Raise when chromium headless crashed, instead of silently return None

4 jobs for master in 3 minutes and 26 seconds (queued for 7 seconds)
latest
Status Job ID Name Coverage
  Download
failed #276200
dbnomics-fetcher
download

00:03:26

 
  Convert
skipped #276205
dbnomics-fetcher
convert
 
  Validate
skipped #276210
dbnomics-fetcher
validate
 
  Index
skipped #276215
dbnomics-indexer
index
 
Name Stage Failure
failed
download Download
real	0m26.841s
user 0m1.736s
sys 0m0.544s
+ kill 2680
Uploading artifacts for failed job
Uploading artifacts...
WARNING: /builds/dbnomics-fetchers/bcb-fetcher/job.env: no matching files
ERROR: No files to upload
ERROR: Job failed: command terminated with exit code 1