1error[E0119]: conflicting implementations of trait `std::marker::Unpin` for type `Foo<_, _>`: 2 --> $DIR/conflict-unpin.rs:5:1 3 | 45 | #[pin_project] //~ ERROR E0119 5 | ^^^^^^^^^^^^^^ conflicting implementation for `Foo<_, _>` 6... 713 | impl<T, U> Unpin for Foo<T, U> where T: Unpin {} // Conditional Unpin impl 8 | --------------------------------------------- first implementation here 9 | 10 = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info) 11 12error[E0119]: conflicting implementations of trait `std::marker::Unpin` for type `Bar<_, _>`: 13 --> $DIR/conflict-unpin.rs:17:1 14 | 1517 | #[pin_project] //~ ERROR E0119 16 | ^^^^^^^^^^^^^^ conflicting implementation for `Bar<_, _>` 17... 1825 | impl<T, U> Unpin for Bar<T, U> {} // Non-conditional Unpin impl 19 | ------------------------------ first implementation here 20 | 21 = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info) 22 23error[E0119]: conflicting implementations of trait `std::marker::Unpin` for type `Baz<_, _>`: 24 --> $DIR/conflict-unpin.rs:27:1 25 | 2627 | #[pin_project] //~ ERROR E0119 27 | ^^^^^^^^^^^^^^ conflicting implementation for `Baz<_, _>` 28... 2935 | impl<T: Unpin, U: Unpin> Unpin for Baz<T, U> {} // Conditional Unpin impl 30 | -------------------------------------------- first implementation here 31 | 32 = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info) 33