Using Docker executor with image buildstream/testsuite-debian:9-master-123-7ce6581b ...
Pulling docker image buildstream/testsuite-debian:9-master-123-7ce6581b ...
Using docker image sha256:38f4a396dc81ff4b1d932443e9128db24704ff9ffba361dfa0a5b06da096a745 for buildstream/testsuite-debian:9-master-123-7ce6581b ...
section_start:1546441137:prepare_script
Running on runner-a334e492-project-1975139-concurrent-0 via runner-a334e492-gitlab-runner-autoscale-1546440543-f65b0b54...
section_end:1546441138:prepare_script
section_start:1546441138:get_sources
Cloning repository...
Cloning into '/builds/BuildStream/buildstream'...
Checking out 1a373620 as valentindavid/sysroot_dependencies...
fatal: reference is not a tree: 1a3736208915ab82708a312e5b10d567346a44ab
section_end:1546441145:get_sources
section_start:1546441145:upload_artifacts_on_failure
section_end:1546441146:upload_artifacts_on_failure
ERROR: Job failed: exit code 1