Check format to all rs files under src (#1188)

fixed-format of all missing files.
Fixes seanmonstar/reqwest#1186

src/dns.rs

@@ -1,9 +1,9 @@
 use std::future::Future;
+use std::io;
+use std::net::SocketAddr;
 use std::pin::Pin;
 use std::sync::Arc;
 use std::task::{self, Poll};
-use std::io;
-use std::net::SocketAddr;
 
 use hyper::client::connect::dns as hyper_dns;
 use hyper::service::Service;
@@ -11,7 +11,7 @@ use tokio::sync::Mutex;
 use trust_dns_resolver::{
     config::{ResolverConfig, ResolverOpts},
     lookup_ip::LookupIpIntoIter,
-    system_conf, AsyncResolver, TokioConnection, TokioConnectionProvider, TokioHandle
+    system_conf, AsyncResolver, TokioConnection, TokioConnectionProvider, TokioHandle,
 };
 
 use crate::error::BoxError;
@@ -19,7 +19,8 @@ use crate::error::BoxError;
 type SharedResolver = Arc<AsyncResolver<TokioConnection, TokioConnectionProvider>>;
 
 lazy_static! {
-    static ref SYSTEM_CONF: io::Result<(ResolverConfig, ResolverOpts)> = system_conf::read_system_conf().map_err(io::Error::from);
+    static ref SYSTEM_CONF: io::Result<(ResolverConfig, ResolverOpts)> =
+        system_conf::read_system_conf().map_err(io::Error::from);
 }
 
 #[derive(Clone)]
@@ -70,7 +71,7 @@ impl Service<hyper_dns::Name> for TrustDnsResolver {
                     let resolver = new_resolver().await?;
                     *lock = State::Ready(resolver.clone());
                     resolver
-                },
+                }
                 State::Ready(resolver) => resolver.clone(),
             };
 
@@ -79,7 +80,9 @@ impl Service<hyper_dns::Name> for TrustDnsResolver {
             drop(lock);
 
             let lookup = resolver.lookup_ip(name.as_str()).await?;
-            Ok(SocketAddrs { iter: lookup.into_iter() })
+            Ok(SocketAddrs {
+                iter: lookup.into_iter(),
+            })
         })
     }
 }