2026-06-11T03:48:41.451Z [ INFO] Starting package build
2026-06-11T03:48:41.451Z [ INFO] Unpacking bootstrap kit bootstrap=/data/packages/SmartOS/bootstrap-pbulk/bootstrap-upstream-trunk.tar.gz dest=/data/chroot/15
2026-06-11T03:49:26.972Z [ERROR] Package build failed
2026-06-11T03:49:28.913Z [ WARN] Failed to remove directory path=/data/chroot/15/opt/pkg error=Device busy (os error 16)