Backup doesnot start. Loop in resumption

I’m using Google Drive for backing up both database and files but it always loops in resumption. My entire log is below:

0000.000 (0) Opened log file at time: Sat, 23 Aug 2014 17:28:56 +0000 on https://www.mininguys.com
0000.084 (0) UpdraftPlus WordPress backup plugin (https://updraftplus.com): 1.9.19 WP: 3.9.2 PHP: 5.5.3-1ubuntu2.3 (Linux shop 2.6.32-042stab084.14 #1 SMP Mon Dec 16 18:16:56 MSK 2013 i686) MySQL:  Server: nginx/1.4.1 safe_mode: 0 max_execution_time: 900 memory_limit: 256M (used: 7M | 7.3M) multisite: N mcrypt: Y LANG:  ZipArchive::addFile: Y
0000.085 (0) Free space on disk containing Updraft's temporary directory: 24497.2 Mb
0000.138 (0) Tasks: Backup files: 1 (schedule: daily) Backup DB:  (schedule: daily)
0000.138 (0) Processed schedules. Tasks now: Backup files: 1 Backup DB: 1
0000.150 (0) Requesting semaphore lock (fd)
0000.151 (0) Set semaphore last lock (fd) time to 2014-08-23 17:28:56
0000.152 (0) Semaphore lock (fd) complete
0000.154 (0) Backup run: resumption=0, nonce=3c0eecd1fc84, begun at=1408814936 (0s ago), job type=backup
0000.156 (0) Scheduling a resumption (1) after 300 seconds (1408815236) in case this run gets aborted
0301.427 (1) Opened log file at time: Sat, 23 Aug 2014 17:33:57 +0000 on https://www.mininguys.com
0301.447 (1) UpdraftPlus WordPress backup plugin (https://updraftplus.com): 1.9.19 WP: 3.9.2 PHP: 5.5.3-1ubuntu2.3 (Linux shop 2.6.32-042stab084.14 #1 SMP Mon Dec 16 18:16:56 MSK 2013 i686) MySQL:  Server: nginx/1.4.1 safe_mode: 0 max_execution_time: 900 memory_limit: 256M (used: 7M | 7.3M) multisite: N mcrypt: Y LANG:  ZipArchive::addFile: Y
0301.448 (1) Free space on disk containing Updraft's temporary directory: 24497.2 Mb
0301.449 (1) Backup run: resumption=1, nonce=3c0eecd1fc84, begun at=1408814936 (301s ago), job type=backup
0301.450 (1) Scheduling a resumption (2) after 300 seconds (1408815537) in case this run gets aborted
0602.846 (2) Opened log file at time: Sat, 23 Aug 2014 17:38:59 +0000 on https://www.mininguys.com
0602.848 (2) UpdraftPlus WordPress backup plugin (https://updraftplus.com): 1.9.19 WP: 3.9.2 PHP: 5.5.3-1ubuntu2.3 (Linux shop 2.6.32-042stab084.14 #1 SMP Mon Dec 16 18:16:56 MSK 2013 i686) MySQL:  Server: nginx/1.4.1 safe_mode: 0 max_execution_time: 900 memory_limit: 256M (used: 7M | 7.3M) multisite: N mcrypt: Y LANG:  ZipArchive::addFile: Y
0602.850 (2) Free space on disk containing Updraft's temporary directory: 24497.1 Mb
0602.851 (2) Backup run: resumption=2, nonce=3c0eecd1fc84, begun at=1408814936 (603s ago), job type=backup
0602.852 (2) Scheduling a resumption (3) after 300 seconds (1408815839) in case this run gets aborted
1085.726 (3) Opened log file at time: Sat, 23 Aug 2014 17:47:01 +0000 on https://www.mininguys.com
1085.760 (3) UpdraftPlus WordPress backup plugin (https://updraftplus.com): 1.9.19 WP: 3.9.2 PHP: 5.5.3-1ubuntu2.3 (Linux shop 2.6.32-042stab084.14 #1 SMP Mon Dec 16 18:16:56 MSK 2013 i686) MySQL:  Server: nginx/1.4.1 safe_mode: 0 max_execution_time: 900 memory_limit: 256M (used: 7M | 7.3M) multisite: N mcrypt: Y LANG:  ZipArchive::addFile: Y
1085.761 (3) Free space on disk containing Updraft's temporary directory: 24497.1 Mb
1085.762 (3) Backup run: resumption=3, nonce=3c0eecd1fc84, begun at=1408814936 (1085s ago), job type=backup
1085.764 (3) Scheduling a resumption (4) after 300 seconds (1408816321) in case this run gets aborted
1447.731 (4) Opened log file at time: Sat, 23 Aug 2014 17:53:03 +0000 on https://www.mininguys.com
1447.740 (4) UpdraftPlus WordPress backup plugin (https://updraftplus.com): 1.9.19 WP: 3.9.2 PHP: 5.5.3-1ubuntu2.3 (Linux shop 2.6.32-042stab084.14 #1 SMP Mon Dec 16 18:16:56 MSK 2013 i686) MySQL:  Server: nginx/1.4.1 safe_mode: 0 max_execution_time: 900 memory_limit: 256M (used: 7M | 7.3M) multisite: N mcrypt: Y LANG:  ZipArchive::addFile: Y
1447.765 (4) Free space on disk containing Updraft's temporary directory: 24497.1 Mb
1447.767 (4) Backup run: resumption=4, nonce=3c0eecd1fc84, begun at=1408814936 (1447s ago), job type=backup
1447.768 (4) Scheduling a resumption (5) after 300 seconds (1408816683) in case this run gets aborted
1

Help me figure out what is causing this please

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