Version-Release number of selected component:
gnome-builder-3.18.1-2.fc23

Additional info:
reporter:       libreport-2.6.3
backtrace_rating: 4
cmdline:        /usr/bin/gnome-builder --gapplication-service
crash_function: gb_project_tree_builder_rebuild
executable:     /usr/bin/gnome-builder
kernel:         4.2.3-300.fc23.x86_64
runlevel:       N 5
type:           CCpp

Truncated backtrace:
Thread no. 1 (10 frames)
 #4 gb_project_tree_builder_rebuild at project-tree/gb-project-tree-builder.c:377
 #5 g_cclosure_marshal_VOID__STRINGv at gmarshal.c:1794
 #6 _g_closure_invoke_va at gclosure.c:864
 #9 g_settings_real_change_event at gsettings.c:386
 #10 ffi_call_unix64 at ../src/x86/unix64.S:76
 #11 ffi_call at ../src/x86/ffi64.c:525
 #12 g_cclosure_marshal_generic_va at gclosure.c:1600
 #13 _g_closure_invoke_va at gclosure.c:864
 #16 settings_backend_path_changed at gsettings.c:461
 #17 g_settings_backend_invoke_closure at gsettingsbackend.c:267