#![feature(prelude_import)]
//! Test
#[prelude_import]
use std::prelude::rust_2018::*;
#[macro_use]
extern crate std;
/// Test
pub fn test() {}

#![feature(prelude_import)]
//! Test
#[prelude_import]
use std::prelude::v1::*;
#[macro_use]
extern crate std;
/// Test
pub fn test() {}

--- 
+++ 
@@ -1,7 +1,7 @@
 #![feature(prelude_import)]
 //! Test
 #[prelude_import]
-use std::prelude::v1::*;
+use std::prelude::rust_2018::*;
 #[macro_use]
 extern crate std;
 /// Test
Update test case for nightly's new prelude import
