these 2 derivations will be built:
  /nix/store/qjj6z3ppf6wymk9ywdw1pp1csx6rvgv0-flake-inputs.drv
  /nix/store/jzydbbbcayg5bxpggsa7lbf2mdz37h4v-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy