Fix unused_must_use inside Box

varkor · web-flow · commit 5d4aae8c05c6 · 2019-06-30T15:31:14.000+01:00
After #62228, this will be linted against (and causes the test to fail).
diff --git a/tests/run-pass/issue-30530.rs b/tests/run-pass/issue-30530.rs
@@ -21,7 +21,9 @@ pub enum Handler {
 }
 
 fn main() {
-    take(Handler::Default, Box::new(main));
+    #[allow(unused_must_use)] {
+        take(Handler::Default, Box::new(main));
+    }
 }
 
 #[inline(never)]

Original file line number	Diff line number	Diff line change
`@@ -21,7 +21,9 @@ pub enum Handler {`
`21`	`21`	`}`
`22`	`22`
`23`	`23`	`fn main() {`
`24`		`- take(Handler::Default, Box::new(main));`
	`24`	`+ #[allow(unused_must_use)] {`
	`25`	`+ take(Handler::Default, Box::new(main));`
	`26`	`+ }`
`25`	`27`	`}`
`26`	`28`
`27`	`29`	`#[inline(never)]`