Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: crosvm 0-unstable-2025-11-24 -> 129.0 https://repology.org/project/crosvm/versions
attrpath: crosvm
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] these 2 derivations will be built:
  /nix/store/ikkzyrq15zk0ra8pl6x1my80wlyr3135-update-crosvm.sh.drv
  /nix/store/sirpi64d26c71nzdydvp4yvhaicj7ph4-packages.json.drv
building '/nix/store/ikkzyrq15zk0ra8pl6x1my80wlyr3135-update-crosvm.sh.drv'...
building '/nix/store/sirpi64d26c71nzdydvp4yvhaicj7ph4-packages.json.drv'...

Going to be running update for following packages:
 - crosvm-0-unstable-2025-11-24

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - crosvm-0-unstable-2025-11-24: UPDATING ...
 - crosvm-0-unstable-2025-11-24: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/cr/crosvm/package.nix b/pkgs/by-name/cr/crosvm/package.nix
index dfedae5dfb02..88701dccb729 100644
--- a/pkgs/by-name/cr/crosvm/package.nix
+++ b/pkgs/by-name/cr/crosvm/package.nix
@@ -21,18 +21,18 @@
 
 rustPlatform.buildRustPackage {
   pname = "crosvm";
-  version = "0-unstable-2025-11-24";
+  version = "0-unstable-2025-12-22";
 
   src = fetchgit {
     url = "https://chromium.googlesource.com/chromiumos/platform/crosvm";
-    rev = "18bc84d003e04108d973a5233f0c6f3b2039d756";
-    hash = "sha256-7nm9QSmDkiUoTMcM1oMK1/QwSAnLAgvuYPoxTaJWMpQ=";
+    rev = "21e4ec9f9be80eca1b13b8df0fc362529785adcf";
+    hash = "sha256-4GufUu9C9aiVW2dteOHiR2ScKJkf9vDGw4TByp7X2AQ=";
     fetchSubmodules = true;
   };
 
   separateDebugInfo = true;
 
-  cargoHash = "sha256-NeyJLsE/Uvcg/kNzS1SXEBjExKwbjcHkkhT2jSQjxx4=";
+  cargoHash = "sha256-pmXQHrPfgUowl9KtUyuDG3EPXUc8hDBQpRG01/kX1NQ=";
 
   nativeBuildInputs = [
     pkg-config

An auto update branch exists with message `crosvm: 0-unstable-2025-11-24 -> 0-unstable-2025-12-22`. New version is 0-unstable-2025-12-22.
An auto update branch exists with an equal or greater version