2026-05-31T11:29:35.119Z [ INFO] Starting package build
2026-05-31T11:29:35.120Z [ INFO] Unpacking bootstrap kit bootstrap=/data/packages/SmartOS/bootstrap-pbulk/bootstrap-upstream-bulktest.tar.gz dest=/data/chroot/3
2026-05-31T11:29:38.600Z [ INFO] Running make stage stage=pre-clean
2026-05-31T11:29:49.910Z [ INFO] Running make stage stage=checksum
2026-05-31T11:29:53.931Z [ERROR] Package build failed
2026-05-31T11:29:59.482Z [ WARN] Failed to remove directory path=/data/chroot/3/opt/pkg error=Device busy (os error 16)