Clippy fixes after Rust update

swap/src/bin/asb.rs

@@ -257,7 +257,7 @@ async fn register_tor_services(
                 }
             })
         })
-        .filter_map(|details| details)
+        .flatten()
         .collect::<Vec<_>>();
 
     let key = seed.derive_torv3_key();

swap/src/protocol/alice/state.rs

@@ -274,11 +274,11 @@ impl State2 {
         // recover(encsign(a, S_b, d), sign(a, d), S_b) = s_b where d is a digest, (a,
         // A) is alice's keypair and (s_b, S_b) is bob's keypair.
         let tx_refund_encsig = self.a.encsign(self.S_b_bitcoin, tx_refund.digest());
-
         let tx_cancel_sig = self.a.sign(tx_cancel.digest());
+
         Message3 {
-            tx_refund_encsig,
             tx_cancel_sig,
+            tx_refund_encsig,
         }
     }
 

swap/src/protocol/bob/state.rs

@@ -139,7 +139,7 @@ impl State0 {
         let valid = CROSS_CURVE_PROOF_SYSTEM.verify(
             &msg.dleq_proof_s_a,
             (
-                msg.S_a_bitcoin.clone().into(),
+                msg.S_a_bitcoin.into(),
                 msg.S_a_monero
                     .point
                     .decompress()

tokio-tar/src/header.rs

@@ -516,11 +516,7 @@ impl Header {
     pub fn username_bytes(&self) -> Option<&[u8]> {
         if let Some(ustar) = self.as_ustar() {
             Some(ustar.username_bytes())
-        } else if let Some(gnu) = self.as_gnu() {
-            Some(gnu.username_bytes())
-        } else {
-            None
-        }
+        } else { self.as_gnu().map(|gnu| gnu.username_bytes()) }
     }
 
     /// Sets the username inside this header.
@@ -558,10 +554,8 @@ impl Header {
     pub fn groupname_bytes(&self) -> Option<&[u8]> {
         if let Some(ustar) = self.as_ustar() {
             Some(ustar.groupname_bytes())
-        } else if let Some(gnu) = self.as_gnu() {
-            Some(gnu.groupname_bytes())
         } else {
-            None
+            self.as_gnu().map(|gnu| gnu.groupname_bytes())
         }
     }