error[E0119]: conflicting implementations of trait `std::clone::Clone` for type `Flags` --> $DIR/copy.rs:3:1 | 3 | / bitflags! { 4 | | #[derive(Clone, Copy)] | | ----- first implementation here 5 | | struct Flags: u32 { 6 | | const A = 0b00000001; 7 | | } 8 | | } | |_^ conflicting implementation for `Flags` | = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0119]: conflicting implementations of trait `std::marker::Copy` for type `Flags` --> $DIR/copy.rs:3:1 | 3 | / bitflags! { 4 | | #[derive(Clone, Copy)] | | ---- first implementation here 5 | | struct Flags: u32 { 6 | | const A = 0b00000001; 7 | | } 8 | | } | |_^ conflicting implementation for `Flags` | = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)