What does this debug information mean?

I started lutris in debugging mode, launched wine Steam and tried to play world of tanks blitz. The game didn’t start, so I checked in my terminal and copied the debugging results:

DEBUG 2018-04-20 10:19:27,051 [steam]:Detected file change (G_FILE_MONITOR_EVENT_CHANGED) to /home/brian/.local/share/lutris/runners/winesteam/prefix/drive_c/Program Files/Steam/steamapps/appmanifest_444200.acf
DEBUG 2018-04-20 10:19:27,130 [steam]:Detected file change (G_FILE_MONITOR_EVENT_CHANGED) to /home/brian/.local/share/lutris/runners/winesteam/prefix/drive_c/Program Files/Steam/steamapps/appmanifest_444200.acf
DEBUG 2018-04-20 10:19:27,204 [steam]:Detected file change (G_FILE_MONITOR_EVENT_CHANGES_DONE_HINT) to /home/brian/.local/share/lutris/runners/winesteam/prefix/drive_c/Program Files/Steam/steamapps/appmanifest_444200.acf
DEBUG 2018-04-20 10:19:28,434 [thread]:Processes: excluded: control (18165:Z), Steam.exe (18328:S)
DEBUG 2018-04-20 10:19:28,434 [thread]:Cycles without children: 8
DEBUG 2018-04-20 10:19:30,437 [thread]:Processes: excluded: control (18165:Z), Steam.exe (18328:S)
DEBUG 2018-04-20 10:19:30,437 [thread]:Cycles without children: 9
DEBUG 2018-04-20 10:19:32,436 [thread]:Processes: excluded: control (18165:Z), Steam.exe (18328:S)
DEBUG 2018-04-20 10:19:32,437 [thread]:Cycles without children: 10
DEBUG 2018-04-20 10:19:34,438 [thread]:Processes: excluded: control (18165:Z), Steam.exe (18328:S)
DEBUG 2018-04-20 10:19:34,439 [thread]:Cycles without children: 11
DEBUG 2018-04-20 10:19:36,438 [thread]:Processes: excluded: control (18165:Z), Steam.exe (18328:S)
DEBUG 2018-04-20 10:19:36,438 [thread]:Cycles without children: 12
DEBUG 2018-04-20 10:19:38,434 [thread]:Processes: excluded: control (18165:Z), Steam.exe (18328:S)
DEBUG 2018-04-20 10:19:38,435 [thread]:Cycles without children: 13
DEBUG 2018-04-20 10:19:40,439 [thread]:Processes: excluded: control (18165:Z), Steam.exe (18328:S)
DEBUG 2018-04-20 10:19:40,440 [thread]:Cycles without children: 14
DEBUG 2018-04-20 10:19:42,442 [thread]:Processes: excluded: control (18165:Z), Steam.exe (18328:S)
DEBUG 2018-04-20 10:19:42,442 [thread]:Cycles without children: 15
DEBUG 2018-04-20 10:19:44,441 [thread]:Processes: excluded: control (18165:Z), Steam.exe (18328:S)
DEBUG 2018-04-20 10:19:44,441 [thread]:Cycles without children: 16
DEBUG 2018-04-20 10:19:46,448 [thread]:Processes: excluded: control (18165:Z), Steam.exe (18328:S)
DEBUG 2018-04-20 10:19:46,449 [thread]:Cycles without children: 17
DEBUG 2018-04-20 10:19:48,445 [thread]:Processes: excluded: control (18165:Z), Steam.exe (18328:S)
DEBUG 2018-04-20 10:19:48,445 [thread]:Cycles without children: 18
DEBUG 2018-04-20 10:19:50,442 [thread]:Processes: excluded: control (18165:Z), Steam.exe (18328:S)
DEBUG 2018-04-20 10:19:50,442 [thread]:Cycles without children: 19
DEBUG 2018-04-20 10:19:52,449 [thread]:Processes: excluded: control (18165:Z), Steam.exe (18328:S)
DEBUG 2018-04-20 10:19:52,449 [thread]:Cycles without children: 20
DEBUG 2018-04-20 10:19:52,449 [thread]:Maximum number of cycles without children reached
DEBUG 2018-04-20 10:19:52,449 [thread]:Restoring environment
DEBUG 2018-04-20 10:19:52,450 [thread]:Some processes are still active (2)