This is how you debug a test that only fails once every 1000 times. The Test package my import ( "math/rand" "testing" "time" ) func init() { rand.Seed(time.Now().UnixNano()) } func TestRandFail(t *testing.T) { if n := rand.Intn(1000); n == 50 { t.Fatalf("finally got %d", n) } } This is obviously a pedagogical example. Get the newest version of rr git clone https://github.com/rr-debugger/rr.git cd rr git checkout 5.4.0 # change this to the latest release (DO NOT BUILD HEAD) mkdir build cd bui...
