Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: firefox-beta-unwrapped 0 -> 1
attrpath: firefox-beta-unwrapped
Checking auto update branch...
[version] 
[version] skipping because derivation has updateScript
[rustCrateVersion] 
[rustCrateVersion] No cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Success
[updateScript] these 2 derivations will be built:
  /nix/store/il9axzj5im04q3rv121r3b02pz036vz5-update-firefox-beta-unwrapped.drv
  /nix/store/zvl5p6n5czxsfzpyhd51l1n00w7m5wy1-packages.json.drv
building '/nix/store/il9axzj5im04q3rv121r3b02pz036vz5-update-firefox-beta-unwrapped.drv'...
building '/nix/store/zvl5p6n5czxsfzpyhd51l1n00w7m5wy1-packages.json.drv'...

Going to be running update for following packages:
 - firefox-beta-unwrapped-151.0b9

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - firefox-beta-unwrapped-151.0b9: UPDATING ...
 - firefox-beta-unwrapped-151.0b9: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/applications/networking/browsers/firefox/packages/firefox-beta.nix b/pkgs/applications/networking/browsers/firefox/packages/firefox-beta.nix
index a1037c52818f..bf9159293095 100644
--- a/pkgs/applications/networking/browsers/firefox/packages/firefox-beta.nix
+++ b/pkgs/applications/networking/browsers/firefox/packages/firefox-beta.nix
@@ -10,11 +10,11 @@
 buildMozillaMach rec {
   pname = "firefox-beta";
   binaryName = "firefox-beta";
-  version = "151.0b9";
+  version = "153.0b6";
   applicationName = "Firefox Beta";
   src = fetchurl {
     url = "mirror://mozilla/firefox/releases/${version}/source/firefox-${version}.source.tar.xz";
-    sha512 = "2d50cbe82dd470ab94148ab57585324ff98950fa25b806065b61ab2f541c795d826f4d9a454225ec798cdcd77dfd453dc50d26f0ccf8bdb5fcdf010244aec45a";
+    sha512 = "413177d840c9861cf5e71e21dd94c8696b9bcce5541c01b7c375aa0ab43dd49f3e87b63615eda0753697057cb1c74502236865b27954ddee748ddd7c5d7983d3";
   };
 
   meta = {

An auto update branch exists with message `firefox-beta-unwrapped: 151.0b9 -> 152.0b10`. New version is 153.0b6.
The auto update branch does not match or exceed the new version.
Received ExitFailure 1 when running
Raw command: nix-build --option sandbox true --arg config "{ allowUnfree = true; allowAliases = false; }" --arg overlays "[ ]" -A firefox-beta-unwrapped
nix build failed.
 0:19.74(B checking for nspr >= 4.32... yes(B(B
 0:19.75(B checking NSPR_CFLAGS... -I/nix/store/2imw5f1gvy8xgfykw7zz5f8b70m2fff9-nspr-4.39-dev/include(B(B
 0:19.75(B checking NSPR_LIBS... -L/nix/store/033cpffggbriqz6mcx0743ax75nd5jzk-nspr-4.39/lib -lplds4 -lplc4 -lnspr4(B(B
 0:19.75(B checking for rustc... /nix/store/qcpwgd3b95bxxylvb0na4hny75chrkzm-rustc-wrapper-1.95.0/bin/rustc(B(B
 0:19.75(B checking for cargo... /nix/store/6gcrqjdzbx71bavmmrqpl3hw1ljml7vi-cargo-1.95.0/bin/cargo(B(B
 0:19.91(B checking rustc version... 1.95.0(B(B
 0:19.92(B checking cargo version... 1.95.0(B(B
 0:20.21(B checking for rust host triplet... x86_64-unknown-linux-gnu(B(B
 0:20.25(B checking for rust target triplet... x86_64-unknown-linux-gnu(B(B
 0:20.25(B checking for rustdoc... /nix/store/qcpwgd3b95bxxylvb0na4hny75chrkzm-rustc-wrapper-1.95.0/bin/rustdoc(B(B
 0:20.27(B checking for cbindgen...(B(B
 0:20.27(B DEBUG: trying cbindgen: /nix/store/1qgas2m033i917h1s1nzw0rb52yr13s9-rust-cbindgen-0.29.3/bin/cbindgen(B(B
 0:20.27(B DEBUG: Executing: `/nix/store/1qgas2m033i917h1s1nzw0rb52yr13s9-rust-cbindgen-0.29.3/bin/cbindgen --version`(B(B
 0:20.27(B DEBUG: /nix/store/1qgas2m033i917h1s1nzw0rb52yr13s9-rust-cbindgen-0.29.3/bin/cbindgen has version 0.29.3(B(B
 0:20.27(B DEBUG: trying cbindgen: /nix/store/1qgas2m033i917h1s1nzw0rb52yr13s9-rust-cbindgen-0.29.3/bin/cbindgen(B(B
 0:20.27(B DEBUG: Executing: `/nix/store/1qgas2m033i917h1s1nzw0rb52yr13s9-rust-cbindgen-0.29.3/bin/cbindgen --version`(B(B
 0:20.27(B DEBUG: /nix/store/1qgas2m033i917h1s1nzw0rb52yr13s9-rust-cbindgen-0.29.3/bin/cbindgen has version 0.29.3(B(B
 0:20.27(B DEBUG: trying cbindgen: /nix/store/1qgas2m033i917h1s1nzw0rb52yr13s9-rust-cbindgen-0.29.3/bin/cbindgen(B(B
 0:20.27(B DEBUG: Executing: `/nix/store/1qgas2m033i917h1s1nzw0rb52yr13s9-rust-cbindgen-0.29.3/bin/cbindgen --version`(B(B
 0:20.27(B DEBUG: /nix/store/1qgas2m033i917h1s1nzw0rb52yr13s9-rust-cbindgen-0.29.3/bin/cbindgen has version 0.29.3(B(B
 0:20.27(B DEBUG: trying cbindgen: /nix/store/1qgas2m033i917h1s1nzw0rb52yr13s9-rust-cbindgen-0.29.3/bin/cbindgen(B(B
 0:20.27(B DEBUG: Executing: `/nix/store/1qgas2m033i917h1s1nzw0rb52yr13s9-rust-cbindgen-0.29.3/bin/cbindgen --version`(B(B
 0:20.27(B DEBUG: /nix/store/1qgas2m033i917h1s1nzw0rb52yr13s9-rust-cbindgen-0.29.3/bin/cbindgen has version 0.29.3(B(B
 0:20.27(B ERROR: cbindgen version 0.29.3 is too old. At least version 0.29.4 is required.(B(B
 0:20.27(B (B(B
 0:20.27(B Please update using 'cargo install cbindgen --force' or running(B(B
 0:20.27(B './mach bootstrap', after removing the existing executable located at(B(B
 0:20.27(B /nix/store/1qgas2m033i917h1s1nzw0rb52yr13s9-rust-cbindgen-0.29.3/bin/cbindgen.(B(B
 0:20.27(B (B(B
 0:20.43(B E(B *** Fix above errors and then restart with "./mach build"(B(B