cargo bench

     Running benches/basic_usage.rs (/home/luis/Dev/ooni/anonymous_credentials/userauth/target/release/deps/basic_usage-ebe1afc275580189)
Gnuplot not found, using plotters backend
registration            time:   [3.1657 ms 3.1783 ms 3.1918 ms]
                        change: [-6.4979% -4.7260% -3.0780%] (p = 0.00 < 0.05)
                        Performance has improved.
Found 4 outliers among 100 measurements (4.00%)
  3 (3.00%) high mild
  1 (1.00%) high severe

submit                  time:   [25.605 ms 25.851 ms 26.111 ms]
                        change: [-0.3883% +0.6692% +1.7509%] (p = 0.22 > 0.05)
                        No change in performance detected.
Found 1 outliers among 100 measurements (1.00%)
  1 (1.00%) high mild