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-rw-r--r--src/libproc_macro/bridge/scoped_cell.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libproc_macro/bridge/scoped_cell.rs b/src/libproc_macro/bridge/scoped_cell.rs
index 89fb7070015..2cde1f65adf 100644
--- a/src/libproc_macro/bridge/scoped_cell.rs
+++ b/src/libproc_macro/bridge/scoped_cell.rs
@@ -5,6 +5,7 @@ use std::mem;
 use std::ops::{Deref, DerefMut};
 
 /// Type lambda application, with a lifetime.
+#[allow(unused_lifetimes)]
 pub trait ApplyL<'a> {
     type Out;
 }