diff --git a/src/runtime2/communication.rs b/src/runtime2/communication.rs
index 7be0b8b8ec97bb4981dccfaab90c50de37fcba94..f563446fba8df70db1e867ae1f42ab2d0d0c9b80 100644
--- a/src/runtime2/communication.rs
+++ b/src/runtime2/communication.rs
@@ -111,6 +111,7 @@ pub struct SyncSolutionGetterPort {
     pub peer_comp_id: CompId,
     pub peer_port_id: PortId,
     pub mapping: u32,
+    pub failed: bool,
 }
 
 /// Putter port in a solution. A putter may not be certain about who its peer
@@ -120,6 +121,7 @@ pub struct SyncSolutionPutterPort {
     pub self_comp_id: CompId,
     pub self_port_id: PortId,
     pub mapping: u32,
+    pub failed: bool,
 }
 
 #[derive(Debug)]
@@ -181,7 +183,7 @@ pub enum ControlMessageContent {
     PortPeerChangedUnblock(PortId, CompId),
 }
 
-#[derive(Debug)]
+#[derive(Copy, Clone, Debug)]
 pub struct ControlMessageClosePort {
     pub port_to_close: PortId, // ID of the receiving port
     pub closed_in_sync_round: bool, // needed to ensure correct handling of errors