these 2 derivations will be built:
  /nix/store/zar8b2y3p229d86c6g5v7kmnj94m5zkh-flake-inputs.drv
  /nix/store/975x9rqjk5nlx90mcqq8x06yy1phzzgs-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy