these 2 derivations will be built:
  /nix/store/yqf1q804rh6zp8iajy8wx99msi458fa3-flake-inputs.drv
  /nix/store/k0przrxnq8x41kgdz3dglamm2rnlkqxs-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy