error: return type should be `!` --> $DIR/alloc-error-handler-bad-signature-2.rs:22:3 | LL | ) { //~ ERROR return type should be `!` | ^ error: argument should be `Layout` --> $DIR/alloc-error-handler-bad-signature-2.rs:21:11 | LL | info: Layout, //~ ERROR argument should be `Layout` | ^^^^^^ error: aborting due to 2 previous errors