2026-06-02T10:54:43.673Z [ INFO] Starting package build
2026-06-02T10:54:43.673Z [ INFO] Unpacking bootstrap kit bootstrap=/data/packages/SmartOS/bootstrap-pbulk/bootstrap-upstream-bulktest.tar.gz dest=/data/chroot/13
2026-06-02T10:54:44.730Z [ INFO] Running make stage stage=pre-clean
2026-06-02T10:54:49.018Z [ INFO] Running make stage stage=checksum
2026-06-02T10:54:54.500Z [ERROR] Package build failed
2026-06-02T10:54:55.447Z [ WARN] Failed to remove directory path=/data/chroot/13/opt/pkg error=Device busy (os error 16)