run cargo fmt.

Toshio Ito · Toshio Ito · commit 4e2825972ba6 · 2021-04-20T16:10:59.000+09:00
diff --git a/src/mpmc.rs b/src/mpmc.rs
@@ -586,5 +586,4 @@ mod tests {
         // this should not block forever
         assert!(q.enqueue(0).is_err());
     }
-
 }

Original file line number	Diff line number	Diff line change
`@@ -586,5 +586,4 @@ mod tests {`
`586`	`586`	`// this should not block forever`
`587`	`587`	`assert!(q.enqueue(0).is_err());`
`588`	`588`	`}`
`589`		`-`
`590`	`589`	`}`