2026-05-11T08:38:37.529Z [ INFO] Starting package build
2026-05-11T08:38:37.529Z [ INFO] Unpacking bootstrap kit bootstrap=/data/packages/SmartOS/bootstrap-pbulk/bootstrap-upstream-bulktest.tar.gz dest=/data/chroot/11
2026-05-11T08:38:37.874Z [ INFO] Running make stage stage=pre-clean
2026-05-11T08:38:38.454Z [ INFO] Running make stage stage=checksum
2026-05-11T08:38:41.926Z [ERROR] Package build failed
2026-05-11T08:38:42.214Z [ WARN] Failed to remove directory path=/data/chroot/11/opt/pkg error=Device busy (os error 16)