Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: circt 0 -> 1
attrpath: circt
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/395ji3j42nl4skb7gmki69fa2yllzv15-packages.json.drv
building '/nix/store/395ji3j42nl4skb7gmki69fa2yllzv15-packages.json.drv'...

Going to be running update for following packages:
 - circt-1.147.0

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - circt-1.147.0: UPDATING ...
 - circt-1.147.0: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/ci/circt/package.nix b/pkgs/by-name/ci/circt/package.nix
index fdfc8496d016..28913ab6ab40 100644
--- a/pkgs/by-name/ci/circt/package.nix
+++ b/pkgs/by-name/ci/circt/package.nix
@@ -27,12 +27,12 @@ let
 in
 stdenv.mkDerivation (finalAttrs: {
   pname = "circt";
-  version = "1.147.0";
+  version = "1.155.0";
   src = fetchFromGitHub {
     owner = "llvm";
     repo = "circt";
     tag = "firtool-${finalAttrs.version}";
-    hash = "sha256-rtnvahI7EzUJXE80X3XPWjjDD/6f9BPmZ7S97Lstuhw=";
+    hash = "sha256-a64OuNuu2FHONVgG0+V2RYPq+V18rrQGdcXS6hwoTks=";
     fetchSubmodules = true;
   };
 

An auto update branch exists with message `circt: 1.147.0 -> 1.149.0`. New version is 1.155.0.
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 circt
nix build failed.
-- Did NOT find clang-tidy.
-- Did NOT find systemc headers.
-- Did not find Quartus.
-- Did not find Questa.
-- Did not find yosys.
-- Did not find iverilog.
-- Could NOT find ortools (missing: ortools_DIR)
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Success
-- Found Threads: TRUE
-- Found Z3: /nix/store/j0q2v0b34y3fk8sib1mb3k6rjg3bfzgc-z3-4.16.0-lib/lib/libz3.so (found version "4.16.0")
-- Z3 identified as a logical backend.
-- Found z3 at /nix/store/1ivmgfw5l28jmpiqb8qwjh48s511gzpn-z3-4.16.0/bin.
-- CIRCT Python bindings are disabled.
-- Found Python3: /nix/store/rp69mdx5anhrlp12bdcksj5nc99nmjwv-python3-3.14.6-env/bin/python3.14 (found version "3.14.6") found components: Interpreter
-- Found python at /nix/store/rp69mdx5anhrlp12bdcksj5nc99nmjwv-python3-3.14.6-env/bin/python3.14
-- Did not find SymbiYosys.
-- slang Verilog frontend is enabled
CMake Error at CMakeLists.txt:628 (find_package):
  Could not find a configuration file for package "slang" that is compatible
  with requested version "11.0".

  The following configuration files were considered but not accepted:

    /nix/store/kj81mx59hlj3999v7mbwsdkq1jcgpqkc-sv-lang-10.0/lib/cmake/slang/slangConfig.cmake, version: 10.0.0
      The version found is not compatible with the version requested.



-- Configuring incomplete, errors occurred!