these 2 derivations will be built:
  /nix/store/9gj0z9i1xx1kchvh4xc9mqjdylg6jjvd-flake-inputs.drv
  /nix/store/jzm5hg4y37wpjc866l0di2fvj68iqi9q-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy