these 2 derivations will be built:
  /nix/store/xa4lzjqjq7cpxwg1jhbrxq05aq6lidqr-flake-inputs.drv
  /nix/store/i5f20xg9msa3lcbvn148gpfmpf2ssnpg-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy