#0  0x00007f4cd999bef9 in g_cancellable_is_cancelled (cancellable=cancellable@entry=0x7f4cde04c050) at /build/buildd/glib2.0-2.42.2/./gio/gcancellable.c:295
  [Error: /build/buildd/glib2.0-2.42.2/./gio/gcancellable.c was not found in source tree]
#1  0x00007f4ca4dd6deb in vala_symbol_outline_find_existing (self=self@entry=0x7f4cde018120, symbol=symbol@entry=0x7f4c9cd037a0, parent=parent@entry=0x7f4c9ce43e90, cancellable=cancellable@entry=0x7f4cde04c050) at /build/buildd/scratch-text-editor-2.1.0~r1511+pkg76~daily~ubuntu0.3.1/plugins/outline/ValaProcessing/SymbolOutline.vala:156
  [Error: /build/buildd/scratch-text-editor-2.1.0~r1511+pkg76~daily~ubuntu0.3.1/plugins/outline/ValaProcessing/SymbolOutline.vala was not found in source tree]
#2  0x00007f4ca4dd6e4b in vala_symbol_outline_find_existing (self=self@entry=0x7f4cde018120, symbol=0x7f4c9cd037a0, parent=parent@entry=0x7f4c9cdc55d0, cancellable=cancellable@entry=0x7f4cde04c050) at /build/buildd/scratch-text-editor-2.1.0~r1511+pkg76~daily~ubuntu0.3.1/plugins/outline/ValaProcessing/SymbolOutline.vala:167
  [Error: /build/buildd/scratch-text-editor-2.1.0~r1511+pkg76~daily~ubuntu0.3.1/plugins/outline/ValaProcessing/SymbolOutline.vala was not found in source tree]
#3  0x00007f4ca4dd702e in vala_symbol_outline_construct_child (self=self@entry=0x7f4cde018120, symbol=symbol@entry=0x7f4c9cd54860, given_parent=given_parent@entry=0x7f4c9cdc55d0, cancellable=cancellable@entry=0x7f4cde04c050) at /build/buildd/scratch-text-editor-2.1.0~r1511+pkg76~daily~ubuntu0.3.1/plugins/outline/ValaProcessing/SymbolOutline.vala:124
  [Error: /build/buildd/scratch-text-editor-2.1.0~r1511+pkg76~daily~ubuntu0.3.1/plugins/outline/ValaProcessing/SymbolOutline.vala was not found in source tree]
#4  0x00007f4ca4dd7a72 in vala_symbol_outline_construct_tree (cancellable=0x7f4cde04c050, self=0x7f4cde018120) at /build/buildd/scratch-text-editor-2.1.0~r1511+pkg76~daily~ubuntu0.3.1/plugins/outline/ValaProcessing/SymbolOutline.vala:106
  [Error: /build/buildd/scratch-text-editor-2.1.0~r1511+pkg76~daily~ubuntu0.3.1/plugins/outline/ValaProcessing/SymbolOutline.vala was not found in source tree]
#5  __lambda10_ (_data4_=0x7f4c9c56f6e0) at /build/buildd/scratch-text-editor-2.1.0~r1511+pkg76~daily~ubuntu0.3.1/plugins/outline/ValaProcessing/SymbolOutline.vala:55
  [Error: /build/buildd/scratch-text-editor-2.1.0~r1511+pkg76~daily~ubuntu0.3.1/plugins/outline/ValaProcessing/SymbolOutline.vala was not found in source tree]
#6  ___lambda10__gthread_func (self=0x7f4c9c56f6e0) at SymbolOutline.c:650
  [Error: SymbolOutline.c was not found in source tree]
#7  0x00007f4cd8fc7d55 in g_thread_proxy (data=0x7f4c9c995ca0) at /build/buildd/glib2.0-2.42.2/./glib/gthread.c:764
  [Error: /build/buildd/glib2.0-2.42.2/./glib/gthread.c was not found in source tree]
#8  0x00007f4cd874c182 in start_thread (arg=0x7f4ca474f700) at pthread_create.c:312
  [Error: pthread_create.c was not found in source tree]
#9  0x00007f4cd8c8f47d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
  [Error: ../sysdeps/unix/sysv/linux/x86_64/clone.S was not found in source tree]