1error[E0204]: the trait `Copy` may not be implemented for this type
2  --> $DIR/opt-in-copy.rs:7:6
3   |
4LL |     but_i_cant: CantCopyThis,
5   |     ------------------------ this field does not implement `Copy`
6...
7LL | impl Copy for IWantToCopyThis {}
8   |      ^^^^
9
10error[E0204]: the trait `Copy` may not be implemented for this type
11  --> $DIR/opt-in-copy.rs:19:6
12   |
13LL |     ButICant(CantCopyThisEither),
14   |              ------------------ this field does not implement `Copy`
15...
16LL | impl Copy for IWantToCopyThisToo {}
17   |      ^^^^
18
19error: aborting due to 2 previous errors
20
21For more information about this error, try `rustc --explain E0204`.
22