Box large futures

crates/pop3/src/client.rs

@@ -100,11 +100,11 @@ impl<T: SessionStream> Session<T> {
                                 } else {
                                     unreachable!()
                                 };
-                            self.handle_auth(Credentials::Basic {
+                            Box::pin(self.handle_auth(Credentials::Basic {
                                 username,
                                 secret: string,
                                 mfa_token: None,
-                            })
+                            }))
                             .await
                             .map(|_| SessionResult::Continue)
                         }
@@ -147,10 +147,11 @@ impl<T: SessionStream> Session<T> {
                             self.handle_stls().await.map(|_| SessionResult::UpgradeTls)
                         }
                         Command::Utf8 => self.handle_utf8().await.map(|_| SessionResult::Continue),
-                        Command::Auth { mechanism, params } => self
-                            .handle_sasl(mechanism, params)
-                            .await
-                            .map(|_| SessionResult::Continue),
+                        Command::Auth { mechanism, params } => Box::pin(
+                            self.handle_sasl(mechanism, params),
+                        )
+                        .await
+                        .map(|_| SessionResult::Continue),
                         Command::Apop { .. } => Err(trc::Pop3Event::Error
                             .into_err()
                             .details("APOP not supported.")),

crates/pop3/src/lib.rs

@@ -4,6 +4,8 @@
  * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-SEL
  */
 
+#![deny(clippy::large_futures)]
+
 use std::{net::IpAddr, sync::Arc};
 
 use common::{

crates/pop3/src/op/authenticate.rs

@@ -39,7 +39,7 @@ impl<T: SessionStream> Session<T> {
                                 .details("Invalid SASL challenge")
                         })?;
 
-                    self.handle_auth(credentials).await
+                    Box::pin(self.handle_auth(credentials)).await
                 } else {
                     // TODO: This hack is temporary until the SASL library is developed
                     self.receiver.state = request::State::Argument {