this derivation will be built:
  /nix/store/g1izcl4slq5rn2yaa0yiaspbgj24cz2k-iets-fmt-0.1.0.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy