Deny bare trait objects in `src/libstd`.

3 files changed, 7 insertions, 7 deletions

diff --git a/src/libstd/sync/mpsc/mod.rs b/src/libstd/sync/mpsc/mod.rs
index 2dd3aebe610..1dc0b1c0042 100644
--- a/src/libstd/sync/mpsc/mod.rs
+++ b/src/libstd/sync/mpsc/mod.rs
@@ -1638,7 +1638,7 @@ impl<T: Send> error::Error for SendError<T> {
         "sending on a closed channel"
     }
 
-    fn cause(&self) -> Option<&error::Error> {
+    fn cause(&self) -> Option<&dyn error::Error> {
         None
     }
 }
@@ -1681,7 +1681,7 @@ impl<T: Send> error::Error for TrySendError<T> {
         }
     }
 
-    fn cause(&self) -> Option<&error::Error> {
+    fn cause(&self) -> Option<&dyn error::Error> {
         None
     }
 }
@@ -1709,7 +1709,7 @@ impl error::Error for RecvError {
         "receiving on a closed channel"
     }
 
-    fn cause(&self) -> Option<&error::Error> {
+    fn cause(&self) -> Option<&dyn error::Error> {
         None
     }
 }
@@ -1742,7 +1742,7 @@ impl error::Error for TryRecvError {
         }
     }
 
-    fn cause(&self) -> Option<&error::Error> {
+    fn cause(&self) -> Option<&dyn error::Error> {
         None
     }
 }
@@ -1783,7 +1783,7 @@ impl error::Error for RecvTimeoutError {
         }
     }
 
-    fn cause(&self) -> Option<&error::Error> {
+    fn cause(&self) -> Option<&dyn error::Error> {
         None
     }
 }
diff --git a/src/libstd/sync/mpsc/select.rs b/src/libstd/sync/mpsc/select.rs
index 9310dad9172..a7a284cfb79 100644
--- a/src/libstd/sync/mpsc/select.rs
+++ b/src/libstd/sync/mpsc/select.rs
@@ -93,7 +93,7 @@ pub struct Handle<'rx, T:Send+'rx> {
     next: *mut Handle<'static, ()>,
     prev: *mut Handle<'static, ()>,
     added: bool,
-    packet: &'rx (Packet+'rx),
+    packet: &'rx (dyn Packet+'rx),
 
     // due to our fun transmutes, we be sure to place this at the end. (nothing
     // previous relies on T)
diff --git a/src/libstd/sync/once.rs b/src/libstd/sync/once.rs
index 7eb7be23128..1c63f99753a 100644
--- a/src/libstd/sync/once.rs
+++ b/src/libstd/sync/once.rs
@@ -301,7 +301,7 @@ impl Once {
     #[cold]
     fn call_inner(&'static self,
                   ignore_poisoning: bool,
-                  init: &mut FnMut(bool)) {
+                  init: &mut dyn FnMut(bool)) {
         let mut state = self.state.load(Ordering::SeqCst);
 
         'outer: loop {