1 error[E0225]: only auto traits can be used as additional traits in a trait object
2 --> $DIR/issue-32963.rs:8:31
4 LL | size_of_copy::<dyn Misc + Copy>();
7 | | additional non-auto trait
8 | | trait alias used in trait object type (additional use)
10 | trait alias used in trait object type (first use)
12 error[E0277]: the trait bound `dyn Misc: std::marker::Copy` is not satisfied
13 --> $DIR/issue-32963.rs:8:5
15 LL | size_of_copy::<dyn Misc + Copy>();
16 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `std::marker::Copy` is not implemented for `dyn Misc`
18 note: required by `size_of_copy`
19 --> $DIR/issue-32963.rs:5:1
21 LL | fn size_of_copy<T: Copy+?Sized>() -> usize { mem::size_of::<T>() }
22 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
24 error: aborting due to 2 previous errors
26 Some errors have detailed explanations: E0225, E0277.
27 For more information about an error, try `rustc --explain E0225`.