apply various suggestions from @hawkw

Co-authored-by: Eliza Weisman <eliza@buoyant.io>

Author: jswrenn

src/cmd/set.rs

@@ -131,7 +131,7 @@ impl Set {
         skip(self, db, dst),
         fields(
             key = self.key.as_str(),
-            ?expire = self.expire.as_ref().map(Duration::as_secs_f64),
+            expire = ?self.expire.as_ref(),
         ),
     )]
     pub(crate) async fn apply(self, db: &Db, dst: &mut Connection) -> crate::Result<()> {

src/connection.rs

@@ -84,10 +84,10 @@ impl Connection {
                 ConnectionState::Open => continue,
                 ConnectionState::Closed | ConnectionState::Reset => {
                     if !self.buffer.is_empty() {
-                        warn! {
-                            incomplete =? self.buffer,
-                            "connection closed with incomplete frame"
-                        };
+                        warn!(
+                            incomplete = ?self.buffer, 
+                            "connection closed with incomplete frame",
+                        );
                     }
                     return Ok(None);
                 }
@@ -104,9 +104,7 @@ impl Connection {
             Ok(_) => Ok(ConnectionState::Open),
             // the connection was closed abruptly by the peer
             Err(e) if e.kind() == ConnectionReset => {
-                warn! {
-                    "connection closed abruptly by peer"
-                };
+                warn!("connection closed abruptly by peer");
                 Ok(ConnectionState::Reset)
             }
             // reading failed for some other reason

src/db.rs

@@ -329,10 +329,7 @@ impl Shared {
             }
 
             // The key expired, remove it
-            debug! {
-                key = &key.as_str(),
-                "purged_expired_key",
-            }
+            debug!(key = &key.as_str(), "purged_expired_key");
             state.entries.remove(key);
             state.expirations.remove(&(when, id));
         }

src/server.rs

@@ -332,7 +332,7 @@ impl Handler {
         name = "Handler::run",
         skip(self),
         fields(
-            ?peer_addr = self.connection.peer_addr().unwrap(),
+            peer_addr = %self.connection.peer_addr().unwrap(),
         ),
     )]
     async fn run(&mut self) -> crate::Result<()> {
@@ -387,10 +387,7 @@ impl Handler {
                 //      };
                 // `tracing` provides structured logging, so information is
                 // "logged" as key-value pairs.
-                warn! {
-                    %cause,
-                    "failed to parse command from frame"
-                };
+                warn!(%cause, "failed to parse command from frame");
                 // ...and (2) respond to the client with the error:
                 Command::from_error(cause)
             }