these 2 derivations will be built:
  /nix/store/2qn01ggp7kd661735m8d7qsizg3vclgp-flake-inputs.drv
  /nix/store/y5fhfz8f8ml89aaks89xy78fcimd4jq0-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy