these 2 derivations will be built:
  /nix/store/60ifjxk7jimnppzgn4msak1i26829s08-flake-inputs.drv
  /nix/store/ci5l5sp744aaxjrn904iz29d1wrs28y1-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy