these 2 derivations will be built:
  /nix/store/n8rk68ff72zb64i4a7k1iy6gay2g5vfr-flake-inputs.drv
  /nix/store/skydm9qqmw5kckn3sfxwbi6ckwyif8df-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy