fix: address some cargo clippy/rust errors/warnings: ! use write_all, not write

Author: alehander92

src/db-backend/src/handler.rs

@@ -4,7 +4,7 @@ use std::error::Error;
 
 use log::{error, info, warn};
 use regex::Regex;
-use serde::{Deserialize, Serialize};
+use serde::Serialize;
 
 use runtime_tracing::{CallKey, EventLogKind, Line, PathId, StepId, VariableId, NO_KEY};
 

src/db-backend/src/rr_dispatcher.rs

@@ -102,7 +102,8 @@ impl CtRRWorker {
         self.stream
             .as_mut()
             .expect("valid sending stream")
-            .write(&format!("{raw_json}\n").into_bytes())?;
+            .write_all(&format!("{raw_json}\n").into_bytes())?;
+        // `clippy::unused_io_amount` catched we need write_all, not write
 
         let mut res = "".to_string();
         info!("wait to read");