protoc-gen-prost 0 -> 1
attrpath: protoc-gen-prost
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 vendorSha256 or vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Success
[updateScript] this derivation will be built:
  /nix/store/njf6r31bqqykcg8jkinxp0ydjr60dajy-packages.json.drv
building '/nix/store/njf6r31bqqykcg8jkinxp0ydjr60dajy-packages.json.drv'...

Going to be running update for following packages:
 - protoc-gen-prost-0.3.1

Press Enter key to continue...
Running update for:
 - protoc-gen-prost-0.3.1: UPDATING ...
 - protoc-gen-prost-0.3.1: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/pr/protoc-gen-prost/package.nix b/pkgs/by-name/pr/protoc-gen-prost/package.nix
index 7c92095fbeee..8429f8ba27c1 100644
--- a/pkgs/by-name/pr/protoc-gen-prost/package.nix
+++ b/pkgs/by-name/pr/protoc-gen-prost/package.nix
@@ -7,14 +7,14 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "protoc-gen-prost";
-  version = "0.3.1";
+  version = "0.4.0";
 
   src = fetchCrate {
     inherit pname version;
-    hash = "sha256-ma9sdt3/uq06BMELwsNadMkiEfstQhA4DAQEPdizZJM=";
+    hash = "sha256-Bz5/LyKludw0Tz3r+xr4DMRdMSz/nRzjs7Q66z1PrTU=";
   };
 
-  cargoHash = "sha256-pJDrwX5uDIrycxtmbds8l4wadZE0RdgmNpMwVkUGJDs=";
+  cargoHash = "sha256-X6yEJBgW9XzCNSxEQYj6LdPjbCPyh4SnKwdA/+sNNeg=";
 
   passthru.updateScript = nix-update-script { };
 

No auto update branch exists
There might already be an open PR for this update:
- protoc-gen-tonic: 0.4.0 -> 0.4.1, protoc-gen-prost: 0.3.1 -> 0.4.0, protoc-gen-prost-serde: 0.3.0 -> 0.3.1, protoc-gen-prost-crate: 0.4.0 -> 0.4.1
  URL "https://api.github.com/repos/NixOS/nixpkgs/issues/336979"