++ mktemp -d + checkout=/tmp/tmp.DAZ2Gdpbr5 + trap 'rm -rf "$checkout"' EXIT + cp -R /var/lib/ci-tron/sources/14f7f65498905cc2/. /tmp/tmp.DAZ2Gdpbr5 + cd /tmp/tmp.DAZ2Gdpbr5 + nix develop --command odin build . -out:term GC Warning: Could not open /proc/stat + rm -rf /tmp/tmp.DAZ2Gdpbr5