2026-05-05T16:02:16.100Z [ INFO] Starting package build
2026-05-05T16:02:16.100Z [ INFO] Unpacking bootstrap kit bootstrap=/data/packages/SmartOS/bootstrap-pbulk/bootstrap-upstream-bulktest.tar.gz dest=/data/chroot/4
2026-05-05T16:02:16.420Z [ INFO] Running make stage stage=pre-clean
2026-05-05T16:02:20.138Z [ INFO] Running make stage stage=checksum
2026-05-05T16:02:20.506Z [ INFO] Running make stage stage=configure
2026-05-05T16:02:28.640Z [ERROR] Package build failed
2026-05-05T16:02:29.085Z [ WARN] Failed to remove directory path=/data/chroot/4/opt/pkg error=Device busy (os error 16)