message: Cleanup expect messages used for debugging
diff: @@ -115,8 +115,8 @@ pub fn read_module<
  .push(func_type_to_func_sig(ty)?);
  }
  ParserState::ImportSectionEntry { module, field, ty } => {
  - let namespace_index = namespace_builder.as_mut().expect("116").register(module);
  - let name_index = name_builder.as_mut().expect("117").register(field);
  + let namespace_index = namespace_builder.as_mut().unwrap().register(module);
  + let name_index = name_builder.as_mut().unwrap().register(field);
  let import_name = ImportName {
  namespace_index,
  name_index,
  @@ -209,8 +209,8 @@ pub fn read_module<
  func_count = id;
  if func_count == 0 {
  info.write().unwrap().namespace_table =
  - namespace_builder.take().expect("214").finish();
  - info.write().unwrap().name_table = name_builder.take().expect("216").finish();
  + namespace_builder.take().unwrap().finish();
  + info.write().unwrap().name_table = name_builder.take().unwrap().finish();
  mcg.feed_signatures(info.read().unwrap().signatures.clone())
  .map_err(|x| LoadError::Codegen(format!("{:?}", x)))?;
  mcg.feed_function_signatures(info.read().unwrap().func_assoc.clone())
  @@ -241,9 +241,9 @@ pub fn read_module<
  .get(FuncIndex::new(
  id as usize + info.read().unwrap().imported_functions.len(),
  ))
  - .expect("242"),
  + .unwrap(),
  )
  - .expect("244");
  + .unwrap();
  for ret in sig.returns() {
  fcg.feed_return(type_to_wp_type(*ret))
  .map_err(|x| LoadError::Codegen(format!("{:?}", x)))?;
  @@ -319,8 +319,8 @@ pub fn read_module<
  let table_init = TableInitializer {
  table_index,
  - base: base.expect("320"),
  - elements: elements.expect("321"),
  + base: base.unwrap(),
  + elements: elements.unwrap(),
  };
  info.write().unwrap().elem_initializers.push(table_init);
  @@ -351,7 +351,7 @@ pub fn read_module<
  let data_init = DataInitializer {
  memory_index,
  - base: base.expect("355"),
  + base: base.unwrap(),
  data,
  };
  info.write().unwrap().data_initializers.push(data_init);
  