error[E0119]: conflicting implementations of trait `Sweet`
  --> $DIR/coherence-overlap-downstream.rs:11:1
   |
LL | impl<T:Sugar> Sweet for T { }
   | ------------------------- first implementation here
LL | impl<T:Fruit> Sweet for T { }
   | ^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation

error[E0119]: conflicting implementations of trait `Foo<_>` for type `i32`
  --> $DIR/coherence-overlap-downstream.rs:17:1
   |
LL | impl<X, T> Foo<X> for T where T: Bar<X> {}
   | ----------------------- first implementation here
LL | impl<X> Foo<X> for i32 {}
   | ^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `i32`
   |
   = note: downstream crates may implement trait `Bar<_>` for type `i32`

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0119`.