Add a test that if you have a fast failure and a slow success then the slow success gets killed Tests https://github.com/ezyang/ghc-shake/issues/1
Add a test that if you have a fast failure and a slow success then the slow success gets killed
Tests https://github.com/ezyang/ghc-shake/issues/1

ndmitchell/shake,ndmitchell/shake,ndmitchell/shake,ndmitchell/shake,ndmitchell/shake,ndmitchell/shake