#0  0x00007f2ec6facf77 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
  [Error: ../nptl/sysdeps/unix/sysv/linux/raise.c was not found in source tree]
#1  0x00007f2ec6fb05e8 in __GI_abort () at abort.c:90
  [Error: abort.c was not found in source tree]
#2  0x00007f2ec75a8fcd in _g_log_abort () at /build/buildd/glib2.0-2.38.0/./glib/gmessages.c:255
  [Error: /build/buildd/glib2.0-2.38.0/./glib/gmessages.c was not found in source tree]
#3  0x00007f2ec75c63a7 in g_assertion_message (domain=domain@entry=0x0, file=file@entry=0x7f2eb4854db0 "/build/buildd/shotwell-0.15.0~pr3/plugins/shotwell-publishing/FacebookPublishing.vala", line=line@entry=1074, func=func@entry=0x7f2eb4857f20 <__FUNCTION__.56605> "publishing_facebook_graph_session_manage_message", message=message@entry=0x2be0e90 "assertion failed: (current_message == null)") at /build/buildd/glib2.0-2.38.0/./glib/gtestutils.c:2278
  [Error: /build/buildd/glib2.0-2.38.0/./glib/gtestutils.c was not found in source tree]
#4  0x00007f2ec75c640a in g_assertion_message_expr (domain=0x0, file=0x7f2eb4854db0 "/build/buildd/shotwell-0.15.0~pr3/plugins/shotwell-publishing/FacebookPublishing.vala", line=1074, func=0x7f2eb4857f20 <__FUNCTION__.56605> "publishing_facebook_graph_session_manage_message", expr=<optimized out>) at /build/buildd/glib2.0-2.38.0/./glib/gtestutils.c:2293
  [Error: /build/buildd/glib2.0-2.38.0/./glib/gtestutils.c was not found in source tree]
#5  0x00007f2eb47f1b19 in publishing_facebook_graph_session_manage_message () from /tmp/apport_sandbox_dFPyI_/usr/lib/shotwell/plugins/builtin/shotwell-publishing.so
#6  0x00007f2eb47f3375 in publishing_facebook_graph_session_send_message () from /tmp/apport_sandbox_dFPyI_/usr/lib/shotwell/plugins/builtin/shotwell-publishing.so
#7  0x00007f2eb47e7e92 in publishing_facebook_facebook_publisher_do_fetch_user_info () from /tmp/apport_sandbox_dFPyI_/usr/lib/shotwell/plugins/builtin/shotwell-publishing.so
#8  0x00007f2eb47ea818 in publishing_facebook_facebook_publisher_on_session_authenticated () from /tmp/apport_sandbox_dFPyI_/usr/lib/shotwell/plugins/builtin/shotwell-publishing.so
#9  0x00007f2eb47e7521 in _publishing_facebook_facebook_publisher_on_session_authenticated_publishing_facebook_graph_session_authenticated () from /tmp/apport_sandbox_dFPyI_/usr/lib/shotwell/plugins/builtin/shotwell-publishing.so
#10 0x00007f2ec786b188 in g_closure_invoke (closure=0x2218da0, return_value=0x0, n_param_values=1, param_values=0x7fff1deb88f0, invocation_hint=0x7fff1deb8890) at /build/buildd/glib2.0-2.38.0/./gobject/gclosure.c:777
  [Error: /build/buildd/glib2.0-2.38.0/./gobject/gclosure.c was not found in source tree]
#11 0x00007f2ec787cb1d in signal_emit_unlocked_R (node=node@entry=0x2228570, detail=detail@entry=0, instance=instance@entry=0x1fdb2e0, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fff1deb88f0) at /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c:3586
  [Error: /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c was not found in source tree]
#12 0x00007f2ec7884829 in g_signal_emit_valist (instance=instance@entry=0x1fdb2e0, signal_id=signal_id@entry=589, detail=detail@entry=0, var_args=var_args@entry=0x7fff1deb8ad0) at /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c:3330
  [Error: /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c was not found in source tree]
#13 0x00007f2ec7885012 in g_signal_emit_by_name (instance=0x1fdb2e0, detailed_signal=0x7f2eb4854b15 "authenticated") at /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c:3426
  [Error: /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c was not found in source tree]
#14 0x00007f2eb47f2c0c in publishing_facebook_graph_session_authenticate () from /tmp/apport_sandbox_dFPyI_/usr/lib/shotwell/plugins/builtin/shotwell-publishing.so
#15 0x00007f2eb47e9e9a in publishing_facebook_facebook_publisher_on_authenticator_authenticated () from /tmp/apport_sandbox_dFPyI_/usr/lib/shotwell/plugins/builtin/shotwell-publishing.so
#16 0x00007f2eb47e754a in _publishing_facebook_facebook_publisher_on_authenticator_authenticated_publishing_accounts_uoa_publisher_authenticator_authenticated () from /tmp/apport_sandbox_dFPyI_/usr/lib/shotwell/plugins/builtin/shotwell-publishing.so
#17 0x00007f2ec786dfe0 in g_cclosure_marshal_VOID__BOXEDv (closure=0x2272bc0, return_value=<optimized out>, instance=<optimized out>, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x2337980) at /build/buildd/glib2.0-2.38.0/./gobject/gmarshal.c:1160
  [Error: /build/buildd/glib2.0-2.38.0/./gobject/gmarshal.c was not found in source tree]
#18 0x00007f2ec786b3b7 in _g_closure_invoke_va (closure=0x2272bc0, return_value=0x0, instance=0x7f2e98005880, args=0x7fff1deb8fa0, n_params=1, param_types=0x2337980) at /build/buildd/glib2.0-2.38.0/./gobject/gclosure.c:840
  [Error: /build/buildd/glib2.0-2.38.0/./gobject/gclosure.c was not found in source tree]
#19 0x00007f2ec7883e82 in g_signal_emit_valist (instance=instance@entry=0x7f2e98005880, signal_id=signal_id@entry=598, detail=detail@entry=0, var_args=var_args@entry=0x7fff1deb8fa0) at /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c:3238
  [Error: /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c was not found in source tree]
#20 0x00007f2ec7885012 in g_signal_emit_by_name (instance=0x7f2e98005880, detailed_signal=0x7f2eb48670d3 "authenticated") at /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c:3426
  [Error: /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c was not found in source tree]
#21 0x00007f2eb483ef96 in publishing_accounts_uoa_publisher_authenticator_on_processed () from /tmp/apport_sandbox_dFPyI_/usr/lib/shotwell/plugins/builtin/shotwell-publishing.so
#22 0x00007f2eb483e632 in _publishing_accounts_uoa_publisher_authenticator_on_processed_signon_auth_session_process_cb () from /tmp/apport_sandbox_dFPyI_/usr/lib/shotwell/plugins/builtin/shotwell-publishing.so
#23 0x00007f2eb45bc60d in process_async_cb_wrapper (object=<optimized out>, res=0x2b49ad0, user_data=0x2b69fc0) at signon-auth-session.c:243
  [Error: signon-auth-session.c was not found in source tree]
#24 0x00007f2ec7b19a67 in g_simple_async_result_complete (simple=0x2b49ad0) at /build/buildd/glib2.0-2.38.0/./gio/gsimpleasyncresult.c:777
  [Error: /build/buildd/glib2.0-2.38.0/./gio/gsimpleasyncresult.c was not found in source tree]
#25 0x00007f2ec7b19ac9 in complete_in_idle_cb (data=<optimized out>) at /build/buildd/glib2.0-2.38.0/./gio/gsimpleasyncresult.c:789
  [Error: /build/buildd/glib2.0-2.38.0/./gio/gsimpleasyncresult.c was not found in source tree]
#26 0x00007f2ec75a23a6 in g_main_dispatch (context=0x198f890) at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:3065
  [Error: /build/buildd/glib2.0-2.38.0/./glib/gmain.c was not found in source tree]
#27 g_main_context_dispatch (context=context@entry=0x198f890) at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:3641
  [Error: /build/buildd/glib2.0-2.38.0/./glib/gmain.c was not found in source tree]
#28 0x00007f2ec75a26f8 in g_main_context_iterate (context=0x198f890, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:3712
  [Error: /build/buildd/glib2.0-2.38.0/./glib/gmain.c was not found in source tree]
#29 0x00007f2ec75a2afa in g_main_loop_run (loop=0x2337f20) at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:3906
  [Error: /build/buildd/glib2.0-2.38.0/./glib/gmain.c was not found in source tree]
#30 0x00007f2ec8de34a0 in gtk_dialog_run (dialog=0x2334240) at /build/buildd/gtk+3.0-3.8.4/./gtk/gtkdialog.c:1110
  [Error: /build/buildd/gtk+3.0-3.8.4/./gtk/gtkdialog.c was not found in source tree]
#31 0x00000000004df110 in publishing_ui_publishing_dialog_run (self=self@entry=0x2334240) at src/publishing/PublishingUI.c:2773
  [Error: src/publishing/PublishingUI.c was not found in source tree]
#32 0x00000000004df4f8 in publishing_ui_publishing_dialog_go (to_publish=to_publish@entry=0x22ced80) at src/publishing/PublishingUI.c:2408
  [Error: src/publishing/PublishingUI.c was not found in source tree]
#33 0x000000000058ecaf in collection_page_on_publish (self=<optimized out>) at src/CollectionPage.c:3776
  [Error: src/CollectionPage.c was not found in source tree]
#34 _collection_page_on_publish_gtk_action_callback (action=<optimized out>, self=<optimized out>) at src/CollectionPage.c:1719
  [Error: src/CollectionPage.c was not found in source tree]
#35 0x00007f2ec786b188 in g_closure_invoke (closure=0x2012170, return_value=0x0, n_param_values=1, param_values=0x7fff1deb9600, invocation_hint=0x7fff1deb95a0) at /build/buildd/glib2.0-2.38.0/./gobject/gclosure.c:777
  [Error: /build/buildd/glib2.0-2.38.0/./gobject/gclosure.c was not found in source tree]
#36 0x00007f2ec787cb1d in signal_emit_unlocked_R (node=node@entry=0x1e32da0, detail=detail@entry=0, instance=instance@entry=0x2064700, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fff1deb9600) at /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c:3586
  [Error: /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c was not found in source tree]
#37 0x00007f2ec7884829 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7fff1deb9788) at /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c:3330
  [Error: /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c was not found in source tree]
#38 0x00007f2ec7884ae2 in g_signal_emit (instance=instance@entry=0x2064700, signal_id=<optimized out>, detail=detail@entry=0) at /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c:3386
  [Error: /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c was not found in source tree]
#39 0x00007f2ec8d638e0 in _gtk_action_emit_activate (action=0x2064700) at /build/buildd/gtk+3.0-3.8.4/./gtk/gtkaction.c:801
  [Error: /build/buildd/gtk+3.0-3.8.4/./gtk/gtkaction.c was not found in source tree]
#40 0x00007f2ec8d63efd in gtk_action_activate (action=<optimized out>) at /build/buildd/gtk+3.0-3.8.4/./gtk/gtkaction.c:832
  [Error: /build/buildd/gtk+3.0-3.8.4/./gtk/gtkaction.c was not found in source tree]
#41 0x00007f2ec8f27209 in button_clicked (widget=<optimized out>, button=0x238a2f0) at /build/buildd/gtk+3.0-3.8.4/./gtk/gtktoolbutton.c:877
  [Error: /build/buildd/gtk+3.0-3.8.4/./gtk/gtktoolbutton.c was not found in source tree]
#42 0x00007f2ec786b3b7 in _g_closure_invoke_va (closure=0x2359030, return_value=0x0, instance=0x1f68ee0, args=0x7fff1deb9a68, n_params=0, param_types=0x0) at /build/buildd/glib2.0-2.38.0/./gobject/gclosure.c:840
  [Error: /build/buildd/glib2.0-2.38.0/./gobject/gclosure.c was not found in source tree]
#43 0x00007f2ec7883e82 in g_signal_emit_valist (instance=0x1f68ee0, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fff1deb9a68) at /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c:3238
  [Error: /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c was not found in source tree]
#44 0x00007f2ec7884ae2 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c:3386
  [Error: /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c was not found in source tree]
#45 0x00007f2ec8d8a9d8 in gtk_real_button_released (button=0x1f68ee0) at /build/buildd/gtk+3.0-3.8.4/./gtk/gtkbutton.c:1973
  [Error: /build/buildd/gtk+3.0-3.8.4/./gtk/gtkbutton.c was not found in source tree]
#46 0x00007f2ec786b188 in g_closure_invoke (closure=0x1a356d0, return_value=0x0, n_param_values=1, param_values=0x7fff1deb9d10, invocation_hint=0x7fff1deb9cb0) at /build/buildd/glib2.0-2.38.0/./gobject/gclosure.c:777
  [Error: /build/buildd/glib2.0-2.38.0/./gobject/gclosure.c was not found in source tree]
#47 0x00007f2ec787c337 in signal_emit_unlocked_R (node=node@entry=0x1a35700, detail=detail@entry=0, instance=instance@entry=0x1f68ee0, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fff1deb9d10) at /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c:3516
  [Error: /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c was not found in source tree]
#48 0x00007f2ec7884829 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7fff1deb9e98) at /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c:3330
  [Error: /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c was not found in source tree]
#49 0x00007f2ec7884ae2 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=detail@entry=0) at /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c:3386
  [Error: /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c was not found in source tree]
#50 0x00007f2ec8d89581 in gtk_button_button_release (widget=<optimized out>, event=<optimized out>) at /build/buildd/gtk+3.0-3.8.4/./gtk/gtkbutton.c:1805
  [Error: /build/buildd/gtk+3.0-3.8.4/./gtk/gtkbutton.c was not found in source tree]
#51 0x00007f2ec8e543be in _gtk_marshal_BOOLEAN__BOXEDv (closure=0x19b2160, return_value=0x7fff1deba0b0, instance=<optimized out>, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x19b2190) at /build/buildd/gtk+3.0-3.8.4/./gtk/gtkmarshalers.c:130
  [Error: /build/buildd/gtk+3.0-3.8.4/./gtk/gtkmarshalers.c was not found in source tree]
#52 0x00007f2ec786b3b7 in _g_closure_invoke_va (closure=0x19b2160, return_value=0x7fff1deba0b0, instance=0x1f68ee0, args=0x7fff1deba1b8, n_params=1, param_types=0x19b2190) at /build/buildd/glib2.0-2.38.0/./gobject/gclosure.c:840
  [Error: /build/buildd/glib2.0-2.38.0/./gobject/gclosure.c was not found in source tree]
#53 0x00007f2ec7883e82 in g_signal_emit_valist (instance=0x1f68ee0, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fff1deba1b8) at /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c:3238
  [Error: /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c was not found in source tree]
#54 0x00007f2ec7884ae2 in g_signal_emit (instance=instance@entry=0x1f68ee0, signal_id=<optimized out>, detail=detail@entry=0) at /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c:3386
  [Error: /build/buildd/glib2.0-2.38.0/./gobject/gsignal.c was not found in source tree]
#55 0x00007f2ec8f75684 in gtk_widget_event_internal (widget=widget@entry=0x1f68ee0, event=event@entry=0x21c80f0) at /build/buildd/gtk+3.0-3.8.4/./gtk/gtkwidget.c:6714
  [Error: /build/buildd/gtk+3.0-3.8.4/./gtk/gtkwidget.c was not found in source tree]
#56 0x00007f2ec8f75959 in gtk_widget_event (widget=widget@entry=0x1f68ee0, event=event@entry=0x21c80f0) at /build/buildd/gtk+3.0-3.8.4/./gtk/gtkwidget.c:6371
  [Error: /build/buildd/gtk+3.0-3.8.4/./gtk/gtkwidget.c was not found in source tree]
#57 0x00007f2ec8e526bc in propagate_event_up (topmost=<optimized out>, event=<optimized out>, widget=0x1f68ee0) at /build/buildd/gtk+3.0-3.8.4/./gtk/gtkmain.c:2399
  [Error: /build/buildd/gtk+3.0-3.8.4/./gtk/gtkmain.c was not found in source tree]
#58 propagate_event (widget=<optimized out>, event=0x21c80f0, captured=<optimized out>, topmost=0x0) at /build/buildd/gtk+3.0-3.8.4/./gtk/gtkmain.c:2507
  [Error: /build/buildd/gtk+3.0-3.8.4/./gtk/gtkmain.c was not found in source tree]
#59 0x00007f2ec8e53fa5 in gtk_main_do_event (event=0x21c80f0) at /build/buildd/gtk+3.0-3.8.4/./gtk/gtkmain.c:1712
  [Error: /build/buildd/gtk+3.0-3.8.4/./gtk/gtkmain.c was not found in source tree]
#60 0x00007f2ec8a80fa2 in gdk_event_source_dispatch (source=source@entry=0x19f7990, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/gtk+3.0-3.8.4/./gdk/x11/gdkeventsource.c:364
  [Error: /build/buildd/gtk+3.0-3.8.4/./gdk/x11/gdkeventsource.c was not found in source tree]
#61 0x00007f2ec75a23a6 in g_main_dispatch (context=0x198f890) at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:3065
  [Error: /build/buildd/glib2.0-2.38.0/./glib/gmain.c was not found in source tree]
#62 g_main_context_dispatch (context=context@entry=0x198f890) at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:3641
  [Error: /build/buildd/glib2.0-2.38.0/./glib/gmain.c was not found in source tree]
#63 0x00007f2ec75a26f8 in g_main_context_iterate (context=context@entry=0x198f890, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:3712
  [Error: /build/buildd/glib2.0-2.38.0/./glib/gmain.c was not found in source tree]
#64 0x00007f2ec75a279c in g_main_context_iteration (context=0x198f890, context@entry=0x0, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.38.0/./glib/gmain.c:3773
  [Error: /build/buildd/glib2.0-2.38.0/./glib/gmain.c was not found in source tree]
#65 0x00007f2ec7b45a2c in g_application_run (application=0x1992200, argc=argc@entry=0, argv=argv@entry=0x0) at /build/buildd/glib2.0-2.38.0/./gio/gapplication.c:1635
  [Error: /build/buildd/glib2.0-2.38.0/./gio/gapplication.c was not found in source tree]
#66 0x000000000068ad35 in application_start (self=self@entry=0x1b22960, argv=argv@entry=0x0, argv_length1=argv_length1@entry=0) at src/Application.c:528
  [Error: src/Application.c was not found in source tree]
#67 0x000000000058183a in library_exec (mounts=mounts@entry=0x19d4470, mounts_length1=mounts_length1@entry=1) at src/main.c:1309
  [Error: src/main.c was not found in source tree]
#68 0x0000000000582719 in _vala_main (args=args@entry=0x7fff1deba768, args_length1=args_length1@entry=2) at src/main.c:1981
  [Error: src/main.c was not found in source tree]
#69 0x000000000047498a in main (argc=2, argv=0x7fff1deba768) at src/main.c:2059
  [Error: src/main.c was not found in source tree]