cap_failure_log.txt

$ bx cap staging deploy:assets:backup_manifest -vvvv
    triggering load callbacks
  * 2016-04-29 18:35:26 executing `staging'
    triggering start callbacks for `deploy:assets:backup_manifest'
  * 2016-04-29 18:35:26 executing `multistage:ensure'
  * 2016-04-29 18:35:26 executing `deploy:assets:backup_manifest'
  * executing "ls /var/www/sites/dpritchettapp.com/shared/assets/manifest*"
    servers: ["staging-li.dpritchettapp.net"]
    [staging-li.dpritchettapp.net] executing command
    command finished in 298ms
  * executing "if [ -e '''' ]; then echo -n 'true'; fi"
    servers: ["staging-li.dpritchettapp.net"]
    [staging-li.dpritchettapp.net] executing command
    command finished in 250ms
Backing up shared manifest
  * executing "mv -- '' /var/www/sites/dpritchettapp.com/current/assets_manifest"
    servers: ["staging-li.dpritchettapp.net"]
    [staging-li.dpritchettapp.net] executing command
 ** [out :: staging-li.dpritchettapp.net] mv:
 ** [out :: staging-li.dpritchettapp.net] cannot stat ‘’
 ** [out :: staging-li.dpritchettapp.net] : No such file or directory
 ** [out :: staging-li.dpritchettapp.net]
    command finished in 227ms
failed: "sh -c 'mv -- '\\'''\\'' /var/www/sites/dpritchettapp.com/current/assets_manifest'" on staging-li.dpritchettapp.net