server: finish port to axum w/ websockets

server/src/graphql.rs

@@ -2,7 +2,7 @@ use std::{fmt, str::FromStr};
 
 use async_graphql::{
     connection::{self, Connection, Edge, OpaqueCursor},
-    futures_util::{Stream, StreamExt},
+    futures_util::Stream,
     Context, Enum, Error, FieldResult, InputObject, Object, Schema, SimpleObject, Subscription,
     Union,
 };
@@ -642,7 +642,7 @@ impl MutationRoot {
 pub struct SubscriptionRoot;
 #[Subscription]
 impl SubscriptionRoot {
-    async fn values(&self, ctx: &Context<'_>) -> Result<impl Stream<Item = usize>, Error> {
+    async fn values(&self, _ctx: &Context<'_>) -> Result<impl Stream<Item = usize>, Error> {
         Ok(stream::iter(0..10))
     }
 }