1:main┐concurrent_verbose::hierarchical-example version=0.1
1:main└───┐concurrent_verbose::server host="localhost", port=8080
1:main    ├─── INFO concurrent_verbose starting
1:main    ├─── INFO concurrent_verbose listening
1:main    ├─── DEBUG concurrent_verbose starting countdowns
1:main    └─┐concurrent_verbose::server host="localhost", port=8080
1:main      └─┐concurrent_verbose::countdowns 
1:main        └───┐concurrent_verbose::countdown_a 
1:main            ├─── DEBUG concurrent_verbose polling countdown, label="a", count=3
1:main        └─┐concurrent_verbose::countdowns 
1:main          └─┐concurrent_verbose::countdown_b 
1:main            ├─── DEBUG concurrent_verbose polling countdown, label="b", count=5
1:main            ├─── DEBUG concurrent_verbose polling countdown, label="b", count=4
1:main        └─┐concurrent_verbose::countdowns 
1:main          └─┐concurrent_verbose::countdown_a 
1:main            ├─── DEBUG concurrent_verbose polling countdown, label="a", count=2
1:main    └─┐concurrent_verbose::server host="localhost", port=8080
1:main      └─┐concurrent_verbose::conn peer_addr="82.9.9.9", port=42381
1:main        ├─── WARN concurrent_verbose peer1 warning
1:main    └─┐concurrent_verbose::server host="localhost", port=8080
1:main      └─┐concurrent_verbose::countdowns 
1:main        ├─── INFO concurrent_verbose finished polling countdowns
1:main          ┌─┘concurrent_verbose::countdown_b 
1:main        ┌─┘concurrent_verbose::countdowns 
1:main          ┌─┘concurrent_verbose::countdown_a 
1:main        ┌─┘concurrent_verbose::countdowns 
1:main      ┌─┘concurrent_verbose::countdowns 
1:main    ┌─┘concurrent_verbose::server host="localhost", port=8080
1:main      ┌─┘concurrent_verbose::conn peer_addr="82.9.9.9", port=42381
1:main    ┌─┘concurrent_verbose::server host="localhost", port=8080
1:main    ├─── INFO concurrent_verbose all done!
1:main    ├─── INFO concurrent_verbose exit
1:main  ┌─┘concurrent_verbose::server host="localhost", port=8080
1:main┌─┘concurrent_verbose::hierarchical-example version=0.1
1:main┘concurrent_verbose::hierarchical-example version=0.1