Keep onto intermediate values until the client is destroyed

internal/api/rust/rust.go

@@ -50,6 +50,8 @@ type RustRoomInfo struct {
 type RustClient struct {
 	FFIClient             *matrix_sdk_ffi.Client
 	roomsListener         *RoomsListener
+	entriesController     *matrix_sdk_ffi.RoomListDynamicEntriesController
+	entriesAdapters       *matrix_sdk_ffi.RoomListEntriesWithDynamicAdaptersResult
 	allRooms              *matrix_sdk_ffi.RoomList
 	rooms                 map[string]*RustRoomInfo
 	roomsMu               *sync.RWMutex
@@ -287,6 +289,14 @@ func (c *RustClient) Close(t ct.TestLike) {
 		}
 	}
 	c.roomsMu.Unlock()
+	if c.entriesController != nil {
+		c.entriesController.Destroy()
+		c.entriesController = nil
+	}
+	if c.entriesAdapters != nil {
+		c.entriesAdapters.Destroy()
+		c.entriesAdapters = nil
+	}
 	c.FFIClient.Destroy()
 	c.FFIClient = nil
 	if c.notifClient != nil {
@@ -400,8 +410,8 @@ func (c *RustClient) StartSyncing(t ct.TestLike) (stopSyncing func(), err error)
 	entriesAdapters := c.allRooms.EntriesWithDynamicAdapters(1000, allRoomsListener)
 	entriesController := entriesAdapters.Controller()
 	entriesController.SetFilter(matrix_sdk_ffi.RoomListEntriesDynamicFilterKindNonLeft{})
-	entriesController.Destroy()
-	entriesAdapters.Destroy()
+	c.entriesController = entriesController
+	c.entriesAdapters = entriesAdapters
 
 	isSyncing := false