error: use of `expect` followed by a function call --> $DIR/expect_fun_call.rs:36:26 | LL | with_none_and_format.expect(&format!("Error {}: fake error", error_code)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| panic!("Error {}: fake error", error_code))` | = note: `-D clippy::expect-fun-call` implied by `-D warnings` error: use of `expect` followed by a function call --> $DIR/expect_fun_call.rs:39:26 | LL | with_none_and_as_str.expect(format!("Error {}: fake error", error_code).as_str()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| panic!("Error {}: fake error", error_code))` error: use of `expect` followed by a function call --> $DIR/expect_fun_call.rs:49:25 | LL | with_err_and_format.expect(&format!("Error {}: fake error", error_code)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Error {}: fake error", error_code))` error: use of `expect` followed by a function call --> $DIR/expect_fun_call.rs:52:25 | LL | with_err_and_as_str.expect(format!("Error {}: fake error", error_code).as_str()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|_| panic!("Error {}: fake error", error_code))` error: use of `expect` followed by a function call --> $DIR/expect_fun_call.rs:67:17 | LL | Some("foo").expect({ &format!("error") }); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| { let msg = { &format!("error") }; panic!(msg) }))` error: use of `expect` followed by a function call --> $DIR/expect_fun_call.rs:68:17 | LL | Some("foo").expect(format!("error").as_ref()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `unwrap_or_else(|| panic!("error"))` error: aborting due to 6 previous errors