[driver] refuse to nuke suspicious results directories
[driver] refuse to nuke suspicious results directories

Summary: Fixes #686

Reviewed By: jberdine

Differential Revision: D5381239

fbshipit-source-id: fef821f

jvillard/infer,ropas/infer,ropas/infer,blzq/infer,blzq/infer,ropas/infer,jvillard/infer,jvillard/infer,blzq/infer,facebook/infer,facebook/infer,jvillard/infer,facebook/infer,jvillard/infer,facebook/infer,facebook/infer,facebook/infer,facebook/infer,ropas/infer,blzq/infer,ropas/infer,blzq/infer,blzq/infer,ropas/infer,jvillard/infer,jvillard/infer