src/test/ui/issues/issue-32963.stderr

   1 error[E0225]: only auto traits can be used as additional traits in a trait object
   2   --> $DIR/issue-32963.rs:8:31
   3    |
   4 LL |     size_of_copy::<dyn Misc + Copy>();
   5    |                        ----   ^^^^ additional non-auto trait
   6    |                        |
   7    |                        first non-auto trait
   8    |
   9    = help: consider creating a new trait with all of these as supertraits and using that trait here instead: `trait NewTrait: Misc + Copy {}`
  10    = note: auto-traits like `Send` and `Sync` are traits that have special properties; for more information on them, visit <https://doc.rust-lang.org/reference/special-types-and-traits.html#auto-traits>
  11
  12 error[E0225]: only auto traits can be used as additional traits in a trait object
  13   --> $DIR/issue-32963.rs:8:31
  14    |
  15 LL |     size_of_copy::<dyn Misc + Copy>();
  16    |                        ----   ^^^^ additional non-auto trait
  17    |                        |
  18    |                        first non-auto trait
  19    |
  20    = help: consider creating a new trait with all of these as supertraits and using that trait here instead: `trait NewTrait: Misc + Copy {}`
  21    = note: auto-traits like `Send` and `Sync` are traits that have special properties; for more information on them, visit <https://doc.rust-lang.org/reference/special-types-and-traits.html#auto-traits>
  22
  23 error[E0277]: the trait bound `dyn Misc: Copy` is not satisfied
  24   --> $DIR/issue-32963.rs:8:5
  25    |
  26 LL |     size_of_copy::<dyn Misc + Copy>();
  27    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `dyn Misc`
  28    |
  29 note: required by a bound in `size_of_copy`
  30   --> $DIR/issue-32963.rs:5:20
  31    |
  32 LL | fn size_of_copy<T: Copy+?Sized>() -> usize { mem::size_of::<T>() }
  33    |                    ^^^^ required by this bound in `size_of_copy`
  34
  35 error: aborting due to 3 previous errors
  36
  37 Some errors have detailed explanations: E0225, E0277.
  38 For more information about an error, try `rustc --explain E0225`.