2026-06-11T04:05:05.739Z [ INFO] Starting package build
2026-06-11T04:05:05.740Z [ INFO] Unpacking bootstrap kit bootstrap=/data/packages/SmartOS/bootstrap-pbulk/bootstrap-upstream-trunk.tar.gz dest=/data/chroot/18
2026-06-11T04:05:10.469Z [ERROR] Package build failed
2026-06-11T04:05:10.657Z [ WARN] Failed to remove directory path=/data/chroot/18/opt/pkg error=Device busy (os error 16)