++ mktemp -d
+ checkout=/tmp/tmp.d0FIr5BU01
+ trap 'rm -rf "$checkout"' EXIT
+ cp -R /var/lib/ci-tron/sources/30b8268b3bae3cda/. /tmp/tmp.d0FIr5BU01
+ cd /tmp/tmp.d0FIr5BU01
+ nix develop --command odin build . -out:term
GC Warning: Could not open /proc/stat
+ rm -rf /tmp/tmp.d0FIr5BU01