1 files changed, 1 insertions, 1 deletions
diff --git a/src/libextra/sha1.rs b/src/libextra/sha1.rs
index 8910442849e..7b38c031774 100644
--- a/src/libextra/sha1.rs
+++ b/src/libextra/sha1.rs
@@ -295,7 +295,7 @@ mod tests {
             let mut i = 0;
             let mut rs = ~"";
             while i < 100000 {
-                str::push_str(&mut rs, ~"aaaaaaaaaa");
+                rs.push_str("aaaaaaaaaa");
                 i += 1;
             }
             return rs;