[buck] support continuing analysis after crash when --keep-going is passed
[buck] support continuing analysis after crash when --keep-going is passed

Reviewed By: jeremydubreil

Differential Revision: D3932892

fbshipit-source-id: f6a6d37

xennygrimmato/infer,xennygrimmato/infer,ropas/infer,facebook/infer,facebook/infer,jsachs/infer,blzq/infer,kageiit/infer,ryoon/infer,facebook/infer,jsachs/infer,facebook/infer,jvillard/infer,blzq/infer,kageiit/infer,ropas/infer,ropas/infer,kageiit/infer,facebook/infer,blzq/infer,jvillard/infer,kageiit/infer,jvillard/infer,xennygrimmato/infer,xennygrimmato/infer,xennygrimmato/infer,ryoon/infer,blzq/infer,jvillard/infer,jvillard/infer,xennygrimmato/infer,kageiit/infer,jsachs/infer,jsachs/infer,facebook/infer,ryoon/infer,ryoon/infer,jvillard/infer,blzq/infer,ryoon/infer,jsachs/infer,ropas/infer,ropas/infer,ryoon/infer,blzq/infer,jsachs/infer,facebook/infer,xennygrimmato/infer,kageiit/infer,jvillard/infer,kageiit/infer,ropas/infer