these 2 derivations will be built:
  /nix/store/jdbwpgdyvhny7xsajhsqjdld9ymmg1a3-flake-inputs.drv
  /nix/store/bd7r3szq2x4rjdp3swdb6imz6yzwvq56-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy