src/test/ui/async-await/await-keyword/2018-edition-error.rs

// edition:2018
#![allow(non_camel_case_types)]

mod outer_mod {
    pub mod await { //~ ERROR expected identifier
        pub struct await; //~ ERROR expected identifier
    }
}
use self::outer_mod::await::await; //~ ERROR expected identifier
    //~^ ERROR expected identifier, found reserved keyword `await`

fn main() {}