#[derive(Clone, Debug, PartialEq, Deserialize, FromJsonQueryResult)]
pub struct NonSerializableStruct;

impl Serialize for NonSerializableStruct {
    fn serialize<S>(&self, _serializer: S) -> Result<S::Ok, S::Error>
    where
        S: Serializer,
    {
        Err(serde::ser::Error::custom(
            "intentionally failing serialization",
        ))
    }
}

let model = Model {
    json: Some(NonSerializableStruct),
};

let _ = model.into_active_model().insert(&ctx.db).await; // panic here