++ mktemp -d
+ checkout=/tmp/tmp.MhQzWZ7rQa
+ trap 'rm -rf "$checkout"' EXIT
+ cp -R /var/lib/ci-tron/sources/1cf8ec26875f6b87/. /tmp/tmp.MhQzWZ7rQa
+ cd /tmp/tmp.MhQzWZ7rQa
+ nix develop --command odin build . -out:term
GC Warning: Could not open /proc/stat
+ rm -rf /tmp/tmp.MhQzWZ7rQa