Update UI tests for latest stable

Author: alexcrichton

crates/macro/ui-tests/pub-not-copy.stderr

@@ -2,9 +2,7 @@ error[E0277]: the trait bound `std::string::String: std::marker::Copy` is not sa
  --> $DIR/pub-not-copy.rs:5:16
   |
 3 | #[wasm_bindgen]
-  | ---------------
-  | |
-  | required by this bound in `__wbg_get_a_field::assert_copy`
+  | --------------- required by this bound in `__wbg_get_a_field::assert_copy`
 4 | pub struct A {
 5 |     pub field: String,
   |                ^^^^^^ the trait `std::marker::Copy` is not implemented for `std::string::String`

crates/macro/ui-tests/start-function.stderr

@@ -10,6 +10,28 @@ error: the start function cannot have generics
 10 | pub fn foo3<T>() {}
    |            ^^^
 
+error[E0277]: the trait bound `std::result::Result<wasm_bindgen::JsValue, ()>: wasm_bindgen::__rt::Start` is not satisfied
+  --> $DIR/start-function.rs:15:1
+   |
+15 | #[wasm_bindgen(start)]
+   | ^^^^^^^^^^^^^^^^^^^^^^ the trait `wasm_bindgen::__rt::Start` is not implemented for `std::result::Result<wasm_bindgen::JsValue, ()>`
+   |
+   = help: the following implementations were found:
+             <std::result::Result<(), E> as wasm_bindgen::__rt::Start>
+   = note: required by `wasm_bindgen::__rt::Start::start`
+   = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
+
+error[E0277]: the trait bound `std::result::Result<wasm_bindgen::JsValue, wasm_bindgen::JsValue>: wasm_bindgen::__rt::Start` is not satisfied
+  --> $DIR/start-function.rs:18:1
+   |
+18 | #[wasm_bindgen(start)]
+   | ^^^^^^^^^^^^^^^^^^^^^^ the trait `wasm_bindgen::__rt::Start` is not implemented for `std::result::Result<wasm_bindgen::JsValue, wasm_bindgen::JsValue>`
+   |
+   = help: the following implementations were found:
+             <std::result::Result<(), E> as wasm_bindgen::__rt::Start>
+   = note: required by `wasm_bindgen::__rt::Start::start`
+   = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info)
+
 error[E0277]: the trait bound `std::result::Result<wasm_bindgen::JsValue, ()>: wasm_bindgen::__rt::Start` is not satisfied
   --> $DIR/start-function.rs:27:1
    |