Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: alsa-ucm-conf 0 -> 1
attrpath: alsa-ucm-conf
Checking auto update branch...
[version] 
[version] generic version rewriter does not support multiple hashes
[rustCrateVersion] 
[rustCrateVersion] No cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Success
[updateScript] this derivation will be built:
  /nix/store/1pndpkr2kqdgszidg34rzsvskndcswrn-packages.json.drv
building '/nix/store/1pndpkr2kqdgszidg34rzsvskndcswrn-packages.json.drv'...

Going to be running update for following packages:
 - alsa-ucm-conf-1.2.15.3

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - alsa-ucm-conf-1.2.15.3: UPDATING ...
 - alsa-ucm-conf-1.2.15.3: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/al/alsa-ucm-conf/package.nix b/pkgs/by-name/al/alsa-ucm-conf/package.nix
index 5f0e2130bb84..22c55004c41b 100644
--- a/pkgs/by-name/al/alsa-ucm-conf/package.nix
+++ b/pkgs/by-name/al/alsa-ucm-conf/package.nix
@@ -10,11 +10,11 @@
 
 stdenvNoCC.mkDerivation (finalAttrs: {
   pname = "alsa-ucm-conf";
-  version = "1.2.15.3";
+  version = "1.2.16";
 
   src = fetchurl {
     url = "mirror://alsa/lib/alsa-ucm-conf-${finalAttrs.version}.tar.bz2";
-    hash = "sha256-n3noE8CPyGz6Rt11xPzaGkpRtILbJgfh/PqvuS9YijE=";
+    hash = "sha256-rLyXLW5x7fo0Xnav3xDDmf0PHzz5DYSv20z1G/xKZUg=";
   };
 
   patches = [

No auto update branch exists
Received ExitFailure 1 when running
Raw command: nix-build --option sandbox true --arg config "{ allowUnfree = true; allowAliases = false; }" --arg overlays "[ ]" -A alsa-ucm-conf
nix build failed.
got build log for 'alsa-ucm-conf' from 'daemon'
Running phase: unpackPhase
@nix { "action": "setPhase", "phase": "unpackPhase" }
unpacking source archive /nix/store/g2dw6lha02yg60aqhgbxl1hry2mhqml4-alsa-ucm-conf-1.2.16.tar.bz2
source root is alsa-ucm-conf-1.2.16
setting SOURCE_DATE_EPOCH to timestamp 1780301067 of file "alsa-ucm-conf-1.2.16/ucm2/ucm.conf"
Running phase: patchPhase
@nix { "action": "setPhase", "phase": "patchPhase" }
applying patch /nix/store/xyxa092y93l4yzfhq6is26ighj8sf955-95377000e849259764f37295e0ddd58fd8a55a76.patch
patching file ucm2/USB-Audio/UniversalAudio/Volt2.conf
Reversed (or previously applied) patch detected!  Assume -R? [n] 
Apply anyway? [n] 
Skipping patch.
1 out of 1 hunk ignored -- saving rejects to file ucm2/USB-Audio/UniversalAudio/Volt2.conf.rej