I wrote a simple data logger that sends measured temperature to two logger service: thingspeak and adafruit.
You can find the code here: https://gist.github.com/8abb4bf8433e61644d82
Thingspeak logging basically worked for >10 hours, although according to logs, board reseted for couple of times (logging interval is 10 minutes). This logging returns an incremental counter as text that I can print to console in response.on('data', ...
Adafruit logger sometimes works sometimes not. It usually logs data, although it doesn't run response.on('data', ...
Normally Adafruit returns a json (parsing is another story)
If both logger are enables, board resets constantly.
I use EspruinoBuilds repo and version Build for 2015-11-18