PocketMine-MP Dev build 795

[PocketMine] Stopping server...
[PocketMine] Server was stopped.
[PocketMine] Server is starting...
[PocketMine] Server was started.
[Server] 16:29:18 [WARNING] Non-packaged PocketMine-Soft installation detected, do not use on production.
[Server] 16:29:18 [INFO] Starting Minecraft: PE server version v0.9.5 alpha
[Server] 16:29:18 [INFO] Loading pocketmine-soft.yml...
[Server] 16:29:18 [INFO] Loading pocketmine.yml...
[Server] 16:29:18 [INFO] Loading server properties...
[Server] 16:29:18 [INFO] Starting Minecraft PE server on 0.0.0.0:19132
[Server]
[Server] Fatal error: Uncaught exception 'RuntimeException' with message 'shell_exec(): Unable to execute 'cat /proc/cpuinfo | grep "model name"'' in phar:///storage/emulated/0/PocketMine/PocketMine-MP.phar/src/pocketmine/utils/Utils.php:62
[Server] Stack trace:
[Server] #0 [internal function]: ExceptionHandler::handler(2, 'shell_exec(): U...', 'phar:///storage...', 62, Array)
[Server] #1 phar:///storage/emulated/0/PocketMine/PocketMine-MP.phar/src/pocketmine/utils/Utils.php(62): shell_exec('cat /proc/cpuin...')
[Server] #2 phar:///storage/emulated/0/PocketMine/PocketMine-MP.phar/src/pocketmine/Server.php(1595): pocketmine\utils\Utils::getUniqueID(true, '0.0.0.019132')
[Server] #3 phar:///storage/emulated/0/PocketMine/PocketMine-MP.phar/src/pocketmine/PocketMine.php(417): pocketmine\Server->__construct(Object(pocketmine\CompatibleClassLoader), Object(pocketmine\utils\MainLogger), 'phar:///storage...', '/storage/emulat...', '/storage/emulat...')
[Server] #4 /storage/emulated/0/PocketMine/PocketMine-MP.phar(1): require('phar:///storage...')
[Server] #5 {main}
[Server] thrown in phar:///storage/emulated/0/PocketMine/PocketMine-MP.phar/src/pocketmine/utils/Utils.php on line 62