introduce the coarse index

2 jobs for master in 45 seconds (queued for 42 seconds)
Status Job ID Name Coverage
  Build
failed #277906
latex
generate_pdf

00:00:45

 
  Upload
skipped #277907
latex
upload_to_sciebo
 
Name Stage Failure
failed
generate_pdf Build
Latexmk: Found input bbl file 'index_theory.bbl'
Latexmk: Log file says output to 'index_theory.pdf'
Latexmk: Found biber source file(s) [index_theory.bcf literature.bib]
Collected error summary (may duplicate other messages):
pdflatex: Command for 'pdflatex' gave return code 1
Refer to 'index_theory.log' for details
=== TeX engine is 'LuaTeX'
Latexmk: Errors, in force_mode: so I tried finishing targets
ERROR: Job failed: exit status 1