src/test/ui/traits/alias/issue-83613.stderr

   1 error[E0119]: conflicting implementations of trait `AnotherTrait` for type `impl OpaqueTrait`
   2   --> $DIR/issue-83613.rs:10:1
   3    |
   4 LL | impl<T: Send> AnotherTrait for T {}
   5    | -------------------------------- first implementation here
   6 LL | impl AnotherTrait for OpaqueType {}
   7    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `impl OpaqueTrait`
   8
   9 error: cannot implement trait on type alias impl trait
  10   --> $DIR/issue-83613.rs:10:1
  11    |
  12 LL | impl AnotherTrait for OpaqueType {}
  13    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  14    |
  15 note: type alias impl trait defined here
  16   --> $DIR/issue-83613.rs:4:19
  17    |
  18 LL | type OpaqueType = impl OpaqueTrait;
  19    |                   ^^^^^^^^^^^^^^^^
  20
  21 error: aborting due to 2 previous errors
  22
  23 For more information about this error, try `rustc --explain E0119`.