these 2 derivations will be built:
  /nix/store/ilabm6gsqd8igxkfsbg1ash48bqslh8s-flake-inputs.drv
  /nix/store/jxrjr6wv83c0zwl1pwp7kk6m2nixzjdq-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy