chore: checkpoint before Python removal

vendor/md5/benches/lib.rs

@@ -0,0 +1,16 @@
+#![feature(test)]
+
+extern crate md5;
+extern crate test;
+
+#[bench] fn compute_0001000(bencher: &mut test::Bencher) { compute(   1000, bencher); }
+#[bench] fn compute_0010000(bencher: &mut test::Bencher) { compute(  10000, bencher); }
+#[bench] fn compute_0100000(bencher: &mut test::Bencher) { compute( 100000, bencher); }
+#[bench] fn compute_1000000(bencher: &mut test::Bencher) { compute(1000000, bencher); }
+
+fn compute(size: usize, bencher: &mut test::Bencher) {
+    let data = &vec![0xffu8; size][..];
+    bencher.iter(|| {
+        test::black_box(md5::compute(data));
+    });
+}