1 error: conflicting implementations of trait `Trait` for type `for<'a, 'b> fn(&'a &'b u32, &'b &'a u32) -> &'b u32`:
2 --> $DIR/coherence-fn-implied-bounds.rs:21:1
4 LL | impl Trait for for<'a, 'b> fn(&'a &'b u32, &'b &'a u32) -> &'b u32 {}
5 | ------------------------------------------------------------------ first implementation here
7 LL | impl Trait for for<'c> fn(&'c &'c u32, &'c &'c u32) -> &'c u32 {
8 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `for<'a, 'b> fn(&'a &'b u32, &'b &'a u32) -> &'b u32`
10 note: the lint level is defined here
11 --> $DIR/coherence-fn-implied-bounds.rs:15:9
13 LL | #![deny(coherence_leak_check)]
14 | ^^^^^^^^^^^^^^^^^^^^
15 = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
16 = note: for more information, see issue #56105 <https://github.com/rust-lang/rust/issues/56105>
17 = note: this behavior recently changed as a result of a bug fix; see rust-lang/rust#56105 for details
19 error: aborting due to previous error