Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: cargo-risczero 0 -> 1
attrpath: cargo-risczero
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/rq9pcp5si0asf4fpw23wylkf0hhl3r2f-packages.json.drv
building '/nix/store/rq9pcp5si0asf4fpw23wylkf0hhl3r2f-packages.json.drv'...

Going to be running update for following packages:
 - cargo-risczero-1.1.2

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - cargo-risczero-1.1.2: UPDATING ...
 - cargo-risczero-1.1.2: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/ca/cargo-risczero/package.nix b/pkgs/by-name/ca/cargo-risczero/package.nix
index aed35ada6c6e..cf19334b62c8 100644
--- a/pkgs/by-name/ca/cargo-risczero/package.nix
+++ b/pkgs/by-name/ca/cargo-risczero/package.nix
@@ -11,11 +11,11 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "cargo-risczero";
-  version = "1.1.2";
+  version = "3.0.5";
 
   src = fetchCrate {
     inherit pname version;
-    hash = "sha256-YZ3yhj1VLxl3Fg/yWhqrZXxIQ7oK6Gdo0NU39oDvoo8=";
+    hash = "sha256-1tuY+XoZpilak9gc5vDnRDEB1SK+itBWoGNxwefT6xo=";
   };
 
   src-recursion-hash = "28e4eeff7a8f73d27408d99a1e3e8842c79a5f4353e5117ec0b7ffaa7c193612"; # That is from cargoDeps/risc0-circuit-recursion/build.rs
@@ -29,7 +29,7 @@ rustPlatform.buildRustPackage rec {
     RECURSION_SRC_PATH = src-recursion;
   };
 
-  cargoHash = "sha256-r2bs1MT2jBK4ATUKyRGLEAFCHNaGnnQ4jbQOKbQbldY=";
+  cargoHash = "sha256-ayKQvhjYawPEl9ryVmDx4J93/EGPSeKds0mOnkRI2Fo=";
 
   nativeBuildInputs = [
     pkg-config

No auto update branch exists
Old version 1.1.2" not present in master derivation file with contents: {
  lib,
  fetchCrate,
  fetchurl,
  rustPlatform,
  pkg-config,
  openssl,
  nix-update-script,
}:
let
  # That is from cargoDeps/risc0-circuit-recursion/build.rs
  src-recursion-hash = "744b999f0a35b3c86753311c7efb2a0054be21727095cf105af6ee7d3f4d8849";
  src-recursion = fetchurl {
    name = "cargo-risczero-recursion-source";
    url = "https://risc0-artifacts.s3.us-west-2.amazonaws.com/zkr/${src-recursion-hash}.zip";
    outputHash = src-recursion-hash; # This hash should be the same as src-recuresion-hash
    outputHashAlgo = "sha256";
  };
in

rustPlatform.buildRustPackage (finalAttrs: {
  pname = "cargo-risczero";
  version = "3.0.5";

  src = fetchCrate {
    inherit (finalAttrs) pname version;
    hash = "sha256-1tuY+XoZpilak9gc5vDnRDEB1SK+itBWoGNxwefT6xo=";
  };

  env = {
    RECURSION_SRC_PATH = src-recursion;
  };

  cargoHash = "sha256-ayKQvhjYawPEl9ryVmDx4J93/EGPSeKds0mOnkRI2Fo=";

  nativeBuildInputs = [
    pkg-config
  ];

  buildInputs = [
    openssl
  ];

  passthru.updateScript = nix-update-script { };

  meta = {
    description = "Cargo extension to help create, manage, and test RISC Zero projects";
    mainProgram = "cargo-risczero";
    homepage = "https://risczero.com";
    license = with lib.licenses; [ asl20 ];
    maintainers = [ ];
  };
})