Properly report panic by resuming unwind

crates/lb/src/lib.rs

@@ -1,12 +1,12 @@
 //! luby standard library
 #![warn(missing_docs)]
-pub mod runtime;
-
 #[cfg(feature = "task")]
 pub mod chan;
 #[cfg(feature = "fs")]
 pub mod fs;
 #[cfg(feature = "net")]
 pub mod net;
+#[cfg(feature = "runtime")]
+pub mod runtime;
 #[cfg(feature = "task")]
 pub mod task;