Aug 01 14:02:55.076 ERRO this task or one of its parent failed!
Aug 01 14:02:55.076 ERRO failed to generate lockfile for xfix/advent-of-code-2017
Aug 01 14:02:55.076 ERRO caused by: unable to generate lockfile for xfix/advent-of-code-2017
Aug 01 14:02:55.076 ERRO caused by: command `"docker" "start" "-a" "1d39fdd14f516219e746981257068ca8fee069491085eef15b9185926740a06b"` failed