Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: amnezia-vpn-bin 0 -> 1
attrpath: amnezia-vpn-bin
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] this derivation will be built:
  /nix/store/fm3da8iy4nsl62n52vwakzz8rrlw81mr-packages.json.drv
building '/nix/store/fm3da8iy4nsl62n52vwakzz8rrlw81mr-packages.json.drv'...

Going to be running update for following packages:
 - amnezia-vpn-bin-4.8.19.0

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - amnezia-vpn-bin-4.8.19.0: UPDATING ...
 - amnezia-vpn-bin-4.8.19.0: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/am/amnezia-vpn-bin/package.nix b/pkgs/by-name/am/amnezia-vpn-bin/package.nix
index 7bece2028abe..eb46fe765fd7 100644
--- a/pkgs/by-name/am/amnezia-vpn-bin/package.nix
+++ b/pkgs/by-name/am/amnezia-vpn-bin/package.nix
@@ -29,13 +29,13 @@
 }:
 stdenv.mkDerivation (finalAttrs: {
   pname = "amnezia-vpn-bin";
-  version = "4.8.19.0";
+  version = "4.8.21.0";
 
   __structuredAttrs = true;
 
   src = fetchzip {
     url = "https://github.com/amnezia-vpn/amnezia-client/releases/download/${finalAttrs.version}/AmneziaVPN_${finalAttrs.version}_linux_x64.tar";
-    hash = "sha256-2bCP5yeaH0yQcjgwnrCgSnF1vafhrf+AlGyVPPgbK0k=";
+    hash = "sha256-dqR0OW9xmyw2J/1I6x6WGiZyUAg5j3aPBFaHTNsVc08=";
   };
 
   strictDeps = true;

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 amnezia-vpn-bin
nix build failed.
got build log for 'amnezia-vpn-bin' from 'daemon'
structuredAttrs is enabled
Running phase: unpackPhase
@nix { "action": "setPhase", "phase": "unpackPhase" }
unpacking source archive /nix/store/94m3vc3vrf3iba84n2p10z80al9xv6lr-source
source root is source
Running phase: patchPhase
@nix { "action": "setPhase", "phase": "patchPhase" }
Running phase: updateAutotoolsGnuConfigScriptsPhase
@nix { "action": "setPhase", "phase": "updateAutotoolsGnuConfigScriptsPhase" }
Running phase: configurePhase
@nix { "action": "setPhase", "phase": "configurePhase" }
no configure script, doing nothing
Running phase: glibPreInstallPhase
@nix { "action": "setPhase", "phase": "glibPreInstallPhase" }
Running phase: installPhase
@nix { "action": "setPhase", "phase": "installPhase" }
bsdtar: Error opening archive: Unrecognized archive format