src/test/ui/feature-gate/feature-gate-or_patterns.stderr

error[E0658]: or-patterns syntax is experimental
  --> $DIR/feature-gate-or_patterns.rs:5:14
   |
LL |         Some(0 | 1 | 2) => {}
   |              ^^^^^^^^^
   |
   = note: for more information, see https://github.com/rust-lang/rust/issues/54883
   = help: add `#![feature(or_patterns)]` to the crate attributes to enable

error: aborting due to previous error

For more information about this error, try `rustc --explain E0658`.