2026-05-11T09:57:44.383Z [ INFO] Starting package build
2026-05-11T09:57:44.383Z [ INFO] Unpacking bootstrap kit bootstrap=/data/packages/SmartOS/bootstrap-pbulk/bootstrap-upstream-bulktest.tar.gz dest=/data/chroot/1
2026-05-11T09:57:44.662Z [ INFO] Running make stage stage=pre-clean
2026-05-11T09:57:45.101Z [ INFO] Running make stage stage=checksum
2026-05-11T09:57:48.190Z [ERROR] Package build failed
2026-05-11T09:57:48.446Z [ WARN] Failed to remove directory path=/data/chroot/1/opt/pkg error=Device busy (os error 16)