these 2 derivations will be built:
  /nix/store/jf7h0w3065rajqbnzd3wdf1mij4v43k4-pre-commit-config.json.drv
  /nix/store/rnkhm9s7kmsw69zja4v9x64dvjkgfl5d-nix-shell.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy