A few more, ported, runtime fixes.

code/game/objects/effects/effect_system/effect_system.dm

@@ -48,6 +48,8 @@ would spawn and follow the beaker, even if it is carried or thrown.
 	holder = atom
 
 /datum/effect_system/proc/start()
+	if(QDELETED(src))
+		return
 	for(var/i in 1 to number)
 		if(total_effects > 20)
 			return
@@ -69,7 +71,8 @@ would spawn and follow the beaker, even if it is carried or thrown.
 	for(var/j in 1 to steps_amt)
 		sleep(5)
 		step(E,direction)
-	addtimer(CALLBACK(src, .proc/decrement_total_effect), 20)
+	if(!QDELETED(src))
+		addtimer(CALLBACK(src, .proc/decrement_total_effect), 20)
 
 /datum/effect_system/proc/decrement_total_effect()
 	total_effects--

code/game/objects/structures/guillotine.dm

@@ -97,7 +97,7 @@
 	icon_state = "guillotine_raised"
 
 /obj/structure/guillotine/proc/drop_blade(mob/user)
-	if (buckled_mobs.len && blade_sharpness)
+	if (has_buckled_mobs() && blade_sharpness)
 		var/mob/living/carbon/human/H = buckled_mobs[1]
 
 		if (!H)