2026-06-10T23:42:14.903Z [ INFO] Starting package build
2026-06-10T23:42:14.903Z [ INFO] Unpacking bootstrap kit bootstrap=/data/packages/SmartOS/bootstrap-pbulk/bootstrap-upstream-trunk.tar.gz dest=/data/chroot/18
2026-06-10T23:43:16.354Z [ERROR] Package build failed
2026-06-10T23:43:18.674Z [ WARN] Failed to remove directory path=/data/chroot/18/opt/pkg error=Device busy (os error 16)