Remove some glob imports

Signed-off-by: Nick Cameron <nrc@ncameron.org>

Author: nrc

src/lib.rs

@@ -82,6 +82,13 @@ pub mod raw;
 mod rpc;
 pub mod transaction;
 
+#[macro_use]
+extern crate lazy_static;
+#[macro_use]
+extern crate log;
+#[macro_use]
+extern crate prometheus;
+
 #[doc(inline)]
 pub use crate::config::Config;
 #[doc(inline)]

src/rpc/client.rs

@@ -14,7 +14,6 @@ use derive_new::new;
 use futures::prelude::*;
 use grpcio::{EnvBuilder, Environment};
 use kvproto::kvrpcpb;
-use log::*;
 
 use crate::{
     compat::{loop_fn, Loop},

src/rpc/pd/context.rs

@@ -1,7 +1,6 @@
 // Copyright 2018 TiKV Project Authors. Licensed under Apache-2.0.
 
-use lazy_static::*;
-use prometheus::*;
+use prometheus::{Histogram, HistogramVec, IntCounterVec};
 
 use crate::rpc::context::RequestContext;
 

src/rpc/pd/leader.rs

@@ -15,7 +15,6 @@ use futures::compat::{Compat01As03, Compat01As03Sink};
 use futures::prelude::*;
 use grpcio::{CallOption, Environment, WriteFlags};
 use kvproto::pdpb;
-use log::*;
 use tokio_core::reactor::{Core, Handle as TokioHandle};
 
 use crate::{

src/rpc/pd/request.rs

@@ -8,7 +8,6 @@ use std::{
 
 use futures::compat::Compat01As03;
 use futures::prelude::*;
-use log::*;
 use tokio_timer::timer::Handle;
 
 use crate::{

src/rpc/security.rs

@@ -9,8 +9,6 @@ use std::{
 };
 
 use grpcio::{Channel, ChannelBuilder, ChannelCredentialsBuilder, Environment};
-use lazy_static::*;
-use log::*;
 use regex::Regex;
 
 use crate::Result;

src/rpc/tikv/context.rs

@@ -1,7 +1,6 @@
 // Copyright 2018 TiKV Project Authors. Licensed under Apache-2.0.
 
-use lazy_static::*;
-use prometheus::*;
+use prometheus::{HistogramVec, IntCounterVec};
 
 pub use crate::rpc::context::RequestContext;
 

src/rpc/util.rs

@@ -1,8 +1,6 @@
 // Copyright 2018 TiKV Project Authors. Licensed under Apache-2.0.
 
 use std::{sync::mpsc, thread, time::Duration};
-
-use lazy_static::*;
 use tokio_timer::{self, timer::Handle};
 
 macro_rules! internal_err {