Aug 30 05:31:35.818 ERRO this task or one of its parent failed!
Aug 30 05:31:35.818 ERRO failed to generate lockfile for rusoto-0.22.0
Aug 30 05:31:35.818 ERRO caused by: unable to generate lockfile for rusoto-0.22.0
Aug 30 05:31:35.818 ERRO caused by: command `"docker" "start" "-a" "96f5e67a9189588a44c18dec76ed79780ef6a5ac314696f16198e8f92e6432ad"` failed