Fix it so that the deployment is successful

hello/Cargo.toml

@@ -1,9 +1,9 @@
 [package]
 name = "hello"
 version = "0.1.0"
-edition = "2018"
+edition = "2021"
 
 [dependencies]
-tokio = { version = "0.2", features = ["macros"] }
-lambda = { git = "https://github.com/awslabs/aws-lambda-rust-runtime/", branch = "master"}
+tokio = { version = "1.34.0", features = ["macros", "rt-multi-thread"] }
+lambda_runtime = "0.8.3"
 serde_json = "1.0"

hello/src/main.rs

@@ -1,31 +1,30 @@
-use lambda::{handler_fn, Context};
+use lambda_runtime::{service_fn, LambdaEvent};
 use serde_json::Value;
 
 type Error = Box<dyn std::error::Error + Sync + Send + 'static>;
 
 #[tokio::main]
 async fn main() -> Result<(), Error> {
-    lambda::run(handler_fn(hello)).await?;
+    lambda_runtime::run(service_fn(hello)).await?;
     Ok(())
 }
 
-async fn hello(event: Value, _: Context) -> Result<Value, Error> {
-    Ok(event)
+async fn hello(event: LambdaEvent<Value>) -> Result<Value, Error> {
+    Ok(event.payload)
 }
 
 #[cfg(test)]
 mod tests {
     use super::*;
+    use lambda_runtime::Context;
     use serde_json::json;
 
     #[tokio::test]
     async fn hello_handles() {
-        let event = json!({
-            "answer": 42
-        });
+        let event = LambdaEvent::new(json!({"answer": 42}), Context::default());
         assert_eq!(
-            hello(event.clone(), Context::default()).await.expect("expected Ok(_) value"),
-            event
+            hello(event.clone()).await.expect("expected Ok(_) value"),
+            event.payload
         )
     }
 }