| error[E0119]: conflicting implementations of trait `std::marker::Unpin` for type `Struct<_>` | |
| --> $DIR/marker_trait_attr-feature-gate.rs:7:1 | |
| | | |
| 7 | #[pin_project] //~ ERROR E0119 | |
| | ^^^^^^^^^^^^^^ conflicting implementation for `Struct<_>` | |
| ... | |
| 14 | impl<T> Unpin for Struct<T> {} | |
| | --------------------------- first implementation here | |
| | | |
| = note: this error originates in the derive macro `::pin_project::__private::__PinProjectInternalDerive` (in Nightly builds, run with -Z macro-backtrace for more info) |