Upgrade to rustfmt 0.7.1

cranelift/src/filetest/concurrent.rs

@@ -96,10 +96,8 @@ impl ConcurrentRunner {
 fn heartbeat_thread(replies: Sender<Reply>) -> thread::JoinHandle<()> {
     thread::Builder::new()
         .name("heartbeat".to_string())
-        .spawn(move || {
-            while replies.send(Reply::Tick).is_ok() {
-                thread::sleep(Duration::from_secs(1));
-            }
+        .spawn(move || while replies.send(Reply::Tick).is_ok() {
+            thread::sleep(Duration::from_secs(1));
         })
         .unwrap()
 }

cranelift/test-all.sh

@@ -30,7 +30,7 @@ function banner() {
 # rustfmt is installed.
 #
 # This version should always be bumped to the newest version available.
-RUSTFMT_VERSION="0.6.3"
+RUSTFMT_VERSION="0.7.1"
 
 if cargo install --list | grep -q "^rustfmt v$RUSTFMT_VERSION"; then
     banner "Rust formatting"