1error[E0204]: the trait `Copy` may not be implemented for this type
2  --> $DIR/all_missing.rs:5:1
3   |
45  | / bitflags! {
56  | |     struct Flags128: MyInt {
67  | |         const A = MyInt(0b0000_0001);
78  | |         const B = MyInt(0b0000_0010);
89  | |         const C = MyInt(0b0000_0100);
910 | |     }
1011 | | }
11   | |_^ this field does not implement `Copy`
12   |
13   = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
14