2026-05-05T14:32:42.238Z [ INFO] Starting package build
2026-05-05T14:32:42.239Z [ INFO] Unpacking bootstrap kit bootstrap=/data/packages/SmartOS/bootstrap-pbulk/bootstrap-upstream-bulktest.tar.gz dest=/data/chroot/16
2026-05-05T14:32:42.672Z [ INFO] Running make stage stage=pre-clean
2026-05-05T14:32:43.222Z [ INFO] Running make stage stage=checksum
2026-05-05T14:32:47.831Z [ERROR] Package build failed
2026-05-05T14:32:48.182Z [ WARN] Failed to remove directory path=/data/chroot/16/opt/pkg error=Device busy (os error 16)