message: Hard-fail if hasteImpl is throwing an error during initialization.
diff: @@ -40,7 +40,6 @@ const formatError = (error: string | Error): SerializableError => {
  };
  module.exports = (data: WorkerMessage, callback: WorkerCallback): void => {
  - try {
  if (
  data.hasteImplModulePath &&
  data.hasteImplModulePath !== hasteImplModulePath
  @@ -54,6 +53,7 @@ module.exports = (data: WorkerMessage, callback: WorkerCallback): void => {
  (require(hasteImplModulePath): HasteImpl);
  }
  + try {
  const filePath = data.filePath;
  const content = fs.readFileSync(filePath, 'utf8');
  let module;
  