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-rw-r--r--src/libstd/test.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libstd/test.rs b/src/libstd/test.rs
index bb90b783444..71cbc0d7a6a 100644
--- a/src/libstd/test.rs
+++ b/src/libstd/test.rs
@@ -412,7 +412,7 @@ fn run_tests(opts: &TestOpts,
              callback: @fn(e: TestEvent)) {
 
     let filtered_tests = filter_tests(opts, tests);
-    let filtered_descs = filtered_tests.map(|t| t.desc);
+    let filtered_descs = filtered_tests.map(|t| copy t.desc);
 
     callback(TeFiltered(filtered_descs));