++ mktemp -d
+ checkout=/tmp/tmp.jeiQn6L2bE
+ trap 'rm -rf "$checkout"' EXIT
+ cp -R /var/lib/ci-tron/sources/20261008T091510485262Z_25ea1a/. /tmp/tmp.jeiQn6L2bE
+ cd /tmp/tmp.jeiQn6L2bE
+ nix develop --command python3 scripts/capabilities.py check
GC Warning: Could not open /proc/stat
headless_test: building term...
FAIL term declares extended capability XM that no table entry documents
capabilities: 35 entries, 1 problem(s)
+ rm -rf /tmp/tmp.jeiQn6L2bE