move field

tokio/src/runtime/builder.rs

@@ -85,13 +85,13 @@ pub struct Builder {
     /// How many ticks before yielding to the driver for timer and I/O events?
     pub(super) event_interval: u32,
 
-    #[cfg(tokio_unstable)]
-    pub(super) unhandled_panic: UnhandledPanic,
-
     /// When true, the multi-threade scheduler LIFO slot should not be used.
     ///
     /// This option should only be exposed as unstable.
     pub(super) disable_lifo_slot: bool,
+
+    #[cfg(tokio_unstable)]
+    pub(super) unhandled_panic: UnhandledPanic,
 }
 
 cfg_unstable! {

tokio/src/runtime/config.rs

@@ -13,10 +13,6 @@ pub(crate) struct Config {
     /// Callback for a worker unparking itself
     pub(crate) after_unpark: Option<Callback>,
 
-    #[cfg(tokio_unstable)]
-    /// How to respond to unhandled task panics.
-    pub(crate) unhandled_panic: crate::runtime::UnhandledPanic,
-
     /// The multi-threaded scheduler includes a per-worker LIFO slot used to
     /// store the last scheduled task. This can improve certain usage patterns,
     /// especially message passing between tasks. However, this LIFO slot is not
@@ -25,4 +21,8 @@ pub(crate) struct Config {
     /// Eventually, the LIFO slot **will** become stealable, however as a
     /// stop-gap, this unstable option lets users disable the LIFO task.
     pub(crate) disable_lifo_slot: bool,
+
+    #[cfg(tokio_unstable)]
+    /// How to respond to unhandled task panics.
+    pub(crate) unhandled_panic: crate::runtime::UnhandledPanic,
 }