chore(lib): remove panic on add

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "async_job"
-version = "0.1.1"
+version = "0.1.3"
 edition = "2021"
 description = "Simple async cron job crate for Rust"
 repository = "https://github.com/spider-rs/async_job"
@@ -9,14 +9,15 @@ keywords = ["crawler", "spider"]
 categories = ["web-programming"]
 license = "MIT"
 documentation = "https://docs.rs/async_job"
+authors = ["j-mendez <jeff@a11ywatch.com>"]
 
 [dependencies]
-async-trait = "0.1.74"
+async-trait = "0.1.75"
 chrono = "0.4.31"
 cron = "0.12.0"
 lazy_static = "1.4.0"
 log = "0.4.20"
-tokio = { version = "^1.34.0", features = [ "macros", "time", "parking_lot" ] }
+tokio = { version = "^1.35.0", features = [ "macros", "time", "parking_lot" ] }
 
 [features]
 default = ["rt-multi-thread"]

src/lib.rs

@@ -65,7 +65,6 @@ use chrono::{DateTime, Duration, Utc};
 pub use cron::Schedule;
 use lazy_static::lazy_static;
 use log::{debug, error, info};
-use std::panic;
 use std::sync::mpsc::{Receiver, Sender};
 use std::sync::{
     atomic::{AtomicBool, Ordering},
@@ -213,13 +212,12 @@ impl Runner {
 
     /// Add jobs into the runner
     ///
-    /// **panics** if you try to push a job onto already started runner
+    /// Does nothing if already running.
     #[allow(clippy::should_implement_trait)]
     pub fn add(mut self, job: Box<dyn Job>) -> Self {
-        if self.running {
-            panic!("Cannot push job onto runner once the runner is started!");
+        if !self.running {
+            self.jobs.push(job);
         }
-        self.jobs.push(job);
         self
     }