these 2 derivations will be built:
  /nix/store/4qq9jbarxiqadclrs5jzsvi0mjkfdg36-flake-inputs.drv
  /nix/store/ir0pv9qmw6hzk79l10vcw8146yghazlj-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy