2026-06-11T05:15:13.976Z [ INFO] Starting package build
2026-06-11T05:15:13.976Z [ INFO] Unpacking bootstrap kit bootstrap=/data/packages/SmartOS/bootstrap-pbulk/bootstrap-upstream-trunk.tar.gz dest=/data/chroot/16
2026-06-11T05:15:17.499Z [ERROR] Package build failed
2026-06-11T05:15:17.751Z [ WARN] Failed to remove directory path=/data/chroot/16/opt/pkg error=Device busy (os error 16)