Pony 0.2.1 http.Client.apply() Segmentation fault

gistfile1.txt

applying client
[New Thread 0x1207 of process 60223]
[New Thread 0x1317 of process 60223]
[New Thread 0x1427 of process 60223]
[New Thread 0x1807 of process 60223]

Program received signal SIGSEGV, Segmentation fault.
0x0000000100025302 in has_flag (actor=0x0, flag=8 '\b') at src/libponyrt/actor/actor.c:33
33	  return (actor->flags & flag) != 0;
(gdb) bt
#0  0x0000000100025302 in has_flag (actor=0x0, flag=8 '\b') at src/libponyrt/actor/actor.c:33
#1  0x000000010002549a in actor_pendingdestroy (actor=0x0) at src/libponyrt/actor/actor.c:207
#2  0x00000001000289cf in send_release (ctx=0x1097ffc48, aref=0x1097c49c0) at src/libponyrt/gc/actormap.c:134
#3  0x0000000100028877 in actormap_sweep (ctx=0x1097ffc48, map=0x1097d4ed8, mark=4, delta=0x1097c7f20) at src/libponyrt/gc/actormap.c:182
#4  0x000000010002bdc6 in gc_sweep (ctx=0x1097ffc48, gc=0x1097d4ea8) at src/libponyrt/gc/gc.c:373
#5  0x00000001000252c5 in try_gc (ctx=0x1097ffc48, actor=0x1097d4e00) at src/libponyrt/actor/actor.c:116
#6  0x0000000100024f96 in actor_run (ctx=0x1097ffc48, actor=0x1097d4e00) at src/libponyrt/actor/actor.c:148
#7  0x0000000100031d44 in run (sched=0x1097ffc00) at src/libponyrt/sched/scheduler.c:261
#8  0x0000000100031b19 in run_thread (arg=0x1097ffc00) at src/libponyrt/sched/scheduler.c:303
#9  0x0000000100031ac1 in scheduler_start (library=false) at src/libponyrt/sched/scheduler.c:392
#10 0x0000000100032738 in pony_start (library=false) at src/libponyrt/sched/start.c:108
#11 0x0000000100024e27 in main ()