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 18.36s
     Running benches/compare_libzmq.rs (target/release/deps/compare_libzmq-dca6807bdcb04c5b)
Gnuplot not found, using plotters backend
Benchmarking libzmq/req_rep/tcp/16
Benchmarking libzmq/req_rep/tcp/16: Warming up for 2.0000 s
Benchmarking libzmq/req_rep/tcp/16: Collecting 30 samples in estimated 10.003 s (175k iterations)
Benchmarking libzmq/req_rep/tcp/16: Analyzing
libzmq/req_rep/tcp/16   time:   [56.884 µs 57.113 µs 57.363 µs]
                        thrpt:  [272.39 KiB/s 273.58 KiB/s 274.68 KiB/s]
Benchmarking libzmq/req_rep/tcp/256
Benchmarking libzmq/req_rep/tcp/256: Warming up for 2.0000 s
Benchmarking libzmq/req_rep/tcp/256: Collecting 30 samples in estimated 10.003 s (171k iterations)
Benchmarking libzmq/req_rep/tcp/256: Analyzing
libzmq/req_rep/tcp/256  time:   [58.696 µs 59.002 µs 59.322 µs]
                        thrpt:  [4.1155 MiB/s 4.1378 MiB/s 4.1594 MiB/s]
Found 2 outliers among 30 measurements (6.67%)
  2 (6.67%) high mild
Benchmarking libzmq/req_rep/tcp/4096
Benchmarking libzmq/req_rep/tcp/4096: Warming up for 2.0000 s
Benchmarking libzmq/req_rep/tcp/4096: Collecting 30 samples in estimated 10.026 s (162k iterations)
Benchmarking libzmq/req_rep/tcp/4096: Analyzing
libzmq/req_rep/tcp/4096 time:   [61.104 µs 61.546 µs 62.004 µs]
                        thrpt:  [63.000 MiB/s 63.469 MiB/s 63.927 MiB/s]
Benchmarking libzmq/req_rep/tcp/65536
Benchmarking libzmq/req_rep/tcp/65536: Warming up for 2.0000 s
Benchmarking libzmq/req_rep/tcp/65536: Collecting 30 samples in estimated 10.004 s (98k iterations)
Benchmarking libzmq/req_rep/tcp/65536: Analyzing
libzmq/req_rep/tcp/65536
                        time:   [100.57 µs 101.06 µs 101.58 µs]
                        thrpt:  [615.27 MiB/s 618.45 MiB/s 621.46 MiB/s]
Found 1 outliers among 30 measurements (3.33%)
  1 (3.33%) high mild

Benchmarking libzmq/req_rep/ipc/16
Benchmarking libzmq/req_rep/ipc/16: Warming up for 2.0000 s
Benchmarking libzmq/req_rep/ipc/16: Collecting 30 samples in estimated 10.019 s (201k iterations)
Benchmarking libzmq/req_rep/ipc/16: Analyzing
libzmq/req_rep/ipc/16   time:   [49.729 µs 49.927 µs 50.130 µs]
                        thrpt:  [311.69 KiB/s 312.96 KiB/s 314.21 KiB/s]
Benchmarking libzmq/req_rep/ipc/256
Benchmarking libzmq/req_rep/ipc/256: Warming up for 2.0000 s
Benchmarking libzmq/req_rep/ipc/256: Collecting 30 samples in estimated 10.011 s (193k iterations)
Benchmarking libzmq/req_rep/ipc/256: Analyzing
libzmq/req_rep/ipc/256  time:   [52.074 µs 52.321 µs 52.543 µs]
                        thrpt:  [4.6465 MiB/s 4.6662 MiB/s 4.6883 MiB/s]
Benchmarking libzmq/req_rep/ipc/4096
Benchmarking libzmq/req_rep/ipc/4096: Warming up for 2.0000 s
Benchmarking libzmq/req_rep/ipc/4096: Collecting 30 samples in estimated 10.023 s (180k iterations)
Benchmarking libzmq/req_rep/ipc/4096: Analyzing
libzmq/req_rep/ipc/4096 time:   [55.011 µs 55.200 µs 55.362 µs]
                        thrpt:  [70.558 MiB/s 70.766 MiB/s 71.008 MiB/s]
Benchmarking libzmq/req_rep/ipc/65536
Benchmarking libzmq/req_rep/ipc/65536: Warming up for 2.0000 s
Benchmarking libzmq/req_rep/ipc/65536: Collecting 30 samples in estimated 10.034 s (118k iterations)
Benchmarking libzmq/req_rep/ipc/65536: Analyzing
libzmq/req_rep/ipc/65536
                        time:   [84.697 µs 85.079 µs 85.492 µs]
                        thrpt:  [731.06 MiB/s 734.61 MiB/s 737.93 MiB/s]

Benchmarking libzmq/req_rep/inproc/16
Benchmarking libzmq/req_rep/inproc/16: Warming up for 2.0000 s
Benchmarking libzmq/req_rep/inproc/16: Collecting 30 samples in estimated 10.009 s (458k iterations)
Benchmarking libzmq/req_rep/inproc/16: Analyzing
libzmq/req_rep/inproc/16
                        time:   [21.656 µs 21.885 µs 22.106 µs]
                        thrpt:  [706.82 KiB/s 713.95 KiB/s 721.51 KiB/s]
Benchmarking libzmq/req_rep/inproc/256
Benchmarking libzmq/req_rep/inproc/256: Warming up for 2.0000 s
Benchmarking libzmq/req_rep/inproc/256: Collecting 30 samples in estimated 10.004 s (453k iterations)
Benchmarking libzmq/req_rep/inproc/256: Analyzing
libzmq/req_rep/inproc/256
                        time:   [22.086 µs 22.216 µs 22.362 µs]
                        thrpt:  [10.918 MiB/s 10.990 MiB/s 11.054 MiB/s]
Found 1 outliers among 30 measurements (3.33%)
  1 (3.33%) high severe
Benchmarking libzmq/req_rep/inproc/4096
Benchmarking libzmq/req_rep/inproc/4096: Warming up for 2.0000 s
Benchmarking libzmq/req_rep/inproc/4096: Collecting 30 samples in estimated 10.001 s (420k iterations)
Benchmarking libzmq/req_rep/inproc/4096: Analyzing
libzmq/req_rep/inproc/4096
                        time:   [23.712 µs 23.857 µs 23.997 µs]
                        thrpt:  [162.78 MiB/s 163.74 MiB/s 164.74 MiB/s]
Benchmarking libzmq/req_rep/inproc/65536
Benchmarking libzmq/req_rep/inproc/65536: Warming up for 2.0000 s
Benchmarking libzmq/req_rep/inproc/65536: Collecting 30 samples in estimated 10.010 s (319k iterations)
Benchmarking libzmq/req_rep/inproc/65536: Analyzing
libzmq/req_rep/inproc/65536
                        time:   [31.529 µs 31.752 µs 32.002 µs]
                        thrpt:  [1.9072 GiB/s 1.9223 GiB/s 1.9358 GiB/s]
Found 3 outliers among 30 measurements (10.00%)
  3 (10.00%) high mild