Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: calibre 0 -> 1
attrpath: calibre
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/dc8pyaf0sf7fhsrsxhhq3dvvf2hdz38r-packages.json.drv
building '/nix/store/dc8pyaf0sf7fhsrsxhhq3dvvf2hdz38r-packages.json.drv'...

Going to be running update for following packages:
 - calibre-9.11.0

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - calibre-9.11.0: UPDATING ...
 - calibre-9.11.0: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/ca/calibre/package.nix b/pkgs/by-name/ca/calibre/package.nix
index 2b71eee9f958..10af8927efc8 100644
--- a/pkgs/by-name/ca/calibre/package.nix
+++ b/pkgs/by-name/ca/calibre/package.nix
@@ -40,11 +40,11 @@ let
 in
 stdenv.mkDerivation (finalAttrs: {
   pname = "calibre";
-  version = "9.11.0";
+  version = "9.12.0";
 
   src = fetchurl {
     url = "https://download.calibre-ebook.com/${finalAttrs.version}/calibre-${finalAttrs.version}.tar.xz";
-    hash = "sha256-UNQuOzLsURb2sd8JlTf0vsrza/7ez59YG3Q/Edi2yzY=";
+    hash = "sha256-bitJ4iEPQHMLuaeevZEI6MHZ4sizSrChqe8j+TaxIO0=";
   };
 
   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 calibre
Received ExitFailure 1 when running
Raw command: nix --extra-experimental-features nix-command log -f . calibre --arg config "{ allowUnfree = true; allowAliases = false; }" --arg overlays "[ ]"
Standard output:

error: build log of 'calibre' is not available