Had exactly the same experience on OSX 10.12.3 for Inkscape .92 trying both quartz and X11 versions. Example error output in screenshot and pasted here:
Emergency save activated!
Emergency save completed. Inkscape will close now.
If you can reproduce this crash, please file a bug at www.inkscape.org
with a detailed description of the steps leading to the crash, so we can fix it.
Had exactly the same experience on OSX 10.12.3 for Inkscape .92 trying both quartz and X11 versions. Example error output in screenshot and pasted here:
Emergency save activated!
Emergency save completed. Inkscape will close now.
If you can reproduce this crash, please file a bug at www.inkscape.org
with a detailed description of the steps leading to the crash, so we can fix it.
(inkscape:19162): Gtk-WARNING **: ChannelsAction: missing action ChannelsAction
(inkscape:19162): Gtk-WARNING **: ThresholdAction: missing action ThresholdAction
(inkscape:19162): Gtk-WARNING **: OffsetAction: missing action OffsetAction
(inkscape:19162): Gtk-WARNING **: PaintbucketUnit sAction: missing action PaintbucketUnit sAction
(inkscape:19162): Gtk-WARNING **: AutoGapAction: missing action AutoGapAction
(inkscape:19162): Gtk-WARNING **: PaintbucketRese tAction: missing action PaintbucketRese tAction
(inkscape:19162): Gtk-WARNING **: TextFontFamilyA ction: missing action TextFontFamilyA ction
(inkscape:19162): Gtk-WARNING **: TextFontStyleAc tion: missing action TextFontStyleAction
(inkscape:19162): Gtk-WARNING **: TextOuterStyleA ction: missing action TextOuterStyleA ction
(inkscape:19162): Gtk-WARNING **: TextFontSizeAction: missing action TextFontSizeAction
(inkscape:19162): Gtk-WARNING **: TextLineHeightA ction: missing action TextLineHeightA ction
(inkscape:19162): Gtk-WARNING **: TextLineHeightU nitsAction: missing action TextLineHeightU nitsAction
(inkscape:19162): Gtk-WARNING **: TextLineHeightU nsetAction: missing action TextLineHeightU nsetAction
(inkscape:19162): Gtk-WARNING **: TextAlignAction: missing action TextAlignAction
(inkscape:19162): Gtk-WARNING **: TextSuperscript Action: missing action TextSuperscript Action
(inkscape:19162): Gtk-WARNING **: TextSubscriptAc tion: missing action TextSubscriptAction
(inkscape:19162): Gtk-WARNING **: TextLetterSpaci ngAction: missing action TextLetterSpaci ngAction
(inkscape:19162): Gtk-WARNING **: TextWordSpacing Action: missing action TextWordSpacing Action
(inkscape:19162): Gtk-WARNING **: TextDxAction: missing action TextDxAction
(inkscape:19162): Gtk-WARNING **: TextDyAction: missing action TextDyAction
(inkscape:19162): Gtk-WARNING **: TextRotationAction: missing action TextRotationAction
(inkscape:19162): Gtk-WARNING **: TextWritingMode Action: missing action TextWritingMode Action
(inkscape:19162): Gtk-WARNING **: TextOrientation Action: missing action TextOrientation Action
(inkscape:19162): Gtk-WARNING **: GradientNewType Action: missing action GradientNewType Action
(inkscape:19162): Gtk-WARNING **: GradientNewFill StrokeAction: missing action GradientNewFill StrokeAction
(inkscape:19162): Gtk-WARNING **: GradientSelectG radientAction: missing action GradientSelectG radientAction
(inkscape:19162): Gtk-WARNING **: GradientEditLin kAction: missing action GradientEditLin kAction
(inkscape:19162): Gtk-WARNING **: GradientEditRev erseAction: missing action GradientEditRev erseAction
(inkscape:19162): Gtk-WARNING **: GradientSelectR epeatAction: missing action GradientSelectR epeatAction
(inkscape:19162): Gtk-WARNING **: GradientEditSto psAction: missing action GradientEditSto psAction
(inkscape:19162): Gtk-WARNING **: GradientEditOff setAction: missing action GradientEditOff setAction
(inkscape:19162): Gtk-WARNING **: GradientEditAdd Action: missing action GradientEditAdd Action
(inkscape:19162): Gtk-WARNING **: GradientEditDel eteAction: missing action GradientEditDel eteAction
(inkscape:19162): Gtk-WARNING **: MeshNewTypeAction: missing action MeshNewTypeAction
(inkscape:19162): Gtk-WARNING **: MeshNewFillStro keAction: missing action MeshNewFillStro keAction
(inkscape:19162): Gtk-WARNING **: MeshRowAction: missing action MeshRowAction
(inkscape:19162): Gtk-WARNING **: MeshColumnAction: missing action MeshColumnAction
(inkscape:19162): Gtk-WARNING **: MeshToggleSides Action: missing action MeshToggleSides Action
(inkscape:19162): Gtk-WARNING **: MeshMakeEllipti calAction: missing action MeshMakeEllipti calAction
(inkscape:19162): Gtk-WARNING **: MeshPickColorsA ction: missing action MeshPickColorsA ction
(inkscape:19162): Gtk-WARNING **: MeshFitInBoundi ngBoxAction: missing action MeshFitInBoundi ngBoxAction
(inkscape:19162): Gtk-WARNING **: MeshShowHandles Action: missing action MeshShowHandles Action
(inkscape:19162): Gtk-WARNING **: MeshEditFillAction: missing action MeshEditFillAction
(inkscape:19162): Gtk-WARNING **: MeshEditStrokeA ction: missing action MeshEditStrokeA ction
(inkscape:19162): Gtk-WARNING **: MeshWarningAction: missing action MeshWarningAction
(inkscape:19162): Gtk-WARNING **: MeshSmoothAction: missing action MeshSmoothAction
(inkscape:19162): Gtk-WARNING **: DropperOpacityA ction: missing action DropperOpacityA ction
(inkscape:19162): Gtk-WARNING **: DropperPickAlph aAction: missing action DropperPickAlph aAction
(inkscape:19162): Gtk-WARNING **: DropperSetAlpha Action: missing action DropperSetAlpha Action
(inkscape:19162): Gtk-WARNING **: ConnectorAvoidA ction: missing action ConnectorAvoidA ction
(inkscape:19162): Gtk-WARNING **: ConnectorIgnore Action: missing action ConnectorIgnore Action
(inkscape:19162): Gtk-WARNING **: ConnectorOrthog onalAction: missing action ConnectorOrthog onalAction
(inkscape:19162): Gtk-WARNING **: ConnectorCurvat ureAction: missing action ConnectorCurvat ureAction
(inkscape:19162): Gtk-WARNING **: ConnectorSpacin gAction: missing action ConnectorSpacin gAction
(inkscape:19162): Gtk-WARNING **: ConnectorGraphA ction: missing action ConnectorGraphA ction
(inkscape:19162): Gtk-WARNING **: ConnectorLength Action: missing action ConnectorLength Action
(inkscape:19162): Gtk-WARNING **: ConnectorDirect edAction: missing action ConnectorDirect edAction
(inkscape:19162): Gtk-WARNING **: ConnectorOverla pAction: missing action ConnectorOverla pAction