1error[E0277]: `PhantomPinned` cannot be unpinned 2 --> $DIR/trivial_bounds-bug.rs:13:43 3 | 413 | impl Unpin for A where PhantomPinned: Unpin {} //~ ERROR E0277 5 | ^^^^^ the trait `Unpin` is not implemented for `PhantomPinned` 6