error[E0005]: refutable pattern in `for` loop binding: `&-2147483648i32..=0i32` not covered --> $DIR/for-loop-refutable-pattern-error-message.rs:2:9 | LL | for &1 in [1].iter() {} | ^^ pattern `&-2147483648i32..=0i32` not covered error: aborting due to previous error For more information about this error, try `rustc --explain E0005`.