diff --git a/buck2_common/src/result.rs b/buck2_common/src/result.rs
index e18d49c27ad5..106c5d46a363 100644
--- a/buck2_common/src/result.rs
+++ b/buck2_common/src/result.rs
@@ -68,10 +68,6 @@ impl std::error::Error for SharedError {
         self.0.source()
     }
 
-    fn backtrace(&self) -> Option<&std::backtrace::Backtrace> {
-        Some(self.0.backtrace())
-    }
-
     fn cause(&self) -> Option<&dyn std::error::Error> {
         #[allow(deprecated)]
         self.0.cause()
diff --git a/rust-toolchain b/rust-toolchain
index 58286cc60688..8863be80c196 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2022-06-25"
+channel = "nightly-2022-08-06"
 components = ["llvm-tools-preview","rustc-dev"]