1 error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
2 --> $DIR/coherence-impl-trait-for-marker-trait-positive.rs:23:1
4 LL | unsafe impl Send for dyn Marker2 {}
5 | ^^^^^^^^^^^^^^^^^^^^^-----------
7 | | `dyn Marker2` is not defined in the current crate
8 | impl doesn't use only types from inside the current crate
10 = note: define and implement a trait or new type instead
12 error[E0321]: cross-crate traits with a default impl, like `Send`, can only be implemented for a struct/enum type, not `(dyn Object + 'static)`
13 --> $DIR/coherence-impl-trait-for-marker-trait-positive.rs:27:1
15 LL | unsafe impl Send for dyn Object {}
16 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't implement cross-crate trait with a default impl for non-struct/enum type
18 error[E0321]: cross-crate traits with a default impl, like `Send`, can only be implemented for a struct/enum type, not `(dyn Object + Marker2 + 'static)`
19 --> $DIR/coherence-impl-trait-for-marker-trait-positive.rs:28:1
21 LL | unsafe impl Send for dyn Object + Marker2 {}
22 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't implement cross-crate trait with a default impl for non-struct/enum type
24 error[E0371]: the object type `(dyn Object + Marker2 + 'static)` automatically implements the trait `Marker1`
25 --> $DIR/coherence-impl-trait-for-marker-trait-positive.rs:15:1
27 LL | impl Marker1 for dyn Object + Marker2 { }
28 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `(dyn Object + Marker2 + 'static)` automatically implements trait `Marker1`
30 error[E0371]: the object type `(dyn Object + Marker2 + 'static)` automatically implements the trait `Marker2`
31 --> $DIR/coherence-impl-trait-for-marker-trait-positive.rs:17:1
33 LL | impl Marker2 for dyn Object + Marker2 { }
34 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `(dyn Object + Marker2 + 'static)` automatically implements trait `Marker2`
36 error: aborting due to 5 previous errors
38 Some errors have detailed explanations: E0117, E0321, E0371.
39 For more information about an error, try `rustc --explain E0117`.