Compiler error when using serde_with::with_prefix!

[fraxinas]

Using schemars ver. 0.8.12, I noticed a compiler error

error[E0573]: expected type, found module `prefix_dest`
   --> src/models.rs:308:29
    |
308 |     #[serde(flatten, with = "prefix_dest")]
    |                             ^^^^^^^^^^^^^ not a type

when using the with_prefix! macro from the serde_width crate ver. 3.0.0 (serde = 1.0.164 and serde_json = 1.0.96)

with_prefix!(prefix_dest "Dest");

// ...

#[derive(Debug, Deserialize, Serialize, PartialEq, Clone, Default, JsonSchema)]
#[serde(rename_all = "camelCase")]
pub struct DialStateData
{
    #[serde(flatten)]
    pub caller_state: NewConnectedLineData,
    #[serde(flatten, with = "prefix_dest")]
    pub destination_state: NewConnectedLineData,
    pub dial_status: AsteriskDialStatus,
}

the compiler error disappears when omitting JsonSchema. I suspect the 2 custom serializers of serde_with and schemars are clashing.

Additional info:

// Recursive expansion of with_prefix! macro
// ==========================================

pub mod prefix_dest {
    use $crate::serde::{Deserialize, Deserializer, Serialize, Serializer};
    use $crate::with_prefix::WithPrefix;
    #[allow(dead_code)]
    pub fn serialize<T, S>(
        object: &T,
        serializer: S,
    ) -> $crate::__private__::Result<S::Ok, S::Error>
    where
        T: Serialize,
        S: Serializer,
    {
        object.serialize(WithPrefix {
            delegate: serializer,
            prefix: "Dest",
        })
    }
    #[allow(dead_code)]
    pub fn deserialize<'de, T, D>(deserializer: D) -> $crate::__private__::Result<T, D::Error>
    where
        T: Deserialize<'de>,
        D: Deserializer<'de>,
    {
        T::deserialize(WithPrefix {
            delegate: deserializer,
            prefix: "Dest",
        })
    }
}

[ralpha]

Not sure what issue is but this might be related as there are some comments https://github.com/GREsau/schemars/blob/master/schemars_derive/src/attr/schemars_to_serde.rs#L25 And also some special logic here: https://github.com/GREsau/schemars/blob/master/schemars_derive/src/attr/mod.rs#L112 You can also use tools like https://github.com/dtolnay/cargo-expand to investigate what code it generates after running the macro but before the compiler checks.

[fraxinas]

Here's the expanded code but i don't understand it well enough to spot any errors: https://gist.github.com/fraxinas/5b4e5d2a58b3b42cb6db5fc47830c6cc