MCFLIRT ends with Return code 137

[sentry-io]

Sentry Issue: FMRIPREP-213

sigkill

RuntimeError: Command:
mcflirt -in /tmp/work/fmriprep_wf/single_subject_subj0_wf/func_preproc_task_rest_acq_seq6_wf/bold_reference_wf/validate/sub-subj0_task-rest_acq-seq6_bold_valid.nii.gz -out /tmp/work/fmriprep_wf/single_subject_subj0_wf/func_preproc_task_rest_acq_seq6_wf/bold_hmc_wf/mcflirt/sub-subj0_task-rest_acq-seq6_bold_valid_mcf.nii.gz -reffile /tmp/work/fmriprep_wf/single_subject_subj0_wf/func_preproc_task_rest_acq_seq6_wf/bold_reference_wf/validate_ref/ref_image_valid.nii.gz -mats -plots
Standard output:

Standard error:
Killed
Return code: 137

[oesteban]

Add something related to this https://success.docker.com/article/what-causes-a-container-to-exit-with-code-137 to the docs.