Cross-compilation. What does this error mean: assert nativeTools -> !propagateDoc && nativePrefix != ""

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Hello guys,
I am trying to use older glibc in cross-compilation script and getting an error:

error:
       … while calling the 'derivationStrict' builtin

         at /builtin/derivation.nix:9:12: (source not available)

       … while evaluating derivation 'prj-aarch64-unknown-linux-gnu-dev-bin'
         whose name attribute is located at /nix/store/vhq11h949l5zycaw07acphv53ifq4p2c-source/pkgs/stdenv/generic/make-derivation.nix:303:7

       … while evaluating attribute 'stdenv' of derivation 'prj-aarch64-unknown-linux-gnu-dev-bin'

         at /nix/store/vhq11h949l5zycaw07acphv53ifq4p2c-source/pkgs/stdenv/generic/make-derivation.nix:332:14:

          331|       args = attrs.args or ["-e" (attrs.builder or ./default-builder.sh)];
          332|       inherit stdenv;
             |              ^
          333|

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

       error: assertion '(nativeTools -> ((! propagateDoc) && (nativePrefix != "")))' failed

       at /nix/store/j2d8sp3grrwjhf45n1rj4phiqmgj4l8r-gcc_8_3_0/pkgs/build-support/cc-wrapper/default.nix:21:1:

           20|
           21| assert nativeTools -> !propagateDoc && nativePrefix != "";
             | ^
           22| assert !nativeTools ->

What does this error mean? Maybe older glibc 2.27 is not available for aarch64 platform? Below is the script that uses older glibc with cross-compile nix script.

let
  nixpkgs = fetchTarball "https://github.com/nixOS/nixpkgs/archive/23.05.tar.gz";
  pkgs = (import nixpkgs {}).pkgsCross.aarch64-multiplatform;

  system = "aarch64-unknown-linux-gnu";

glibc_2_27 = (import (builtins.fetchGit {
    name = "glibc_2_18";
         url = "https://github.com/NixOS/nixpkgs/";
         ref = "refs/heads/nixos-19.09";
         rev = "b79f64b5eb5fa8ca2f844ddb4d7c186b6c69a293";
}) { inherit system; }).glibc;

gcc_8_3_0 = (import (builtins.fetchGit {
   name = "gcc_8_3_0";
   url = "https://github.com/NixOS/nixpkgs/";
   ref = "refs/heads/nixpkgs-unstable";
   rev = "a9eb3eed170fa916e0a8364e5227ee661af76fde";
}) { inherit system; }).gcc-unwrapped;

getCustomGccStdenv = customGcc: customGlibc: origStdenv: { pkgs, ... }:
  with pkgs; let
    compilerWrapped = wrapCCWith {
      cc = customGcc;
      bintools = wrapBintoolsWith {
        bintools = binutils-unwrapped;
        libc = customGlibc;
      };
    };
  in
  overrideCC origStdenv compilerWrapped;

gcc_8_3_0_glibc_2_27 = getCustomGccStdenv gcc_8_3_0 glibc_2_27 pkgs.stdenv pkgs;

in
pkgs.callPackage ( { mkShell, cmake, ninja, git, pkg-config  }:

gcc_8_3_0_glibc_2_27.mkDerivation {
  pname = "prj";
  version = "dev-bin";

  src = ./.;

  nativeBuildInputs = with pkgs;
    [
      cmake ninja git pkg-config
    ];

  buildInputs = with pkgs;
    [
      pkgsStatic.openssl pkgsStatic.zlib pkgsStatic.libmicrohttpd.dev pkgsStatic.libsodium.dev
    ];

  dontAddStaticConfigureFlags = false;

  CFLAGS = [
#    "-mno-outline-atomics"
  ];

  LDFLAGS = [
     "-static-libgcc"
     "-static-libstdc++"
     "-fPIC"
  ];

}) {}

Could you please explain the reason behind the error? Thank you.