Rust Diesel:特性绑定日期时间：反序列化<'_>；`不满意

我不熟悉生锈和柴油。并尝试使用rocket framework创建一个小型演示api。

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获取错误：特征绑定

NaiveDateTime:反序列化您需要在
Cargo.toml
中的
chrono
中包含
serde
功能：

chrono = { version = "0.4", features = ["serde"]}

它工作！！！谢谢你。
[dependencies]
diesel = { version = "1.4.5", features = ["postgres","chrono","numeric"] }
dotenv = "0.15.0"
chrono = { version = "0.4.19" }
bigdecimal = { version = "0.1.0" }
rocket = "0.4.6"
rocket_codegen = "0.4.6"
r2d2-diesel = "1.0.0"
r2d2 = "0.8.9"
serde = { version = "1.0.118", features = ["derive"] }
serde_derive = "1.0.118"
serde_json = "1.0.60"

[dependencies.rocket_contrib]
version = "*"
default-features = false
features = ["json"]

#![allow(unused)]
#![allow(clippy::all)]

use super::schema::department;
use serde::Serialize;
use serde::Deserialize;

use chrono::NaiveDateTime;
use bigdecimal::BigDecimal;
#[derive(Queryable, Debug, Identifiable, Serialize, Deserialize)]
#[primary_key(dept_id)]
#[table_name = "department"]
pub struct Department {
    pub dept_id: i32,
    pub dept_name: Option<String>,
    pub created_on: Option<NaiveDateTime>,
    pub created_by: Option<String>,
    pub modified_on: Option<NaiveDateTime>,
    pub modified_by: Option<String>,
    pub is_active: Option<bool>,
}

#[macro_use]
extern crate diesel;
extern crate dotenv;
extern crate serde;
extern crate serde_derive;
extern crate serde_json;
extern crate chrono;
extern crate bigdecimal;

mod models;
mod schema;
mod connection;

fn main() {
    println!("Hello, Home!");
}

chrono = { version = "0.4", features = ["serde"]}