2026-06-02T11:20:55.305Z [ INFO] Starting package build
2026-06-02T11:20:55.305Z [ INFO] Unpacking bootstrap kit bootstrap=/data/packages/SmartOS/bootstrap-pbulk/bootstrap-upstream-bulktest.tar.gz dest=/data/chroot/17
2026-06-02T11:20:55.870Z [ INFO] Running make stage stage=pre-clean
2026-06-02T11:20:56.800Z [ INFO] Running make stage stage=checksum
2026-06-02T11:20:57.344Z [ERROR] Package build failed
2026-06-02T11:20:57.917Z [ WARN] Failed to remove directory path=/data/chroot/17/opt/pkg error=Device busy (os error 16)