error[E0046]: not all trait items implemented, missing: `CONSTANT` --> $DIR/default-body-stability-err.rs:10:1 | LL | impl JustTrait for Type {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: default implementation of `CONSTANT` is unstable = note: use of unstable library feature 'constant_default_body' = help: add `#![feature(constant_default_body)]` to the crate attributes to enable error[E0046]: not all trait items implemented, missing: `fun` --> $DIR/default-body-stability-err.rs:10:1 | LL | impl JustTrait for Type {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: default implementation of `fun` is unstable = note: use of unstable library feature 'fun_default_body' = help: add `#![feature(fun_default_body)]` to the crate attributes to enable error[E0046]: not all trait items implemented, missing: `fun2` --> $DIR/default-body-stability-err.rs:10:1 | LL | impl JustTrait for Type {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: default implementation of `fun2` is unstable = note: use of unstable library feature 'fun_default_body': reason = help: add `#![feature(fun_default_body)]` to the crate attributes to enable error[E0046]: not all trait items implemented, missing: `eq` --> $DIR/default-body-stability-err.rs:15:1 | LL | / impl Equal for Type { LL | | LL | | fn neq(&self, other: &Self) -> bool { LL | | false LL | | } LL | | } | |_^ | = note: default implementation of `eq` is unstable = note: use of unstable library feature 'eq_default_body' = help: add `#![feature(eq_default_body)]` to the crate attributes to enable error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0046`.