diff --git a/src/activity_sending.rs b/src/activity_sending.rs
index 94158a2..0c5f2f2 100644
--- a/src/activity_sending.rs
+++ b/src/activity_sending.rs
@@ -11,6 +11,7 @@ use crate::{
     FEDERATION_CONTENT_TYPE,
 };
 use bytes::Bytes;
+use chrono::{DateTime, Utc};
 use futures::StreamExt;
 use httpdate::fmt_http_date;
 use itertools::Itertools;
@@ -22,7 +23,6 @@ use std::{
     fmt::{Debug, Display},
     time::{Duration, SystemTime},
 };
-use chrono::{DateTime, Utc};
 use tracing::debug;
 use url::Url;
 
@@ -133,10 +133,10 @@ where
     let activity_id = activity.id();
     let activity_serialized: Bytes = match published {
         Some(published) => serde_json::to_vec(&WithPublished::new(activity, published)),
-        None => serde_json::to_vec(activity)
+        None => serde_json::to_vec(activity),
     }
-        .map_err(|e| Error::SerializeOutgoingActivity(e, format!("{:?}", activity)))?
-        .into();
+    .map_err(|e| Error::SerializeOutgoingActivity(e, format!("{:?}", activity)))?
+    .into();
     let private_key = get_pkey_cached(data, actor).await?;
 
     Ok(futures::stream::iter(
@@ -228,10 +228,7 @@ struct WithPublished<T> {
 
 impl<T> WithPublished<T> {
     pub fn new(inner: T, published: DateTime<Utc>) -> WithPublished<T> {
-        Self {
-            published,
-            inner,
-        }
+        Self { published, inner }
     }
 }
 
diff --git a/src/actix_web/inbox.rs b/src/actix_web/inbox.rs
index b9c6379..a6e79dd 100644
--- a/src/actix_web/inbox.rs
+++ b/src/actix_web/inbox.rs
@@ -39,6 +39,10 @@ where
     )?;
 
     debug!("Receiving activity {}", activity.id().to_string());
+
+    // TODO: need to throw received activities in a queue ordered by published timestamp, then
+    //       process in order. tricky due to generics. probably need one queue per sending instance.
+
     activity.verify(data).await?;
     activity.receive(data).await?;
     Ok(HttpResponse::Ok().finish())
diff --git a/src/traits.rs b/src/traits.rs
index ee680f0..720f731 100644
--- a/src/traits.rs
+++ b/src/traits.rs
@@ -343,7 +343,7 @@ pub mod tests {
         error::Error,
         fetch::object_id::ObjectId,
         http_signatures::{generate_actor_keypair, Keypair},
-        protocol::{verification::verify_domains_match},
+        protocol::verification::verify_domains_match,
     };
     use activitystreams_kinds::{activity::FollowType, actor::PersonType};
     use once_cell::sync::Lazy;