1error[E0277]: `PhantomPinned` cannot be unpinned 2 --> tests/ui/pin_project/overlapping_unpin_struct.rs:18:5 3 | 418 | is_unpin::<S<PhantomPinned>>(); //~ ERROR E0277 5 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ within `_::__S<'_, PhantomPinned>`, the trait `Unpin` is not implemented for `PhantomPinned` 6 | 7 = note: consider using `Box::pin` 8note: required because it appears within the type `_::__S<'_, PhantomPinned>` 9 --> tests/ui/pin_project/overlapping_unpin_struct.rs:6:8 10 | 116 | struct S<T> { 12 | ^ 13note: required because of the requirements on the impl of `Unpin` for `S<PhantomPinned>` 14 --> tests/ui/pin_project/overlapping_unpin_struct.rs:5:1 15 | 165 | #[pin_project] 17 | ^^^^^^^^^^^^^^ 186 | struct S<T> { 19 | ^^^^ 20note: required by a bound in `is_unpin` 21 --> tests/ui/pin_project/overlapping_unpin_struct.rs:15:16 22 | 2315 | fn is_unpin<T: Unpin>() {} 24 | ^^^^^ required by this bound in `is_unpin` 25 = note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info) 26