reading sources... [100%] using_tutorial
Warning, treated as error:
/builds/BuildStream/buildstream/dist/buildstream/doc/source/arch_data_model.rst::image file not readable: images/arch-datamodel-element.svg
Makefile:143: recipe for target 'html' failed
make: Leaving directory '/builds/BuildStream/buildstream/dist/buildstream/doc'
make: *** [html] Error 2
section_end:1540820706:build_script
section_start:1540820706:after_script
section_end:1540820708:after_script
section_start:1540820708:upload_artifacts_on_failure
section_end:1540820709:upload_artifacts_on_failure
ERROR: Job failed: exit code 1