#0  __GI_raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:50
  [Error: raise.c was not found in source tree]
#1  0x000055e70e75e01b in dump_gjs_stack_on_signal_handler (signo=6) at ../src/main.c:372
  367: 
  368:   alarm (5);
  369:   gjs_dumpstack ();
  370:   alarm (0);
  371: 
  372:   raise (signo);
  373: }
  374: 
  375: static void
  376: dump_gjs_stack_on_signal (int signo)
  377: {
#2  <signal handler called>
#3  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
  [Error: raise.c was not found in source tree]
#4  0x00007fe353671535 in __GI_abort () at abort.c:79
  [Error: abort.c was not found in source tree]
#5  0x00007fe354387dc3 in g_assertion_message (domain=<optimized out>, file=<optimized out>, line=<optimized out>, func=0x7fe35362efe0 <__FUNCTION__.49030> "st_image_content_get_preferred_size", message=<optimized out>) at ../../../glib/gtestutils.c:2878
  [Error: gtestutils.c was not found in source tree]
#6  0x00007fe3543e2ef6 in g_assertion_message_cmpnum (domain=domain@entry=0x7fe35362d634 "St", file=file@entry=0x7fe35362eef7 "../src/st/st-image-content.c", line=line@entry=155, func=func@entry=0x7fe35362efe0 <__FUNCTION__.49030> "st_image_content_get_preferred_size", expr=expr@entry=0x7fe35362eee6 "priv->width > -1", arg1=-1, cmp=cmp@entry=0x7fe35362eee4 ">", arg2=-1, numtype=105 'i') at ../../../glib/gtestutils.c:2937
  [Error: gtestutils.c was not found in source tree]
#7  0x00007fe35360e052 in st_image_content_get_preferred_size (content=0x55e715c2f0a0, width=0x7ffc89352100, height=0x7ffc89352104) at ../src/st/st-image-content.c:155
  150:   texture = clutter_image_get_texture (CLUTTER_IMAGE (content));
  151: 
  152:   if (texture == NULL)
  153:     return FALSE;
  154: 
  155:   g_assert_cmpint (priv->width, >, -1);
  156:   g_assert_cmpint (priv->height, >, -1);
  157: 
  158:   if (width != NULL)
  159:     *width = (float) priv->width;
  160: 
#8  0x00007fe353a31c5f in clutter_actor_get_preferred_size (self=self@entry=0x55e7111de670, min_width_p=min_width_p@entry=0x0, min_height_p=min_height_p@entry=0x0, natural_width_p=natural_width_p@entry=0x7ffc89352148, natural_height_p=natural_height_p@entry=0x7ffc8935214c) at ../clutter/clutter/clutter-actor.c:9218
  [Error: clutter-actor.c was not found in source tree]
#9  0x00007fe353a31dc4 in clutter_actor_get_transformed_size (self=self@entry=0x55e7111de670, width=width@entry=0x7ffc893521e8, height=height@entry=0x7ffc893521ec) at ../clutter/clutter/clutter-actor.c:10994
  [Error: clutter-actor.c was not found in source tree]
#10 0x00007fe353a31e7f in _clutter_actor_compute_resource_scale (self=0x55e7111de670, resource_scale=resource_scale@entry=0x7ffc89352244) at ../clutter/clutter/clutter-actor.c:17821
  [Error: clutter-actor.c was not found in source tree]
#11 0x00007fe353a31f9a in clutter_actor_update_resource_scale (self=<optimized out>) at ../clutter/clutter/clutter-actor.c:17873
  [Error: clutter-actor.c was not found in source tree]
#12 0x00007fe353a31ffe in clutter_actor_ensure_resource_scale (self=0x55e7111de670) at ../clutter/clutter/clutter-actor.c:17892
  [Error: clutter-actor.c was not found in source tree]
#13 0x00007fe353a320d1 in clutter_actor_real_map (self=0x55e7111de670) at ../clutter/clutter/clutter-actor.c:1530
  [Error: clutter-actor.c was not found in source tree]
#14 0x00007fe353a2921d in clutter_actor_set_mapped (self=0x55e7111de670, mapped=<optimized out>) at ../clutter/clutter/clutter-actor.c:1292
  [Error: clutter-actor.c was not found in source tree]
#15 0x00007fe353a2c0b2 in clutter_actor_update_map_state (self=0x55e7111de670, change=<optimized out>) at ../clutter/clutter/clutter-actor.c:1475
  [Error: clutter-actor.c was not found in source tree]
#16 0x00007fe353a32108 in clutter_actor_real_map (self=0x55e7193f7de0) at ../clutter/clutter/clutter-actor.c:1541
  [Error: clutter-actor.c was not found in source tree]
#17 0x00007fe35362ab59 in st_widget_map (actor=0x55e7193f7de0) at ../src/st/st-widget.c:479
  474: static void
  475: st_widget_map (ClutterActor *actor)
  476: {
  477:   StWidget *self = ST_WIDGET (actor);
  478: 
  479:   CLUTTER_ACTOR_CLASS (st_widget_parent_class)->map (actor);
  480: 
  481:   st_widget_ensure_style (self);
  482: }
  483: 
  484: static void
#18 0x00007fe353a2921d in clutter_actor_set_mapped (self=0x55e7193f7de0, mapped=<optimized out>) at ../clutter/clutter/clutter-actor.c:1292
  [Error: clutter-actor.c was not found in source tree]
#19 0x00007fe353a2c0b2 in clutter_actor_update_map_state (self=0x55e7193f7de0, change=<optimized out>) at ../clutter/clutter/clutter-actor.c:1475
  [Error: clutter-actor.c was not found in source tree]
#20 0x00007fe353a32108 in clutter_actor_real_map (self=0x55e7194e6340) at ../clutter/clutter/clutter-actor.c:1541
  [Error: clutter-actor.c was not found in source tree]
#21 0x00007fe35362ab59 in st_widget_map (actor=0x55e7194e6340) at ../src/st/st-widget.c:479
  474: static void
  475: st_widget_map (ClutterActor *actor)
  476: {
  477:   StWidget *self = ST_WIDGET (actor);
  478: 
  479:   CLUTTER_ACTOR_CLASS (st_widget_parent_class)->map (actor);
  480: 
  481:   st_widget_ensure_style (self);
  482: }
  483: 
  484: static void
#22 0x00007fe353a2921d in clutter_actor_set_mapped (self=0x55e7194e6340, mapped=<optimized out>) at ../clutter/clutter/clutter-actor.c:1292
  [Error: clutter-actor.c was not found in source tree]
#23 0x00007fe353a2c0b2 in clutter_actor_update_map_state (self=0x55e7194e6340, change=<optimized out>) at ../clutter/clutter/clutter-actor.c:1475
  [Error: clutter-actor.c was not found in source tree]
#24 0x00007fe353a32108 in clutter_actor_real_map (self=0x55e716486c60) at ../clutter/clutter/clutter-actor.c:1541
  [Error: clutter-actor.c was not found in source tree]
#25 0x00007fe35362ab59 in st_widget_map (actor=0x55e716486c60) at ../src/st/st-widget.c:479
  474: static void
  475: st_widget_map (ClutterActor *actor)
  476: {
  477:   StWidget *self = ST_WIDGET (actor);
  478: 
  479:   CLUTTER_ACTOR_CLASS (st_widget_parent_class)->map (actor);
  480: 
  481:   st_widget_ensure_style (self);
  482: }
  483: 
  484: static void
#26 0x00007fe353a2921d in clutter_actor_set_mapped (self=0x55e716486c60, mapped=<optimized out>) at ../clutter/clutter/clutter-actor.c:1292
  [Error: clutter-actor.c was not found in source tree]
#27 0x00007fe353a2c0b2 in clutter_actor_update_map_state (self=0x55e716486c60, change=<optimized out>) at ../clutter/clutter/clutter-actor.c:1475
  [Error: clutter-actor.c was not found in source tree]
#28 0x00007fe353a32108 in clutter_actor_real_map (self=0x55e7129ed3c0) at ../clutter/clutter/clutter-actor.c:1541
  [Error: clutter-actor.c was not found in source tree]
#29 0x00007fe35362ab59 in st_widget_map (actor=0x55e7129ed3c0) at ../src/st/st-widget.c:479
  474: static void
  475: st_widget_map (ClutterActor *actor)
  476: {
  477:   StWidget *self = ST_WIDGET (actor);
  478: 
  479:   CLUTTER_ACTOR_CLASS (st_widget_parent_class)->map (actor);
  480: 
  481:   st_widget_ensure_style (self);
  482: }
  483: 
  484: static void
#30 0x00007fe353a2921d in clutter_actor_set_mapped (self=0x55e7129ed3c0, mapped=<optimized out>) at ../clutter/clutter/clutter-actor.c:1292
  [Error: clutter-actor.c was not found in source tree]
#31 0x00007fe353a2c0b2 in clutter_actor_update_map_state (self=0x55e7129ed3c0, change=<optimized out>) at ../clutter/clutter/clutter-actor.c:1475
  [Error: clutter-actor.c was not found in source tree]
#32 0x00007fe353a32108 in clutter_actor_real_map (self=0x55e711a6db20) at ../clutter/clutter/clutter-actor.c:1541
  [Error: clutter-actor.c was not found in source tree]
#33 0x00007fe35362ab59 in st_widget_map (actor=0x55e711a6db20) at ../src/st/st-widget.c:479
  474: static void
  475: st_widget_map (ClutterActor *actor)
  476: {
  477:   StWidget *self = ST_WIDGET (actor);
  478: 
  479:   CLUTTER_ACTOR_CLASS (st_widget_parent_class)->map (actor);
  480: 
  481:   st_widget_ensure_style (self);
  482: }
  483: 
  484: static void
#34 0x00007fe353a2921d in clutter_actor_set_mapped (self=0x55e711a6db20, mapped=<optimized out>) at ../clutter/clutter/clutter-actor.c:1292
  [Error: clutter-actor.c was not found in source tree]
#35 0x00007fe353a2c0b2 in clutter_actor_update_map_state (self=0x55e711a6db20, change=<optimized out>) at ../clutter/clutter/clutter-actor.c:1475
  [Error: clutter-actor.c was not found in source tree]
#36 0x00007fe353a32108 in clutter_actor_real_map (self=0x55e711a6b450) at ../clutter/clutter/clutter-actor.c:1541
  [Error: clutter-actor.c was not found in source tree]
#37 0x00007fe35362ab59 in st_widget_map (actor=0x55e711a6b450) at ../src/st/st-widget.c:479
  474: static void
  475: st_widget_map (ClutterActor *actor)
  476: {
  477:   StWidget *self = ST_WIDGET (actor);
  478: 
  479:   CLUTTER_ACTOR_CLASS (st_widget_parent_class)->map (actor);
  480: 
  481:   st_widget_ensure_style (self);
  482: }
  483: 
  484: static void
#38 0x00007fe353a2921d in clutter_actor_set_mapped (self=0x55e711a6b450, mapped=<optimized out>) at ../clutter/clutter/clutter-actor.c:1292
  [Error: clutter-actor.c was not found in source tree]
#39 0x00007fe353a2c0b2 in clutter_actor_update_map_state (self=self@entry=0x55e711a6b450, change=change@entry=MAP_STATE_CHECK) at ../clutter/clutter/clutter-actor.c:1475
  [Error: clutter-actor.c was not found in source tree]
#40 0x00007fe353a389da in clutter_actor_real_show (self=0x55e711a6b450) at ../clutter/clutter/clutter-actor.c:1694
  [Error: clutter-actor.c was not found in source tree]
#41 0x00007fe3544a0e7d in g_closure_invoke (closure=0x55e71081dda0, return_value=0x0, n_param_values=1, param_values=0x7ffc89352830, invocation_hint=0x7ffc893527b0) at ../../../gobject/gclosure.c:810
  [Error: gclosure.c was not found in source tree]
#42 0x00007fe3544b46dc in signal_emit_unlocked_R (node=node@entry=0x55e710838cb0, detail=detail@entry=0, instance=instance@entry=0x55e711a6b450, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7ffc89352830) at ../../../gobject/gsignal.c:3565
  [Error: gsignal.c was not found in source tree]
#43 0x00007fe3544bd46e in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7ffc893529e0) at ../../../gobject/gsignal.c:3391
  [Error: gsignal.c was not found in source tree]
#44 0x00007fe3544bdb2f in g_signal_emit (instance=instance@entry=0x55e711a6b450, signal_id=<optimized out>, detail=detail@entry=0) at ../../../gobject/gsignal.c:3447
  [Error: gsignal.c was not found in source tree]
#45 0x00007fe353a3a3d2 in clutter_actor_show (self=0x55e711a6b450) at ../clutter/clutter/clutter-actor.c:1801
  [Error: clutter-actor.c was not found in source tree]
#46 clutter_actor_show (self=0x55e711a6b450) at ../clutter/clutter/clutter-actor.c:1764
  [Error: clutter-actor.c was not found in source tree]
#47 0x00007fe352a0381e in ffi_call_unix64 () at ../src/x86/unix64.S:76
  [Error: unix64.S was not found in source tree]
#48 0x00007fe352a031ef in ffi_call (cif=cif@entry=0x55e71196feb8, fn=<optimized out>, rvalue=<optimized out>, rvalue@entry=0x7ffc89352cf8, avalue=avalue@entry=0x7ffc89352c00) at ../src/x86/ffi64.c:525
  [Error: ffi64.c was not found in source tree]
#49 0x00007fe353b89229 in gjs_invoke_c_function (context=0x55e7109ba180, function=0x55e71196fea0, obj=..., args=..., js_rval=..., r_value=0x0) at gi/function.cpp:1096
  [Error: function.cpp was not found in source tree]
#50 0x00007fe353b8a9a6 in function_call (context=0x55e7109ba180, js_argc=0, vp=0x55e7142db890) at /usr/include/mozjs-60/js/RootingAPI.h:1128
  [Error: RootingAPI.h was not found in source tree]
#51 0x00007fe35198e194 in js::CallJSNative (args=..., native=0x7fe353b8a880 <function_call(JSContext*, unsigned int, JS::Value*)>, cx=0x55e7109ba180) at ./debian/build/dist/include/js/CallArgs.h:286
  [Error: CallArgs.h was not found in source tree]
#52 js::InternalCallOrConstruct (cx=0x55e7109ba180, args=..., construct=<optimized out>) at ./js/src/vm/Interpreter.cpp:450
  [Error: Interpreter.cpp was not found in source tree]
#53 0x00007fe3519818f1 in js::CallFromStack (args=..., cx=<optimized out>) at ./js/src/vm/Interpreter.cpp:3115
  [Error: Interpreter.cpp was not found in source tree]
#54 Interpret (cx=0x55e7109ba180, state=...) at ./js/src/vm/Interpreter.cpp:3115
  [Error: Interpreter.cpp was not found in source tree]
#55 0x00007fe35198db26 in js::RunScript (cx=0x55e7109ba180, state=...) at ./js/src/vm/Interpreter.cpp:418
  [Error: Interpreter.cpp was not found in source tree]
#56 0x00007fe35198e0f1 in js::InternalCallOrConstruct (cx=0x55e7109ba180, args=..., construct=<optimized out>) at ./js/src/vm/Interpreter.cpp:490
  [Error: Interpreter.cpp was not found in source tree]
#57 0x00007fe3519818f1 in js::CallFromStack (args=..., cx=<optimized out>) at ./js/src/vm/Interpreter.cpp:3115
  [Error: Interpreter.cpp was not found in source tree]
#58 Interpret (cx=0x55e7109ba180, state=...) at ./js/src/vm/Interpreter.cpp:3115
  [Error: Interpreter.cpp was not found in source tree]
#59 0x00007fe35198db26 in js::RunScript (cx=0x55e7109ba180, state=...) at ./js/src/vm/Interpreter.cpp:418
  [Error: Interpreter.cpp was not found in source tree]
#60 0x00007fe35198e0f1 in js::InternalCallOrConstruct (cx=0x55e7109ba180, args=..., construct=<optimized out>) at ./js/src/vm/Interpreter.cpp:490
  [Error: Interpreter.cpp was not found in source tree]
#61 0x00007fe3519818f1 in js::CallFromStack (args=..., cx=<optimized out>) at ./js/src/vm/Interpreter.cpp:3115
  [Error: Interpreter.cpp was not found in source tree]
#62 Interpret (cx=0x55e7109ba180, state=...) at ./js/src/vm/Interpreter.cpp:3115
  [Error: Interpreter.cpp was not found in source tree]
#63 0x00007fe35198db26 in js::RunScript (cx=0x55e7109ba180, state=...) at ./js/src/vm/Interpreter.cpp:418
  [Error: Interpreter.cpp was not found in source tree]
#64 0x00007fe35198e0f1 in js::InternalCallOrConstruct (cx=0x55e7109ba180, args=..., construct=<optimized out>) at ./js/src/vm/Interpreter.cpp:490
  [Error: Interpreter.cpp was not found in source tree]
#65 0x00007fe35198e359 in js::Call (cx=cx@entry=0x55e7109ba180, fval=..., fval@entry=..., thisv=..., thisv@entry=..., args=..., rval=rval@entry=...) at ./js/src/vm/Interpreter.cpp:536
  [Error: Interpreter.cpp was not found in source tree]
#66 0x00007fe351c4b04a in js::jit::InvokeFunction (cx=0x55e7109ba180, obj=..., obj@entry=..., constructing=<optimized out>, ignoresReturnValue=ignoresReturnValue@entry=false, argc=<optimized out>, argv=<optimized out>, rval=...) at ./debian/build/dist/include/js/RootingAPI.h:1128
  [Error: RootingAPI.h was not found in source tree]
#67 0x00007fe351c4b464 in js::jit::InvokeFromInterpreterStub (cx=<optimized out>, frame=0x7ffc893547e8) at ./debian/build/dist/include/js/RootingAPI.h:1128
  [Error: RootingAPI.h was not found in source tree]
#68 0x00000f676351ff87 in ?? ()
#69 0x00007fe335bc3160 in ?? ()
#70 0x00007ffc893547e8 in ?? ()
#71 0xfffe7fe335bbcbc0 in ?? ()
#72 0x00000000000000fc in ?? ()
#73 0x00000f676365a3aa in ?? ()
#74 0x0000000000003042 in ?? ()
#75 0x00007fe33589d510 in ?? ()
#76 0x0000000000000002 in ?? ()
#77 0xfffe7fe335547060 in ?? ()
#78 0xfffe7fe335583560 in ?? ()
#79 0xfffe7fe30b90bba0 in ?? ()
#80 0x0000000000000000 in ?? ()