Updating crates.io index
     Locking 200 packages to latest compatible versions
      Adding criterion v0.5.1 (available: v0.8.2)
      Adding generic-array v0.14.7 (available: v0.14.9)
   Compiling rustzmq2 v0.1.0 (/home/runner/work/rustzmq2/rustzmq2)
    Finished `bench` profile [optimized] target(s) in 20.67s
     Running benches/compare_libzmq.rs (target/release/deps/compare_libzmq-dca6807bdcb04c5b)
Gnuplot not found, using plotters backend
Benchmarking libzmq/push_pull/tcp/16
Benchmarking libzmq/push_pull/tcp/16: Warming up for 2.0000 s
Benchmarking libzmq/push_pull/tcp/16: Collecting 30 samples in estimated 10.006 s (338k iterations)
Benchmarking libzmq/push_pull/tcp/16: Analyzing
libzmq/push_pull/tcp/16 time:   [29.081 µs 29.259 µs 29.441 µs]
                        thrpt:  [530.72 KiB/s 534.02 KiB/s 537.30 KiB/s]
Found 1 outliers among 30 measurements (3.33%)
  1 (3.33%) high mild
Benchmarking libzmq/push_pull/tcp/256
Benchmarking libzmq/push_pull/tcp/256: Warming up for 2.0000 s
Benchmarking libzmq/push_pull/tcp/256: Collecting 30 samples in estimated 10.011 s (332k iterations)
Benchmarking libzmq/push_pull/tcp/256: Analyzing
libzmq/push_pull/tcp/256
                        time:   [29.967 µs 30.174 µs 30.368 µs]
                        thrpt:  [8.0394 MiB/s 8.0910 MiB/s 8.1469 MiB/s]
Found 1 outliers among 30 measurements (3.33%)
  1 (3.33%) high mild
Benchmarking libzmq/push_pull/tcp/4096
Benchmarking libzmq/push_pull/tcp/4096: Warming up for 2.0000 s
Benchmarking libzmq/push_pull/tcp/4096: Collecting 30 samples in estimated 10.013 s (326k iterations)
Benchmarking libzmq/push_pull/tcp/4096: Analyzing
libzmq/push_pull/tcp/4096
                        time:   [30.494 µs 30.657 µs 30.836 µs]
                        thrpt:  [126.68 MiB/s 127.42 MiB/s 128.10 MiB/s]
Benchmarking libzmq/push_pull/tcp/65536
Benchmarking libzmq/push_pull/tcp/65536: Warming up for 2.0000 s
Benchmarking libzmq/push_pull/tcp/65536: Collecting 30 samples in estimated 10.006 s (208k iterations)
Benchmarking libzmq/push_pull/tcp/65536: Analyzing
libzmq/push_pull/tcp/65536
                        time:   [47.592 µs 47.939 µs 48.232 µs]
                        thrpt:  [1.2654 GiB/s 1.2732 GiB/s 1.2825 GiB/s]
Found 4 outliers among 30 measurements (13.33%)
  2 (6.67%) low mild
  2 (6.67%) high mild

Benchmarking libzmq/push_pull/ipc/16
Benchmarking libzmq/push_pull/ipc/16: Warming up for 2.0000 s
Benchmarking libzmq/push_pull/ipc/16: Collecting 30 samples in estimated 10.002 s (422k iterations)
Benchmarking libzmq/push_pull/ipc/16: Analyzing
libzmq/push_pull/ipc/16 time:   [23.787 µs 23.863 µs 23.930 µs]
                        thrpt:  [652.95 KiB/s 654.77 KiB/s 656.87 KiB/s]
Benchmarking libzmq/push_pull/ipc/256
Benchmarking libzmq/push_pull/ipc/256: Warming up for 2.0000 s
Benchmarking libzmq/push_pull/ipc/256: Collecting 30 samples in estimated 10.006 s (405k iterations)
Benchmarking libzmq/push_pull/ipc/256: Analyzing
libzmq/push_pull/ipc/256
                        time:   [24.527 µs 24.608 µs 24.683 µs]
                        thrpt:  [9.8908 MiB/s 9.9214 MiB/s 9.9541 MiB/s]
Found 2 outliers among 30 measurements (6.67%)
  2 (6.67%) high mild
Benchmarking libzmq/push_pull/ipc/4096
Benchmarking libzmq/push_pull/ipc/4096: Warming up for 2.0000 s
Benchmarking libzmq/push_pull/ipc/4096: Collecting 30 samples in estimated 10.001 s (386k iterations)
Benchmarking libzmq/push_pull/ipc/4096: Analyzing
libzmq/push_pull/ipc/4096
                        time:   [25.807 µs 25.905 µs 26.017 µs]
                        thrpt:  [150.14 MiB/s 150.79 MiB/s 151.36 MiB/s]
Benchmarking libzmq/push_pull/ipc/65536
Benchmarking libzmq/push_pull/ipc/65536: Warming up for 2.0000 s
Benchmarking libzmq/push_pull/ipc/65536: Collecting 30 samples in estimated 10.012 s (248k iterations)
Benchmarking libzmq/push_pull/ipc/65536: Analyzing
libzmq/push_pull/ipc/65536
                        time:   [40.010 µs 40.148 µs 40.285 µs]
                        thrpt:  [1.5151 GiB/s 1.5203 GiB/s 1.5255 GiB/s]
Found 2 outliers among 30 measurements (6.67%)
  1 (3.33%) low mild
  1 (3.33%) high mild

Benchmarking libzmq/push_pull/inproc/16
Benchmarking libzmq/push_pull/inproc/16: Warming up for 2.0000 s
Benchmarking libzmq/push_pull/inproc/16: Collecting 30 samples in estimated 10.000 s (64M iterations)
Benchmarking libzmq/push_pull/inproc/16: Analyzing
libzmq/push_pull/inproc/16
                        time:   [159.58 ns 159.79 ns 160.13 ns]
                        thrpt:  [95.288 MiB/s 95.494 MiB/s 95.618 MiB/s]
Found 6 outliers among 30 measurements (20.00%)
  3 (10.00%) high mild
  3 (10.00%) high severe
Benchmarking libzmq/push_pull/inproc/256
Benchmarking libzmq/push_pull/inproc/256: Warming up for 2.0000 s
Benchmarking libzmq/push_pull/inproc/256: Collecting 30 samples in estimated 10.000 s (58M iterations)
Benchmarking libzmq/push_pull/inproc/256: Analyzing
libzmq/push_pull/inproc/256
                        time:   [172.54 ns 172.60 ns 172.66 ns]
                        thrpt:  [1.3808 GiB/s 1.3814 GiB/s 1.3818 GiB/s]
Found 1 outliers among 30 measurements (3.33%)
  1 (3.33%) high severe
Benchmarking libzmq/push_pull/inproc/4096
Benchmarking libzmq/push_pull/inproc/4096: Warming up for 2.0000 s
Benchmarking libzmq/push_pull/inproc/4096: Collecting 30 samples in estimated 10.000 s (28M iterations)
Benchmarking libzmq/push_pull/inproc/4096: Analyzing
libzmq/push_pull/inproc/4096
                        time:   [359.59 ns 359.71 ns 359.84 ns]
                        thrpt:  [10.601 GiB/s 10.605 GiB/s 10.608 GiB/s]
Benchmarking libzmq/push_pull/inproc/65536
Benchmarking libzmq/push_pull/inproc/65536: Warming up for 2.0000 s
Benchmarking libzmq/push_pull/inproc/65536: Collecting 30 samples in estimated 10.001 s (4.0M iterations)
Benchmarking libzmq/push_pull/inproc/65536: Analyzing
libzmq/push_pull/inproc/65536
                        time:   [2.4758 µs 2.4768 µs 2.4783 µs]
                        thrpt:  [24.628 GiB/s 24.643 GiB/s 24.653 GiB/s]
Found 3 outliers among 30 measurements (10.00%)
  3 (10.00%) high severe