Linux segfault running cura 3.6

I’m trying to get cura 3.6 running on Devuan Ascii (Debian stretch compatible)

When I start cura, I get the error below. This excerpt looks like the start of the problem:

mprotect failed in ExecutableAllocator::makeExecutable: Permission denied
Mapped JIT code for 

Fatal Python error: Segmentation fault

Anyone know what could be the cause of this? What does Cura need permission to do?
Thanks,

$ cura-lulzbot 
[(139650019724928)-MainThread] cura.CuraApplication.__init__ [220]: QtApplication Install Prefix : "/usr/share"

(cura-lulzbot:12000): Gtk-WARNING **: Theme parsing error: gtk.css:1092:0: Expected a valid selector
[(139650019724928)-MainThread] UM.Application.__init__ [94]: InstallPrefix: /usr/share, ApplicationName: cura-lulzbot
[(139650019724928)-MainThread] UM.Resources.__initializeStoragePaths [348]: Initializing storage paths
[(139650019724928)-MainThread] UM.Resources.__initializeStoragePaths [356]: ...StorageRootPath is /home/lulzbot/.config
[(139650019724928)-MainThread] UM.Resources.__initializeStoragePaths [357]: ...StorageDirName is cura-lulzbot/3.6
[(139650019724928)-MainThread] UM.Resources.__initializeStoragePaths [361]: Config storage path is /home/lulzbot/.config/cura-lulzbot/3.6
[(139650019724928)-MainThread] UM.Resources.__initializeStoragePaths [369]: Data storage path is /home/lulzbot/.local/share/cura-lulzbot/3.6
[(139650019724928)-MainThread] UM.Resources.__initializeStoragePaths [381]: Cache storage path is /home/lulzbot/.cache/cura-lulzbot/3.6
[(139650019724928)-MainThread] UM.Resources._copyLatestDirsIfPresent [399]: Found config: ['/home/lulzbot/.config/cura-lulzbot'] and data: ['/home/lulzbot/.local/share/cura-lulzbot']
[(139650019724928)-MainThread] UM.Resources._copyLatestDirsIfPresent [403]: Latest config path: None and latest data path: None
[(139650019724928)-MainThread] UM.View.GL.OpenGLContext.detectBestOpenGLVersion [103]: Trying OpenGL context 4.1...
[(139650019724928)-MainThread] UM.View.GL.OpenGLContext.detectBestOpenGLVersion [113]: Yay, we got at least OpenGL 4.1 core: 4.1 Core profile
[(139650019724928)-MainThread] UM.Qt.QtApplication.__init__ [91]: Detected most suitable OpenGL context version: 4.1 Core profile
[(139650019724928)-MainThread] UM.Qt.QtApplication.__init__ [109]: Command line arguments: {'file': [], 'disable-textures': False, 'qmljsdebugger': None, 'headless': False, 'external-backend': False, 'single_instance': False, 'debug': False}
[(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin SupportEraser
[(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin GCodeWriter
[(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin ImageReader
[(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin LulzBotPredefinedCommands
[(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin CustomSupports
[(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin LegacyProfileReader
[(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin PostProcessingPlugin
[(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin XRayView
[(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin LulzBotMachineActions
[(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin XmlMaterialProfile
[(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin XmlMaterialProfile
[(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin RotateTool
[(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin ScaleTool
[(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin MirrorTool
[(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin SelectionTool
[(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin CameraTool
[(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin TranslateTool
[(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin GCodeReader
[(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin SimpleView
[(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin 3MFWriter
[(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin 3MFWriter
[(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin X3DReader
[(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin LocalContainerProvider
[(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin ModelSubdividerPlugin
[(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin UM3NetworkPrinting
[(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin UM3NetworkPrinting
[(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin RemovableDriveOutputDevice
2019-02-21 18:02:33,229 - INFO - [(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin ConsoleLogger
2019-02-21 18:02:33,233 - INFO - [(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin PrepareStage
2019-02-21 18:02:33,243 - INFO - [(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin PluginBrowser
2019-02-21 18:02:33,249 - INFO - [(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin STLWriter
2019-02-21 18:02:33,254 - INFO - [(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin OBJReader
2019-02-21 18:02:33,258 - INFO - [(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin OBJWriter
2019-02-21 18:02:33,266 - INFO - [(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin STLReader
2019-02-21 18:02:33,270 - INFO - [(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin GCodeProfileReader
2019-02-21 18:02:33,280 - INFO - [(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin UltimakerMachineActions
2019-02-21 18:02:33,284 - INFO - [(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin CuraProfileWriter
2019-02-21 18:02:33,300 - INFO - [(139650019724928)-MainThread] CuraEngineBackend.CuraEngineBackend.__init__ [66]: Found CuraEngine at: /usr/share/cura-lulzbot/CuraEngine
2019-02-21 18:02:33,302 - INFO - [(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin CuraEngineBackend
2019-02-21 18:02:33,306 - INFO - [(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin CuraProfileReader
2019-02-21 18:02:33,311 - INFO - [(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin SolidView
2019-02-21 18:02:33,338 - INFO - [(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin FirmwareUpdateChecker
2019-02-21 18:02:33,353 - INFO - [(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin SimulationView
2019-02-21 18:02:33,382 - INFO - [(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin USBPrinting
2019-02-21 18:02:33,384 - INFO - [(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin USBPrinting
2019-02-21 18:02:33,390 - WARNING - [(139649068300032)-Thread-3] UM.OutputDevice.OutputDeviceManager.removeOutputDevice [126]: Could not find output device with id Autodetect to remove
2019-02-21 18:02:33,393 - INFO - [(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin ImperialPlugin
2019-02-21 18:02:33,399 - ERROR - [(139650019724928)-MainThread] UM.Qt.QtApplication.getTheme [337]: The theme cannot be accessed before the engine is initialised
2019-02-21 18:02:33,401 - INFO - [(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin LocalFileOutputDevice
2019-02-21 18:02:33,406 - INFO - [(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin ChangeLogPlugin
2019-02-21 18:02:33,412 - WARNING - [(139650019724928)-MainThread] UM.Preferences.getValue [81]: Tried to get the value of non-existing setting cura/active_mode.
2019-02-21 18:02:33,414 - INFO - [(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin PerObjectSettingsTool
2019-02-21 18:02:33,434 - INFO - [(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin OctoPrintPlugin
2019-02-21 18:02:33,435 - INFO - [(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin OctoPrintPlugin
2019-02-21 18:02:33,440 - INFO - [(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin UserAgreementPlugin
2019-02-21 18:02:33,444 - INFO - [(139650019724928)-MainThread] UM.PluginRegistry.loadPlugin [261]: 3 Loaded plugin AutoSave
2019-02-21 18:02:33,467 - INFO - [(139650019724928)-MainThread] UM.VersionUpgradeManager.upgrade [113]: Looking for old configuration files to upgrade.
2019-02-21 18:02:33,470 - DEBUG - [(139650019724928)-MainThread] UM.Backend.Backend._logSocketState [173]: Socket state changed to Listening
2019-02-21 18:02:33,476 - INFO - [(139650019724928)-MainThread] UM.Backend.Backend.startEngine [74]: Started engine process: /usr/share/cura-lulzbot/CuraEngine
2019-02-21 18:02:33,478 - DEBUG - [(139650019724928)-MainThread] UM.Backend.Backend._backendLog [90]: [Backend] Calling engine with: ['/usr/share/cura-lulzbot/CuraEngine', 'connect', '127.0.0.1:49674', '']
2019-02-21 18:02:33,480 - DEBUG - [(139650019724928)-MainThread] UM.Backend.Backend._logSocketState [177]: Socket state changed to Connected
2019-02-21 18:02:33,482 - DEBUG - [(139650019724928)-MainThread] UM.Backend.Backend._onSocketStateChanged [167]: Backend connected on port 49674
2019-02-21 18:02:33,484 - DEBUG - [(139648544433920)-Thread-6] UM.Backend.Backend._backendLog [90]: [Backend] 
2019-02-21 18:02:33,485 - DEBUG - [(139648544433920)-Thread-6] UM.Backend.Backend._backendLog [90]: [Backend] Cura_SteamEngine version 3.6.3
2019-02-21 18:02:33,487 - DEBUG - [(139648544433920)-Thread-6] UM.Backend.Backend._backendLog [90]: [Backend] Copyright (C) 2018 Ultimaker
2019-02-21 18:02:33,488 - DEBUG - [(139648544433920)-Thread-6] UM.Backend.Backend._backendLog [90]: [Backend] 
2019-02-21 18:02:33,490 - DEBUG - [(139648544433920)-Thread-6] UM.Backend.Backend._backendLog [90]: [Backend] This program is free software: you can redistribute it and/or modify
2019-02-21 18:02:33,491 - DEBUG - [(139648544433920)-Thread-6] UM.Backend.Backend._backendLog [90]: [Backend] it under the terms of the GNU Affero General Public License as published by
2019-02-21 18:02:33,493 - DEBUG - [(139648544433920)-Thread-6] UM.Backend.Backend._backendLog [90]: [Backend] the Free Software Foundation, either version 3 of the License, or
2019-02-21 18:02:33,494 - DEBUG - [(139648544433920)-Thread-6] UM.Backend.Backend._backendLog [90]: [Backend] (at your option) any later version.
2019-02-21 18:02:33,496 - DEBUG - [(139648544433920)-Thread-6] UM.Backend.Backend._backendLog [90]: [Backend] 
2019-02-21 18:02:33,497 - DEBUG - [(139648544433920)-Thread-6] UM.Backend.Backend._backendLog [90]: [Backend] This program is distributed in the hope that it will be useful,
2019-02-21 18:02:33,498 - DEBUG - [(139648544433920)-Thread-6] UM.Backend.Backend._backendLog [90]: [Backend] but WITHOUT ANY WARRANTY; without even the implied warranty of
2019-02-21 18:02:33,500 - DEBUG - [(139648544433920)-Thread-6] UM.Backend.Backend._backendLog [90]: [Backend] MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2019-02-21 18:02:33,501 - DEBUG - [(139648544433920)-Thread-6] UM.Backend.Backend._backendLog [90]: [Backend] GNU Affero General Public License for more details.
2019-02-21 18:02:33,503 - DEBUG - [(139648544433920)-Thread-6] UM.Backend.Backend._backendLog [90]: [Backend] 
2019-02-21 18:02:33,504 - DEBUG - [(139648544433920)-Thread-6] UM.Backend.Backend._backendLog [90]: [Backend] You should have received a copy of the GNU Affero General Public License
2019-02-21 18:02:33,506 - DEBUG - [(139648544433920)-Thread-6] UM.Backend.Backend._backendLog [90]: [Backend] along with this program.  If not, see <http://www.gnu.org/licenses/>.
2019-02-21 18:02:33,512 - DEBUG - [(139650019724928)-MainThread] cura.CuraApplication.__init__ [252]: Trying to Set icon : "/usr/share/cura-lulzbot/resources/images/cura-icon.png"
2019-02-21 18:02:38,497 - WARNING - [(139649068300032)-Thread-3] UM.OutputDevice.OutputDeviceManager.removeOutputDevice [126]: Could not find output device with id Autodetect to remove
2019-02-21 18:02:40,576 - WARNING - [(139650019724928)-MainThread] UM.Preferences.getValue [81]: Tried to get the value of non-existing setting view/filter_current_build_plate.
2019-02-21 18:02:40,578 - DEBUG - [(139650019724928)-MainThread] cura.Scene.CuraSceneController.setActiveBuildPlate [101]: Select build plate: 0
2019-02-21 18:02:40,583 - DEBUG - [(139650019724928)-MainThread] UM.Controller.setActiveStage [155]: Setting active stage to PrepareStage
2019-02-21 18:02:40,584 - DEBUG - [(139650019724928)-MainThread] UM.Controller.setActiveView [92]: Setting active view to SolidView
mprotect failed in ExecutableAllocator::makeExecutable: Permission denied
Mapped JIT code for 

Fatal Python error: Segmentation fault

Thread 0x00007f02557fa700 (most recent call first):
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 293 in wait
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 424 in acquire
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3/dist-packages/UM/JobQueue.py", line 86 in _nextJob
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3/dist-packages/UM/JobQueue.py", line 116 in run
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 914 in _bootstrap_inner
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 882 in _bootstrap

Thread 0x00007f0255ffb700 (most recent call first):
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 293 in wait
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 424 in acquire
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3/dist-packages/UM/JobQueue.py", line 86 in _nextJob
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3/dist-packages/UM/JobQueue.py", line 116 in run
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 914 in _bootstrap_inner
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 882 in _bootstrap

Thread 0x00007f02567fc700 (most recent call first):
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 293 in wait
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 424 in acquire
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3/dist-packages/UM/JobQueue.py", line 86 in _nextJob
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3/dist-packages/UM/JobQueue.py", line 116 in run
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 914 in _bootstrap_inner
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 882 in _bootstrap

Thread 0x00007f0256ffd700 (most recent call first):
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 293 in wait
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 424 in acquire
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3/dist-packages/UM/JobQueue.py", line 86 in _nextJob
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3/dist-packages/UM/JobQueue.py", line 116 in run
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 914 in _bootstrap_inner
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 882 in _bootstrap

Thread 0x00007f02577fe700 (most recent call first):
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 293 in wait
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 424 in acquire
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3/dist-packages/UM/JobQueue.py", line 86 in _nextJob
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3/dist-packages/UM/JobQueue.py", line 116 in run
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 914 in _bootstrap_inner
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 882 in _bootstrap

Thread 0x00007f0257fff700 (most recent call first):
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 293 in wait
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 424 in acquire
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3/dist-packages/UM/JobQueue.py", line 86 in _nextJob
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3/dist-packages/UM/JobQueue.py", line 116 in run
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 914 in _bootstrap_inner
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 882 in _bootstrap

Thread 0x00007f0274e24700 (most recent call first):
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 293 in wait
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 424 in acquire
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3/dist-packages/UM/JobQueue.py", line 86 in _nextJob
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3/dist-packages/UM/JobQueue.py", line 116 in run
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 914 in _bootstrap_inner
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 882 in _bootstrap

Thread 0x00007f0275625700 (most recent call first):
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 293 in wait
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 424 in acquire
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3/dist-packages/UM/JobQueue.py", line 86 in _nextJob
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3/dist-packages/UM/JobQueue.py", line 116 in run
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 914 in _bootstrap_inner
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 882 in _bootstrap

Thread 0x00007f0275e26700 (most recent call first):
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3/dist-packages/UM/Backend/Backend.py", line 155 in _storeStderrToLogThread
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 862 in run
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 914 in _bootstrap_inner
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 882 in _bootstrap

Thread 0x00007f0276627700 (most recent call first):
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3/dist-packages/UM/Backend/Backend.py", line 147 in _storeOutputToLogThread
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 862 in run
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 914 in _bootstrap_inner
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 882 in _bootstrap

Thread 0x00007f02777fe700 (most recent call first):
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 297 in wait
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/site-packages/zeroconf.py", line 1569 in wait
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/site-packages/zeroconf.py", line 1153 in run
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 914 in _bootstrap_inner
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 882 in _bootstrap

Thread 0x00007f0277fff700 (most recent call first):
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 297 in wait
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/site-packages/zeroconf.py", line 1569 in wait
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/site-packages/zeroconf.py", line 1017 in run
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 914 in _bootstrap_inner
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 882 in _bootstrap

Thread 0x00007f02949be700 (most recent call first):
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/site-packages/zeroconf.py", line 946 in run
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 914 in _bootstrap_inner
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 882 in _bootstrap

Thread 0x00007f02951bf700 (most recent call first):
  File "/usr/share/cura-lulzbot/plugins/plugins/USBPrinting/USBPrinterOutputDeviceManager.py", line 86 in _updateThread
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 862 in run
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 914 in _bootstrap_inner
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 882 in _bootstrap

Thread 0x00007f0295ffb700 (most recent call first):
  File "/usr/share/cura-lulzbot/plugins/plugins/RemovableDriveOutputDevice/RemovableDrivePlugin.py", line 61 in _updateThread
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 862 in run
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 914 in _bootstrap_inner
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 882 in _bootstrap

Thread 0x00007f02967fc700 (most recent call first):
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 297 in wait
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/site-packages/zeroconf.py", line 1569 in wait
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/site-packages/zeroconf.py", line 1153 in run
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 914 in _bootstrap_inner
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 882 in _bootstrap

Thread 0x00007f0296ffd700 (most recent call first):
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 297 in wait
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/site-packages/zeroconf.py", line 1569 in wait
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/site-packages/zeroconf.py", line 1017 in run
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 914 in _bootstrap_inner
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 882 in _bootstrap

Thread 0x00007f02977fe700 (most recent call first):
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/site-packages/zeroconf.py", line 946 in run
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 914 in _bootstrap_inner
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 882 in _bootstrap

Thread 0x00007f0297fff700 (most recent call first):
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 297 in wait
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 549 in wait
  File "/usr/share/cura-lulzbot/plugins/plugins/UM3NetworkPrinting/NetworkPrinterOutputDevicePlugin.py", line 331 in _handleOnServiceChangedRequests
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 862 in run
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 914 in _bootstrap_inner
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/threading.py", line 882 in _bootstrap

Thread 0x00007f02cdd18e80 (most recent call first):
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3/dist-packages/UM/Qt/QtApplication.py", line 243 in initializeEngine
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3/dist-packages/cura/CuraApplication.py", line 866 in run
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/bin/cura-lulzbot", line 99 in <module>
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/site-packages/cx_Freeze-6.0b1-py3.5-linux-x86_64.egg/cx_Freeze/initscripts/Console.py", line 26 in run
  File "/home/buildbot/slave/CuraLEDevel-debian-stretch-64/build/build/inst/lib/python3.5/site-packages/cx_Freeze-6.0b1-py3.5-linux-x86_64.egg/cx_Freeze/initscripts/__startup__.py", line 14 in run
/usr/bin/cura-lulzbot: line 2: 12000 Segmentation fault      LD_LIBRARY_PATH=/usr/share/cura-lulzbot:/usr/share/cura-lulzbot/lib QT_PLUGIN_PATH=/usr/share/cura-lulzbot/qt/plugins QML2_IMPORT_PATH=/usr/share/cura-lulzbot/qml:/usr/share/cura-lulzbot/qt/qml /usr/share/cura-lulzbot/cura-lulzbot "$@"

It’s happening most probably because you have a hardened setup.

First thing to try is to remove noexec mount option for /home which most probably you have.
see https://bugreports.qt.io/browse/QTBUG-58508 setting QML_DISABLE_DISK_CACHE=1 might also work.