2026-05-05T14:05:09.792Z [ INFO] Starting package build
2026-05-05T14:05:09.792Z [ INFO] Unpacking bootstrap kit bootstrap=/data/packages/SmartOS/bootstrap-pbulk/bootstrap-upstream-bulktest.tar.gz dest=/data/chroot/9
2026-05-05T14:05:10.100Z [ INFO] Running make stage stage=pre-clean
2026-05-05T14:05:10.684Z [ INFO] Running make stage stage=checksum
2026-05-05T14:05:11.085Z [ERROR] Package build failed
2026-05-05T14:05:11.475Z [ WARN] Failed to remove directory path=/data/chroot/9/opt/pkg error=Device busy (os error 16)