CMake error while packaging python package built with Maturin

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1

I’m having trouble packaging a python package. The python package is built using Maturin

{
  pkgs,
  lib,
  buildPythonPackage,
  rustPlatform,
  pkg-config,
  openssl,
  cmake
}:

buildPythonPackage rec {
  pname = "bqskitrs";
  version = "0.4.1";
  pyproject = true;

  src = pkgs.fetchFromGitHub {
        owner = "BQSKit";
        repo = "bqskitrs";
        rev = "${version}";
        hash = "sha256-0HHn+jymcAGBtpRmKVzvm+IjN79VxnstF4XeDbesMws=";
  };

  doCheck = false;

  cargoDeps = rustPlatform.importCargoLock {
    lockFile = ./Cargo.lock;
  };

    postPatch = ''
      ln -s ${./Cargo.lock} Cargo.lock
    '';

  nativeBuildInputs = with rustPlatform; [ cmake cargoSetupHook maturinBuildHook pkg-config ];
  buildInputs = [ openssl ];
  dontUseCmakeConfigure = true;
  env = {
    RUST_BACKTRACE = true;
  };

}

The build fails with error “CMake Error: The source directory “/build/source/ceres/ceres-sys/ceres-solver” does not appear to contain CMakeLists.txt.” and I’m not really sure how to proceed from here. I would vastly appreciate if someone could provide some help or point to some documentation I can read through.