2026-06-11T04:50:07.947Z [ INFO] Starting package build
2026-06-11T04:50:07.947Z [ INFO] Unpacking bootstrap kit bootstrap=/data/packages/SmartOS/bootstrap-pbulk/bootstrap-upstream-trunk.tar.gz dest=/data/chroot/15
2026-06-11T04:50:11.486Z [ERROR] Package build failed
2026-06-11T04:50:11.698Z [ WARN] Failed to remove directory path=/data/chroot/15/opt/pkg error=Device busy (os error 16)