++ mktemp -d
+ checkout=/tmp/tmp.zgOz1uG2k2
+ trap 'rm -rf "$checkout"' EXIT
+ cp -R /var/lib/ci-tron/sources/20261029T132854009322Z_f69a5d/. /tmp/tmp.zgOz1uG2k2
+ cd /tmp/tmp.zgOz1uG2k2
+ nix develop --command python3 scripts/capabilities.py docs --check
GC Warning: Could not open /proc/stat
+ rm -rf /tmp/tmp.zgOz1uG2k2