2026-05-05T01:41:44.320Z [ INFO] Starting package build
2026-05-05T01:41:44.320Z [ INFO] Unpacking bootstrap kit bootstrap=/data/packages/SmartOS/bootstrap-pbulk/bootstrap-upstream-bulktest.tar.gz dest=/data/chroot/10
2026-05-05T01:41:44.653Z [ INFO] Running make stage stage=pre-clean
2026-05-05T01:41:45.122Z [ INFO] Running make stage stage=checksum
2026-05-05T01:41:48.367Z [ERROR] Package build failed
2026-05-05T01:41:48.628Z [ WARN] Failed to remove directory path=/data/chroot/10/opt/pkg error=Device busy (os error 16)