We are really sorry.
The page https://hydra.nixos.org/api/scmdiff?rev2=d048577909e383439c2549e849c5c2f2016c997e&uri=https%3A%2F%2Fgithub.com%2FNixOS%2Fnix.git&type=git&branch=&rev1=9950cdec3514949942a79c58764b1ea9bf9d5d57 was already broken when Wikiwix Archive tried to download it, or the website does not allow this page to be archived.