Corrected for cargo update.

src/main.rs

@@ -1,5 +1,4 @@
 use axum::{
-    async_trait,
     extract::{Extension, FromRequestParts, State},
     http::request::Parts,
     response::IntoResponse,
@@ -45,7 +44,7 @@ async fn main() {
 async fn create_app(state: MoreThanText) -> Router {
     Router::new()
         .route("/", get(mtt_conn))
-        .route("/api/:document", post(mtt_conn))
+        .route("/api/{document}", post(mtt_conn))
         .layer(CookieManagerLayer::new())
         .layer(Extension(state.clone()))
         .with_state(state)
@@ -54,7 +53,6 @@ async fn create_app(state: MoreThanText) -> Router {
 #[derive(Clone)]
 struct SessionID(Uuid);
 
-#[async_trait]
 impl<S> FromRequestParts<S> for SessionID
 where
     S: Send + Sync,