2026-06-02T10:55:12.513Z [ INFO] Starting package build
2026-06-02T10:55:12.513Z [ INFO] Unpacking bootstrap kit bootstrap=/data/packages/SmartOS/bootstrap-pbulk/bootstrap-upstream-bulktest.tar.gz dest=/data/chroot/5
2026-06-02T10:55:13.542Z [ INFO] Running make stage stage=pre-clean
2026-06-02T10:55:17.915Z [ INFO] Running make stage stage=checksum
2026-06-02T10:55:21.765Z [ERROR] Package build failed
2026-06-02T10:55:22.677Z [ WARN] Failed to remove directory path=/data/chroot/5/opt/pkg error=Device busy (os error 16)