Aug 30 05:51:12.223 ERRO this task or one of its parent failed! Aug 30 05:51:12.223 ERRO failed to generate lockfile for reql-io-0.2.0 Aug 30 05:51:12.223 ERRO caused by: unable to generate lockfile for reql-io-0.2.0 Aug 30 05:51:12.223 ERRO caused by: command `"docker" "start" "-a" "489e0b52b6e08c8cc72363101b4acf7d353de7c91c2b271ebbcf4b1b26ef45d8"` failed