rt: simplify rt-* features (#2949)

tokio:

    merge rt-core and rt-util as rt
    rename rt-threaded to rt-multi-thread

tokio-util:

    rename rt-core to rt

Closes #2942

1 files changed, 3 insertions, 3 deletions

diff --git a/tokio/src/time/driver/handle.rs b/tokio/src/time/driver/handle.rs
index 93d8cd7b..54b8a8bd 100644
--- a/tokio/src/time/driver/handle.rs
+++ b/tokio/src/time/driver/handle.rs
@@ -20,7 +20,7 @@ impl Handle {
     }
 }
 
-cfg_rt_core! {
+cfg_rt! {
     impl Handle {
         /// Tries to get a handle to the current timer.
         ///
@@ -45,7 +45,7 @@ cfg_rt_core! {
     }
 }
 
-cfg_not_rt_core! {
+cfg_not_rt! {
     impl Handle {
         /// Tries to get a handle to the current timer.
         ///
@@ -65,7 +65,7 @@ cfg_not_rt_core! {
         /// panicking.
         pub(crate) fn current() -> Self {
             panic!("there is no timer running, must be called from the context of Tokio runtime or \
-            `rt-core` is not enabled")
+            `rt` is not enabled")
         }
     }
 }