Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: codon 0.16.1 -> 0.19.6 https://github.com/exaloop/codon/releases
attrpath: codon
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/pqwn2whcs5dqhqrbf8w4yjpqvanzr2sr-packages.json.drv
building '/nix/store/pqwn2whcs5dqhqrbf8w4yjpqvanzr2sr-packages.json.drv'...

Going to be running update for following packages:
 - codon-0.16.1

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - codon-0.16.1: UPDATING ...
 - codon-0.16.1: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/development/compilers/codon/default.nix b/pkgs/development/compilers/codon/default.nix
index 491f38f2606a..6a86b9114172 100644
--- a/pkgs/development/compilers/codon/default.nix
+++ b/pkgs/development/compilers/codon/default.nix
@@ -13,13 +13,13 @@
 }:
 
 let
-  version = "0.16.1";
+  version = "0.19.6";
 
   src = fetchFromGitHub {
     owner = "exaloop";
     repo = "codon";
     rev = "v${version}";
-    hash = "sha256-s2GqiFcekXRts8BU5CSmTrkFZ9xLqq4A5MybhB1o1Gg=";
+    hash = "sha256-Cs05gdL7spHaaQitHNNf7+31HRu0WsU1X+v72R0y0kM=";
   };
 
   depsDir = "deps";

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 codon
Received ExitFailure 1 when running
Raw command: nix --extra-experimental-features nix-command log -f . codon --arg config "{ allowUnfree = true; allowAliases = false; }" --arg overlays "[ ]"
Standard output:

error:
       … in the condition of the assert statement
         at /var/cache/nixpkgs-update/worker/worktree/codon/lib/customisation.nix:416:13:
          415|           drvPath =
          416|             assert condition;
             |             ^
          417|             drv.drvPath;

       … while evaluating the attribute 'handled'
         at /var/cache/nixpkgs-update/worker/worktree/codon/pkgs/stdenv/generic/check-meta.nix:719:11:
          718|           valid = if problems.error == null then "warn" else "no";
          719|           handled = handle {
             |           ^
          720|             inherit attrs meta;

       (stack trace truncated; use '--show-trace' to show the full, detailed trace)

       error: Refusing to evaluate package 'codon-0.19.6' in /var/cache/nixpkgs-update/worker/worktree/codon/pkgs/development/compilers/codon/default.nix:136 because it has problems:
       - broken: This package is broken.

       See also https://nixos.org/manual/nixpkgs/unstable#sec-problems
       To allow evaluation regardless, use:
       - Nixpkgs import: import nixpkgs { config = <below code>; }
       - NixOS: nixpkgs.config = <below code>;
       - nix-* commands: Put below code in ~/.config/nixpkgs/config.nix

         {
           problems.handlers = {
             codon.broken = "warn"; # or "ignore"
           };
         }