Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: biff 0.1.1 -> 0.1.4 https://github.com/BurntSushi/biff/releases
attrpath: biff
Checking auto update branch...
[version] 
[version] generic version rewriter does not support multiple hashes
[rustCrateVersion] 
[rustCrateVersion] skipping because derivation has updateScript
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Success
[updateScript] this derivation will be built:
  /nix/store/83wfqyrz31cgjn6ywcj16fgpdl3c7i0q-packages.json.drv
building '/nix/store/83wfqyrz31cgjn6ywcj16fgpdl3c7i0q-packages.json.drv'...

Going to be running update for following packages:
 - biff-0.1.1

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - biff-0.1.1: UPDATING ...
 - biff-0.1.1: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/bi/biff/package.nix b/pkgs/by-name/bi/biff/package.nix
index 422d74d9c7cc..da34d2f91f8f 100644
--- a/pkgs/by-name/bi/biff/package.nix
+++ b/pkgs/by-name/bi/biff/package.nix
@@ -8,18 +8,18 @@
 }:
 rustPlatform.buildRustPackage (finalAttrs: {
   pname = "biff";
-  version = "0.1.1";
+  version = "0.1.4";
 
   src = fetchFromGitHub {
     owner = "BurntSushi";
     repo = "biff";
     tag = finalAttrs.version;
-    hash = "sha256-7KkzmaWbUHrLUd7lADJLPLSeE/RYJvVAEL+FcE5KIhY=";
+    hash = "sha256-KB9ix/4UTNoxXAT+EuCtcjjFKurwPYrYBcx4H2ctv/E=";
   };
 
   buildFeatures = lib.optional withLocaleSupport "locale";
 
-  cargoHash = "sha256-pGY1KDcsBz5J/mf4c8zDVbivgzfimSy8ruNoa+Pn9p8=";
+  cargoHash = "sha256-afmzxV+rN2Cw1cQltsml4Z6NsP3E5FEf/VY9RRWE+uc=";
 
   doInstallCheck = true;
   nativeInstallCheckInputs = [ versionCheckHook ];

No auto update branch exists
There might already be an open PR for this update:
- bttf: init at 0.1.4
  URL "https://api.github.com/repos/NixOS/nixpkgs/issues/525261"