j'ai ça sur l'environnement standard sur grid'5000:
2017-02-13T17:15:11.962Z (25850) [03:44.585ms] INFO: starting debsums step…
2017-02-13T17:15:12.396Z (25850) [03:45.019ms] DEBUG: remote> LC_ALL=C LANG=C DEBIAN_FRONTEND=noninteractive sudo -E debsums -a -c -l
2017-02-13T17:15:12.726Z (25850) [03:45.348ms] DEBUG: ssh cmd exec done
2017-02-13T17:15:12.726Z (25850) [03:45.349ms] INFO: debsums step finished
./dit.rb:471:in `block in cruft': unparsable "---- missing: dpkg ----" (RuntimeError)
from ./dit.rb:463:in `each'
from ./dit.rb:463:in `cruft'
from ./dit.rb:480:in `results'
from ./dit.rb:547:in `<main>'