this derivation will be built:
  /nix/store/6qykjyqw2ydqvwi48xx0ywszh71crkh3-treefmt.toml.drv
this path will be fetched (7.7 MiB download, 29.6 MiB unpacked):
  /nix/store/7m5ksl5qyj9dxri1pjpf87i0a6qyry0y-oxfmt-0.68.0