1error: field must have #[serde(default)] because previous field 0 has #[serde(default)] 2 --> tests/ui/default-attribute/tuple_struct.rs:16:33 3 | 416 | struct T2(#[serde(default)] u8, u8, u8); 5 | ^^ 6 7error: field must have #[serde(default)] because previous field 0 has #[serde(default)] 8 --> tests/ui/default-attribute/tuple_struct.rs:16:37 9 | 1016 | struct T2(#[serde(default)] u8, u8, u8); 11 | ^^ 12