++ mktemp -d
+ checkout=/tmp/tmp.DmRbvbBkbk
+ trap 'rm -rf "$checkout"' EXIT
+ cp -R /var/lib/ci-tron/sources/1af3c97c6b6473c6/. /tmp/tmp.DmRbvbBkbk
+ cd /tmp/tmp.DmRbvbBkbk
+ nix develop --command odin build . -out:term
GC Warning: Could not open /proc/stat
+ rm -rf /tmp/tmp.DmRbvbBkbk