_http;
 
-pub use prometheus::{GaugeVec, HistogramOpts, HistogramTimer, HistogramVec, IntCounter as Counter,
+pub use prometheus::{
-                     IntGauge as Gauge, Opts as MetricOpts};
+    GaugeVec, HistogramOpts, HistogramTimer, HistogramVec, IntCounter as Counter,
+    IntGauge as Gauge, Opts as MetricOpts,
+};
 
 use util::spawn_thread;