Recent Azure builds are failing for the Linux builds with the following error: ##[section]Starting: Test ============================================================================== Task : Command line Description : Run a command line script using Bash on Linux and macOS and cmd.exe on Windows Version : 2.151.2 Author : Microsoft Corporation Help : https://docs.microsoft.com/azure/devops/pipelines/tasks/utility/command-line ============================================================================== Generating script. ========================== Starting Command Output =========================== [command]/bin/bash --noprofile --norc /__w/_temp/823d09b8-e953-4f93-a9a8-0d863a25f1ce.sh /__w/_temp/823d09b8-e953-4f93-a9a8-0d863a25f1ce.sh: line 11: 6307 Segmentation fault (core dumped) libtbx.run_tests_parallel module=boost_adaptbx module=cctbx module=cma_es module=fable module=gltbx module=iotbx module=libtbx module=rstbx module=scitbx module=simtbx module=smtbx module=spotfinder module=annlib_adaptbx module=cbflib_adaptbx nproc=4 ##[error]Bash exited with code '139'. ##[section]Finishing: Test https://dev.azure.com/cctbx/cctbx_project/_build/results?buildId=256 The last successful Linux Python 2.7 master build was https://dev.azure.com/cctbx/cctbx_project/_build/results?buildId=240 The first failing Linux Python 2.7 master build was https://dev.azure.com/cctbx/cctbx_project/_build/results?buildId=245 Mac builds appear to be fine. Does anyone have any idea what is the issue? Cheers, Richard Dr Richard Gildea Data Analysis Scientist Tel: +441235 77 8078 Diamond Light Source Ltd. Diamond House Harwell Science & Innovation Campus Didcot Oxfordshire OX11 0DE -- This e-mail and any attachments may contain confidential, copyright and or privileged material, and are for the use of the intended addressee only. If you are not the intended addressee or an authorised recipient of the addressee please notify us of receipt by returning the e-mail and do not use, copy, retain, distribute or disclose the information in or attached to the e-mail. Any opinions expressed within this e-mail are those of the individual and not necessarily of Diamond Light Source Ltd. Diamond Light Source Ltd. cannot guarantee that this e-mail or any attachments are free from viruses and we cannot accept liability for any damage which you may sustain as a result of software viruses which may be transmitted in or with the message. Diamond Light Source Limited (company no. 4375679). Registered in England and Wales with its registered office at Diamond House, Harwell Science and Innovation Campus, Didcot, Oxfordshire, OX11 0DE, United Kingdom