these 3 derivations will be built:
  /nix/store/q7ssn1yjjip61zpv8sz9rmqmsj01v096-treefmt.toml.drv
  /nix/store/f3v68syjzdh2a270q6gyynp36qcdmyml-treefmt.drv
  /nix/store/i70pnw7macgh0g0nny8ww9ilwf1r8a6k-treefmt-check.drv
these 2 paths will be fetched (12.7 MiB download, 35.0 MiB unpacked):
  /nix/store/lia4rwvd57lpzcc5nz3dl7xq5i7czk61-ruff-0.16.5
  /nix/store/6pzbrbrq1zpzqwchy6isj7k8hvqmn3nh-treefmt-2.6.0