message: Fix non-rayon build of Cranelift compiler
diff: @@ -132,7 +132,7 @@ impl Compiler for CraneliftCompiler {
  let name = &context.func.params.user_named_funcs()[nameref];
  UserFuncName::User(name.clone())
  } else {
  - ExternalName::default()
  + UserFuncName::default()
  }
  }
  ExternalName::TestCase(testcase) => UserFuncName::Testcase(testcase),
  @@ -161,9 +161,9 @@ impl Compiler for CraneliftCompiler {
  let mut code_buf: Vec<u8> = Vec::new();
  context
  .compile_and_emit(&*isa, &mut code_buf)
  - .map_err(|error| CompileError::Codegen(pretty_error(&context.func, error)))?;
  + .map_err(|error| CompileError::Codegen(error.inner.to_string()))?;
  - let result = context.mach_compile_result.as_ref().unwrap();
  + let result = context.compiled_code().unwrap();
  let func_relocs = result
  .buffer
  .relocs()
  