diff --git a/src/test/bench/pingpong.rs b/src/test/bench/pingpong.rs
index 11d7545e175..c09d277e382 100644
--- a/src/test/bench/pingpong.rs
+++ b/src/test/bench/pingpong.rs
@@ -10,6 +10,10 @@
 
 // Compare bounded and unbounded protocol performance.
 
+#[allow(structural_records)]; // Pipes
+// Until a snapshot
+// xfail-pretty
+ 
 extern mod std;
 
 use pipes::{spawn_service, recv};
diff --git a/src/test/bench/task-perf-word-count-generic.rs b/src/test/bench/task-perf-word-count-generic.rs
index a8174143146..21709a487e8 100644
--- a/src/test/bench/task-perf-word-count-generic.rs
+++ b/src/test/bench/task-perf-word-count-generic.rs
@@ -20,6 +20,8 @@
 
 // xfail-pretty
 
+#[allow(structural_records)]; // Pipes
+
 extern mod std;
 
 use core::option;