LL | Some(true).expect(&format!("key {}, {}", 1, 2));
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| panic!("key {}, {}", 1, 2))`
-error: aborting due to 11 previous errors
+error: use of `expect` followed by a function call
+ --> $DIR/expect_fun_call.rs:92:17
+ |
+LL | opt_ref.expect(&format!("{:?}", opt_ref));
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| panic!("{:?}", opt_ref))`
+
+error: aborting due to 12 previous errors