error[E0277]: the trait bound `std::result::Result<wasm_bindgen::JsValue, wasm_bindgen::JsValue>: wasm_bindgen::convert::traits::FromWasmAbi` is not satisfied --> $DIR/missing-catch.rs:6:9 | 6 | pub fn foo() -> Result<JsValue, JsValue>; | ^^^ the trait `wasm_bindgen::convert::traits::FromWasmAbi` is not implemented for `std::result::Result<wasm_bindgen::JsValue, wasm_bindgen::JsValue>` For more information about this error, try `rustc --explain E0277`.