2026-05-11T08:26:33.840Z [ INFO] Starting package build
2026-05-11T08:26:33.840Z [ INFO] Unpacking bootstrap kit bootstrap=/data/packages/SmartOS/bootstrap-pbulk/bootstrap-upstream-bulktest.tar.gz dest=/data/chroot/6
2026-05-11T08:26:34.134Z [ INFO] Running make stage stage=pre-clean
2026-05-11T08:26:35.455Z [ INFO] Running make stage stage=checksum
2026-05-11T08:26:52.681Z [ERROR] Package build failed
2026-05-11T08:26:52.972Z [ WARN] Failed to remove directory path=/data/chroot/6/opt/pkg error=Device busy (os error 16)