Potentially have the same issue as OP, running a headless 2.0.15 server and unexpectedly got the achievement yesterday with an artillery train. However, trying to investigate is confusing. * I got backups and a few recent autosaves across 2.0.{11,13,14,15}. No matter which version of headless or cli...

Basically the exact same as a previously resolved issue at https://forums.factorio.com/forum/viewtopic.php?f=11&t=16287 System Specs Intel Core i5 U430 6GB Ram ATI Mobility Radeon HD 5450 (There is also intel integrated graphics, only one GPU is active at a time) After a little bit of testing, t...