get_valid_interaction fails with exitcode 137 with --digestion arima

[heuermh]

There isn't much context provided with the following error

$ nextflow run main.nf \
  -profile docker \
  --genome GRCh38 \
  --digestion arima \
  --input '/home/ec2-user/*{1,2}.fastq.gz'

...

Error executing process > 'get_valid_interaction (sample)'

Caused by:
  Process `get_valid_interaction (sample)` terminated with an error exit status (137)

Command executed:

  mapped_2hic_fragments.py -f restriction_fragments.bed -r sample_bwt2pairs.bam --all
  sort -k2,2V -k3,3n -k5,5V -k6,6n -o sample_bwt2pairs.validPairs sample_bwt2pairs.validPairs

Command exit status:
  137

Command output:
  (empty)

Command error:
  .command.sh: line 2:
    27 Killed                  mapped_2hic_fragments.py -f restriction_fragments.bed -r sample_bwt2pairs.bam --all

...

$ cat .exitcode
137

$ cat .command.err
/home/ec2-user/hic/work/19/3e1cb12b33b4f95171a7c8141e2566/.command.sh: line 2:
    27 Killed                  mapped_2hic_fragments.py -f restriction_fragments.bed -r sample_bwt2pairs.bam --all

Might you happen to know of any test datasets that use the ARIMA protocol, so that I may create a reproducible case?

Check Documentation

I have checked the following places for your error:

• [ ] nf-core website: troubleshooting
• [ ] nf-core/hic pipeline documentation

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