Running a job asynchronously does not work

[jens1o]

call to a member function setArguments() on null {"exception":"[object] (Symfony\Component\Debug\Exception\FatalThrowableError(code: 0): Call to a member function setArguments() on null at /xxx/vendor/alchemy/binary-driver/src/Alchemy/BinaryDriver/ProcessBuilderFactory.php:171)

local.ERROR: Call to a member function setArguments() on null {"exception":"[object] (Symfony\Component\Debug\Exception\FatalThrowableError(code: 0): Call to a member function setArguments() on null at /home/app/www/cross_b/vendor/alchemy/binary-driver/src/Alchemy/BinaryDriver/ProcessBuilderFactory.php:171)
[stacktrace]
#0 /home/app/www/cross_b/vendor/alchemy/binary-driver/src/Alchemy/BinaryDriver/AbstractBinary.php(136): Alchemy\BinaryDriver\ProcessBuilderFactory->create(Array)
#1 /home/app/www/cross_b/vendor/php-ffmpeg/php-ffmpeg/src/FFMpeg/FFProbe/OptionsTester.php(61): Alchemy\BinaryDriver\AbstractBinary->command(Array)
#2 /home/app/www/cross_b/vendor/php-ffmpeg/php-ffmpeg/src/FFMpeg/FFProbe/OptionsTester.php(43): FFMpeg\FFProbe\OptionsTester->retrieveHelpOutput()
#3 /home/app/www/cross_b/vendor/php-ffmpeg/php-ffmpeg/src/FFMpeg/FFProbe.php(237): FFMpeg\FFProbe\OptionsTester->has('-show_streams')
#4 /home/app/www/cross_b/vendor/php-ffmpeg/php-ffmpeg/src/FFMpeg/FFProbe.php(206): FFMpeg\FFProbe->probe('/data/www/cross...', '-show_streams', 'streams')
#5 /home/app/www/cross_b/vendor/php-ffmpeg/php-ffmpeg/src/FFMpeg/FFMpeg.php(95): FFMpeg\FFProbe->streams('/data/www/cross...')
#6 /home/app/www/cross_b/app/Lib/Tool/FFmpeg.php(75): FFMpeg\FFMpeg->open('/data/www/cross...')
#7 /home/app/www/cross_b/app/Jobs/VideoAddWatermark.php(41): App\Lib\Tool\FFmpeg->addWatermark('/data/www/cross...')
#8 [internal function]: App\Jobs\VideoAddWatermark->handle()

previously reported at https://github.com/PHP-FFMpeg/PHP-FFMpeg/issues/721