error: the feature `unsafe_pin_internals` is internal to the compiler or standard library --> $DIR/feature-gate-unsafe_pin_internals.rs:3:12 | LL | #![feature(unsafe_pin_internals)] | ^^^^^^^^^^^^^^^^^^^^ | = note: using it is strongly discouraged note: the lint level is defined here --> $DIR/feature-gate-unsafe_pin_internals.rs:2:11 | LL | #![forbid(internal_features, unsafe_code)] | ^^^^^^^^^^^^^^^^^ error: aborting due to 1 previous error