nthuemmel-scontain

RFC3339 `Option` parsing does not work for flattened structures. Example to reproduce: ```rust use serde::{Deserialize, Serialize}; use time::OffsetDateTime; #[derive(Serialize, Deserialize)] struct Nested { #[serde(default, with = "time::serde::rfc3339::option")] v1: Option, #[serde(default,...