Run rustfmt

src/main.rs

@@ -3,9 +3,9 @@
 #![no_std] // don't link the Rust standard library
 #![no_main] // disable all Rust-level entry points
 
-extern crate volatile;
 extern crate rlibc;
 extern crate spin;
+extern crate volatile;
 #[macro_use]
 extern crate lazy_static;
 
@@ -24,9 +24,11 @@ pub extern "C" fn _start() -> ! {
 /// This function is called on panic.
 #[lang = "panic_fmt"]
 #[no_mangle]
-pub extern "C" fn rust_begin_panic(_msg: core::fmt::Arguments,
-                               _file: &'static str,
-                               _line: u32,
-                               _column: u32) -> ! {
+pub extern "C" fn rust_begin_panic(
+    _msg: core::fmt::Arguments,
+    _file: &'static str,
+    _line: u32,
+    _column: u32,
+) -> ! {
     loop {}
 }