#11831 Port pantsd client to rust. Issue created by jsirois This saves us ~500ms on my machine:

$ hyperfine -w 2 './pants --no-anonymous-telemetry-enabled -V' 'nails-client 0.0.0.0:$(cat .pids/1fd8a12b4fc1/pantsd/socket) does-not-matter --no-anonymous-telemetry-enabled -V'
Benchmark #1: ./pants --no-anonymous-telemetry-enabled -V
  Time (mean ± σ):     700.7 ms ±  11.5 ms    [User: 483.5 ms, System: 45.2 ms]
  Range (min … max):   688.7 ms … 722.2 ms    10 runs
 
Benchmark #2: nails-client 0.0.0.0:$(cat .pids/1fd8a12b4fc1/pantsd/socket) does-not-matter --no-anonymous-telemetry-enabled -V
  Time (mean ± σ):     178.1 ms ±   4.6 ms    [User: 2.8 ms, System: 1.5 ms]
  Range (min … max):   173.4 ms … 193.3 ms    16 runs
 
Summary
  'nails-client 0.0.0.0:$(cat .pids/1fd8a12b4fc1/pantsd/socket) does-not-matter --no-anonymous-telemetry-enabled -V' ran
    3.93 ± 0.12 times faster than './pants --no-anonymous-telemetry-enabled -V'

pantsbuild/pants