Downloading: s3://natera-platform-sandbox/users/sgoyal/resources/GRCh38/Homo_sapiens_assembly38.fasta
  Downloading: s3://natera-rnd-pltf-dev-nextflow-scratch-01/work/8a/fc2bdc7ad04d7f8a8eaa20c82729ce/.command.sh
  Downloading: s3://natera-rnd-pltf-dev-nextflow-scratch-01/work/de/786a2804e7f371871722930058fa5c/HG02855_x_HG02886_FF_10.mix.bam.bai
  Downloading: s3://natera-platform-sandbox/users/sgoyal/resources/GRCh38/Homo_sapiens_assembly38.fasta.fai
  Downloading: s3://natera-platform-sandbox/users/tdouglas/nipt_caller/adaptive_alpha_features/inputs/vcfs/HG02855_x_HG02886_FF_10.vcf
  Downloading: s3://natera-rnd-pltf-dev-nextflow-scratch-01/work/de/786a2804e7f371871722930058fa5c/HG02855_x_HG02886_FF_10.mix.bam
  Downloading: s3://natera-rnd-pltf-dev-nextflow-scratch-01/work/8a/fc2bdc7ad04d7f8a8eaa20c82729ce/.command.run
  Downloading: s3://natera-platform-sandbox/users/tdouglas/nipt_caller/adaptive_alpha_features/inputs/targets/HG02855_x_HG02886_FF_10.targets.tsv
==> STAGING COMPLETE (8 inputs)

[init] ff = 0.100
[init] alphas = [0.012, 0.05, 0.1]
[init] opening BAM HG02855_x_HG02886_FF_10.mix.bam
[W::hts_idx_load3] The index file is older than the data file: HG02855_x_HG02886_FF_10.mix.bam.bai
[init] opening reference Homo_sapiens_assembly38.fasta
[init] target list: 23548 sites
[chrom] starting chr1
[progress] 100 variants processed (ok=100 no_reads=0 ref_mismatch=0 other=0) elapsed=20.6s rate=4.9/s
[progress] 200 variants processed (ok=200 no_reads=0 ref_mismatch=0 other=0) elapsed=45.4s rate=4.4/s
[progress] 300 variants processed (ok=300 no_reads=0 ref_mismatch=0 other=0) elapsed=70.9s rate=4.2/s