these 2 derivations will be built:
  /nix/store/sg6f92d91cqlsj6ms2zaz45c87ga4bzx-freebuff-linux-arm64.tar.gz.drv
  /nix/store/l6c5pm3v567b6rniwccq9bxxfnzi1hwx-freebuff-0.0.163.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy