message: Remove `Copy` trait
diff: @@ -152,7 +152,7 @@ pub enum Type {
  Pointer(Box<Type>),
  }
  -#[derive(Serialize, Deserialize, Debug, Copy, Clone, PartialEq)]
  +#[derive(Serialize, Deserialize, Debug, Clone, PartialEq)]
  #[serde(untagged)]
  pub enum Literal {
  Int(i64),
  