Disallow unnecessary import braces

src/lib.rs

@@ -12,6 +12,7 @@
 #![recursion_limit = "500"]
 #![deny(unused_qualifications)]
 #![deny(unstable_features)]
+#![deny(unused_import_braces)]
 
 #[macro_use]
 extern crate bitflags;

src/sys/socket/addr.rs

@@ -951,7 +951,7 @@ impl fmt::Display for SockAddr {
 
 #[cfg(any(target_os = "android", target_os = "linux"))]
 pub mod netlink {
-    use ::sys::socket::addr::{AddressFamily};
+    use ::sys::socket::addr::AddressFamily;
     use libc::{sa_family_t, sockaddr_nl};
     use std::{fmt, mem};
     use std::hash::{Hash, Hasher};
@@ -1012,7 +1012,7 @@ pub mod netlink {
 
 #[cfg(any(target_os = "ios", target_os = "macos"))]
 pub mod sys_control {
-    use ::sys::socket::addr::{AddressFamily};
+    use ::sys::socket::addr::AddressFamily;
     use libc::{self, c_uchar, uint16_t, uint32_t};
     use std::{fmt, mem};
     use std::hash::{Hash, Hasher};

src/unistd.rs

@@ -10,7 +10,7 @@ use std::{fmt, mem, ptr};
 use std::ffi::{CString, CStr, OsString, OsStr};
 use std::os::unix::ffi::{OsStringExt, OsStrExt};
 use std::os::unix::io::RawFd;
-use std::path::{PathBuf};
+use std::path::PathBuf;
 use void::Void;
 use sys::stat::Mode;