src/test/ui/coherence/coherence-impl-trait-for-marker-trait-positive.stderr

   1 error[E0371]: the object type `(dyn Object + Marker2 + 'static)` automatically implements the trait `Marker1`
   2   --> $DIR/coherence-impl-trait-for-marker-trait-positive.rs:15:1
   3    |
   4 LL | impl Marker1 for dyn Object + Marker2 { }
   5    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `(dyn Object + Marker2 + 'static)` automatically implements trait `Marker1`
   6
   7 error[E0371]: the object type `(dyn Object + Marker2 + 'static)` automatically implements the trait `Marker2`
   8   --> $DIR/coherence-impl-trait-for-marker-trait-positive.rs:17:1
   9    |
  10 LL | impl Marker2 for dyn Object + Marker2 { }
  11    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `(dyn Object + Marker2 + 'static)` automatically implements trait `Marker2`
  12
  13 error[E0117]: only traits defined in the current crate can be implemented for arbitrary types
  14   --> $DIR/coherence-impl-trait-for-marker-trait-positive.rs:23:1
  15    |
  16 LL | unsafe impl Send for dyn Marker2 {}
  17    | ^^^^^^^^^^^^^^^^^^^^^-----------
  18    | |                    |
  19    | |                    `dyn Marker2` is not defined in the current crate
  20    | impl doesn't use only types from inside the current crate
  21    |
  22    = note: define and implement a trait or new type instead
  23
  24 error[E0321]: cross-crate traits with a default impl, like `Send`, can only be implemented for a struct/enum type, not `(dyn Object + 'static)`
  25   --> $DIR/coherence-impl-trait-for-marker-trait-positive.rs:27:1
  26    |
  27 LL | unsafe impl Send for dyn Object {}
  28    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't implement cross-crate trait with a default impl for non-struct/enum type
  29
  30 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)`
  31   --> $DIR/coherence-impl-trait-for-marker-trait-positive.rs:28:1
  32    |
  33 LL | unsafe impl Send for dyn Object + Marker2 {}
  34    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't implement cross-crate trait with a default impl for non-struct/enum type
  35
  36 error: aborting due to 5 previous errors
  37
  38 Some errors have detailed explanations: E0117, E0321, E0371.
  39 For more information about an error, try `rustc --explain E0117`.