2026-06-10T22:12:41.993Z [ INFO] Starting package build
2026-06-10T22:12:41.993Z [ INFO] Unpacking bootstrap kit bootstrap=/data/packages/SmartOS/bootstrap-pbulk/bootstrap-upstream-trunk.tar.gz dest=/data/chroot/18
2026-06-10T22:14:08.227Z [ERROR] Package build failed
2026-06-10T22:14:13.750Z [ WARN] Failed to remove directory path=/data/chroot/18/opt/pkg error=Device busy (os error 16)