Not get the correct username when started in crontab

[schemacs]

crontab entry is as following:

@reboot /usr/local/bin/onedrive-d start >/dev/null

From pi@raspberrypi  Sun Jun 28 04:48:58 2015
Return-Path: <pi@raspberrypi>
X-Original-To: pi
Delivered-To: pi@raspberrypi
Received: by raspberrypi (Postfix, from userid 1000)
    id 66AF940854; Sun, 28 Jun 2015 04:48:58 +0000 (UTC)
From: root@raspberrypi (Cron Daemon)
To: pi@raspberrypi
Subject: Cron <pi@raspberrypi> /usr/local/bin/onedrive-d start >/dev/null
Content-Type: text/plain; charset=UTF-8
X-Cron-Env: <SHELL=/bin/sh>
X-Cron-Env: <HOME=/home/pi>
X-Cron-Env: <PATH=/usr/bin:/bin>
X-Cron-Env: <LOGNAME=pi>
Message-Id: <20150628044858.66AF940854@raspberrypi>
Date: Sun, 28 Jun 2015 04:48:58 +0000 (UTC)

[2015-06-28 04:48:58,215] CRITICAL: MainThread: cannot find current logged-in user.

The code in ondriver_d/od_glob.py should also check LOGNAME environment key.