fix warning in the example project

Cargo.toml

@@ -16,8 +16,8 @@ diesel-derive-enum = { version = "1", features = ["postgres"] }
 dotenv = "0.15"
 uuid = { version = "0.8", features = ["v4"] }
 chrono = "0.4"
-serde_json = "1.0"
+serde_json = "1"
 typetag = "0.1"
 log = "0.4"
-serde = { version = "1.0", features = ["derive"] }
-thiserror = "1.0.29"
+serde = { version = "1", features = ["derive"] }
+thiserror = "1.0"

fang_examples/simple_worker/src/main.rs

@@ -3,8 +3,8 @@ use fang::Queue;
 use fang::RetentionMode;
 use fang::WorkerParams;
 use fang::WorkerPool;
-use simple_worker::MyJob;
 use signal_hook::{consts::signal::*, iterator::Signals};
+use simple_worker::MyJob;
 
 fn main() {
     dotenv().ok();
@@ -29,13 +29,13 @@ fn main() {
                 println!("Received SIGINT");
                 worker_pool.shutdown().unwrap();
                 break;
-            },
+            }
             SIGTERM => {
                 println!("Received SIGTERM");
                 worker_pool.shutdown().unwrap();
                 break;
-            },
-            _ => unreachable!(format!("Received unexpected signal: {:?}", sig)),
+            }
+            _ => unreachable!("Received unexpected signal: {:?}", sig),
         }
     }
 }