this derivation will be built:
  /nix/store/76yn23lqrbr895578ly0jfyqwig2kxb7-docs-reference-current-test.drv
this path will be fetched (350.9 KiB download, 1.5 MiB unpacked):
  /nix/store/gv181gfnpncirgxv2394nbwk0sas4j2h-diffutils-3.12