++ mktemp -d
+ checkout=/tmp/tmp.QHFO2CZ0h8
+ trap 'rm -rf "$checkout"' EXIT
+ cp -R /var/lib/ci-tron/sources/62b3aa38803403aa/. /tmp/tmp.QHFO2CZ0h8
+ cd /tmp/tmp.QHFO2CZ0h8
+ nix develop --command odin build . -out:term
GC Warning: Could not open /proc/stat
+ rm -rf /tmp/tmp.QHFO2CZ0h8