these 4 derivations will be built:
  /nix/store/hfp7fjxv9byckyl19wg62v4m1zjk0i8v-home-manager-files.drv
  /nix/store/14w6f1n87giymh9c1f5k877f02lgc5g5-hm-putter.json.drv
  /nix/store/1gjd3wfazc8n68p6zm7xblbrp5p53rxb-home-manager-agents.drv
  /nix/store/hsyskphfjzf76wcbljckigd92z25s7qn-home-manager-generation.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy