Ensure defer does not exit program

main.go

@@ -60,12 +60,6 @@ var (
 	nextSleepTime  time.Time
 )
 
-func Must(err error) {
-	if err != nil {
-		log.Fatalf("Error: %v", err)
-	}
-}
-
 func main() {
 	// Check if running as root
 	if os.Geteuid() != 0 {
@@ -79,7 +73,7 @@ func main() {
 		nvmlAvailable = false
 	} else {
 		nvmlAvailable = true
-		defer Must(nvml.Shutdown())
+		defer nvml.Shutdown()
 	}
 
 	// Set up signal handling