Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: chicken 5.4.0 -> 6.0.0 https://repology.org/project/chicken/versions
attrpath: chicken
Checking auto update branch...
No auto update branch exists
[version] 
[version] updated version and sha256
[rustCrateVersion] 
[rustCrateVersion] No cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] skipping because derivation has no updateScript
Diff after rewrites:
diff --git a/pkgs/development/compilers/chicken/5/chicken.nix b/pkgs/development/compilers/chicken/5/chicken.nix
index 06b9dd6c1485..df5e6c6345b3 100644
--- a/pkgs/development/compilers/chicken/5/chicken.nix
+++ b/pkgs/development/compilers/chicken/5/chicken.nix
@@ -24,13 +24,13 @@ let
 in
 stdenv.mkDerivation (finalAttrs: {
   pname = "chicken";
-  version = "5.4.0";
+  version = "6.0.0";
 
   binaryVersion = 11;
 
   src = fetchurl {
     url = "https://code.call-cc.org/releases/${finalAttrs.version}/chicken-${finalAttrs.version}.tar.gz";
-    sha256 = "sha256-PF1KphwRZ79tm/nq+JHadjC6n188Fb8JUVpwOb/N7F8=";
+    sha256 = "sha256-koNVUrG2h60mc35Cm1q6NlEL9Cn4gW7A9tM2yMtB9EM=";
   };
 
   # Disable two broken tests: "static link" and "linking tests"

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

error: build log of 'chicken' is not available