2026-06-02T12:10:04.349Z [ INFO] Starting package build
2026-06-02T12:10:04.350Z [ INFO] Unpacking bootstrap kit bootstrap=/data/packages/SmartOS/bootstrap-pbulk/bootstrap-upstream-bulktest.tar.gz dest=/data/chroot/1
2026-06-02T12:10:04.964Z [ INFO] Running make stage stage=pre-clean
2026-06-02T12:10:34.731Z [ INFO] Running make stage stage=checksum
2026-06-02T12:10:35.231Z [ERROR] Package build failed
2026-06-02T12:10:38.126Z [ WARN] Failed to remove directory path=/data/chroot/1/opt/pkg error=Device busy (os error 16)