Sep 21 10:10:37.185 ERRO this task or one of its parent failed!
Sep 21 10:10:37.185 ERRO failed to generate lockfile for futures-preview-0.3.0-alpha.6
Sep 21 10:10:37.185 ERRO caused by: unable to generate lockfile for futures-preview-0.3.0-alpha.6
Sep 21 10:10:37.185 ERRO caused by: command `"docker" "start" "-a" "3ac9d01cb3dfcaf236d21753117889a240540acd6631e67c4bc6020efcd13c22"` failed