rust/src/test/ui/issues/issue-43355.stderr
2018-12-25 21:08:33 -07:00

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error: conflicting implementations of trait `Trait1<std::boxed::Box<_>>` for type `A`: (E0119)
--> $DIR/issue-43355.rs:13:1
|
LL | impl<X, T> Trait1<X> for T where T: Trait2<X> {
| --------------------------------------------- first implementation here
...
LL | impl<X> Trait1<Box<X>> for A {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `A`
|
= note: #[deny(incoherent_fundamental_impls)] on by default
= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
= note: for more information, see issue #46205 <https://github.com/rust-lang/rust/issues/46205>
= note: downstream crates may implement trait `Trait2<std::boxed::Box<_>>` for type `A`
error: aborting due to previous error