Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: elm-land 0 -> 1
attrpath: elm-land
Checking auto update branch...
[version] 
[version] generic version rewriter does not support multiple hashes
[rustCrateVersion] 
[rustCrateVersion] No cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorHash
[npmDepsVersion] 
[npmDepsVersion] skipping because derivation has updateScript
[updateScript] 
[updateScript] Success
[updateScript] these 2 derivations will be built:
  /nix/store/yn0gzld50384sd51nacpg6c788fv8wga-update-elm-land.drv
  /nix/store/67m48dcjqs0acwmc0nj3my055h2119cz-packages.json.drv
this path will be fetched (0.49 MiB download, 3.09 MiB unpacked):
  /nix/store/6m9ak0xgdk66c2sisij8id52a1rzzwrs-elm2nix-0.4.0
copying path '/nix/store/6m9ak0xgdk66c2sisij8id52a1rzzwrs-elm2nix-0.4.0' from 'https://cache.nixos.org'...
building '/nix/store/yn0gzld50384sd51nacpg6c788fv8wga-update-elm-land.drv'...
building '/nix/store/67m48dcjqs0acwmc0nj3my055h2119cz-packages.json.drv'...

Going to be running update for following packages:
 - elm-land-0.20.1

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - elm-land-0.20.1: UPDATING ...
 - elm-land-0.20.1: DONE.

Packages updated!

The diff was empty after rewrites.