error[E0703]: invalid ABI: found `路濫狼á́́` --> $DIR/unicode.rs:5:8 | LL | extern "路濫狼á́́" fn foo() {} | ^^^^^^^^^ invalid ABI | = note: invoke `rustc --print=calling-conventions` for a full list of supported calling conventions. error: aborting due to previous error For more information about this error, try `rustc --explain E0703`.