2018-07-15 16:11:54 -05:00
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error: conflicting implementations of trait `Trait1<std::boxed::Box<_>>` for type `A`: (E0119)
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2018-12-25 09:56:47 -06:00
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--> $DIR/issue-43355.rs:13:1
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2018-07-15 16:11:54 -05:00
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LL | impl<X, T> Trait1<X> for T where T: Trait2<X> {
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| --------------------------------------------- first implementation here
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...
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LL | impl<X> Trait1<Box<X>> for A {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `A`
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= note: #[deny(incoherent_fundamental_impls)] on by default
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= warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
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= note: for more information, see issue #46205 <https://github.com/rust-lang/rust/issues/46205>
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= note: downstream crates may implement trait `Trait2<std::boxed::Box<_>>` for type `A`
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error: aborting due to previous error
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