create arbiter registry
@@ -68,6 +68,7 @@ impl Arbiter {
HND.with(|cell| *cell.borrow_mut() = Some(core.handle()));
STOP.with(|cell| *cell.borrow_mut() = Some(stop_tx));
NAME.with(|cell| *cell.borrow_mut() = Some(name));
+ REG.with(|cell| *cell.borrow_mut() = Some(Registry::new()));
// system
SYS.with(|cell| *cell.borrow_mut() = Some(sys));
