E0517
rust Invalid repr Attribute Target
A #[repr(..)] attribute was placed on an item type that does not support it. For example, repr(C) is only valid on structs and enums, while repr(u8) is only valid on enums.
A #[repr(..)] attribute was placed on an item type that does not support it. For example, repr(C) is only valid on structs and enums, while repr(u8) is only valid on enums.