1 error[E0658]: use of unstable library feature 'unstable_default'
2 --> $DIR/generics-default-stability-where.rs:8:45
4 LL | impl<T> Trait3<usize> for T where T: Trait2<usize> {
7 = help: add `#![feature(unstable_default)]` to the crate attributes to enable
9 error: aborting due to previous error
11 For more information about this error, try `rustc --explain E0658`.