these 2 derivations will be built:
  /nix/store/0r707mf64vzv9hazrsd4lwhf4p7fvn3h-iets-0.2.0.drv
  /nix/store/mwd7655hinnp8p1qfmbcaayjpzhk1fa0-iets-classic-2.34.9.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy