Fixed errors and warnings

lib/derive/Cargo.toml

@@ -11,7 +11,6 @@ edition = "2018"
 proc-macro = true
 
 [features]
-default-features = []
 # It will make imports from `wasmer_js::` instead of `wasmer::`
 js = []
 

lib/js-api/src/externals/function.rs

@@ -462,8 +462,7 @@ impl Function {
             arr.set(i as u32, js_value);
         }
         let result =
-            js_sys::Reflect::apply(&self.exported.function, &wasm_bindgen::JsValue::NULL, &arr)
-                .unwrap();
+            js_sys::Reflect::apply(&self.exported.function, &wasm_bindgen::JsValue::NULL, &arr)?;
 
         let result_types = self.exported.ty.results();
         match result_types.len() {

lib/js-api/src/trap.rs

@@ -63,7 +63,7 @@ impl RuntimeError {
     }
 
     /// Creates a new user `RuntimeError` with the given `error`.
-    pub fn user(error: impl Error + 'static) -> Self {
+    pub fn user(error: impl Error + Send + Sync + 'static) -> Self {
         RuntimeError {
             inner: Arc::new(RuntimeErrorSource::User(Box::new(error))),
         }
@@ -160,7 +160,7 @@ impl From<JsValue> for RuntimeError {
         // We try to downcast the error and see if it's
         // an instance of RuntimeError instead, so we don't need
         // to re-wrap it.
-        generic_of_jsval(original, "RuntimeError").unwrap_or_else(|js| RuntimeError {
+        generic_of_jsval(original, "WasmerRuntimeError").unwrap_or_else(|js| RuntimeError {
             inner: Arc::new(RuntimeErrorSource::Js(js)),
         })
     }