1 error[E0658]: deriving `Default` on enums is experimental
2 --> $DIR/feature-gate-derive_default_enum.rs:1:10
4 LL | #[derive(Default)]
7 = note: see issue #86985 <https://github.com/rust-lang/rust/issues/86985> for more information
8 = help: add `#![feature(derive_default_enum)]` to the crate attributes to enable
9 = note: this error originates in the derive macro `Default` (in Nightly builds, run with -Z macro-backtrace for more info)
11 error: aborting due to previous error
13 For more information about this error, try `rustc --explain E0658`.