1 error[E0658]: `#[prelude_import]` is for use by rustc only
2 --> $DIR/feature-gate-prelude_import.rs:1:1
7 = help: add `#![feature(prelude_import)]` to the crate attributes to enable
9 error: aborting due to previous error
11 For more information about this error, try `rustc --explain E0658`.