nix-hash mismatch when using git repo

default.nix

with (import <nixpkgs> {});

let
  rubyenv = bundlerEnv {
    name = "id-env";
    # Setup for ruby gems using bundix generated gemset.nix
    inherit ruby_2_5;
    gemfile = ./Gemfile;
    lockfile = ./Gemfile.lock;
    gemset = ./gemset.nix;
    # Bundler groups available in this environment
    groups = ["default" "development" "test" "toolbox"];
  };
in stdenv.mkDerivation {
  name = "id";
  version = "0.0.1";

  buildInputs = [
    stdenv
    git

    rubyenv.wrappedRuby
    bundler
    bundix

    nodejs
    yarn

    rubyenv
  ];

}

Gemfile.lock

GIT
  remote: https://xxxxxxxxxxx:x-oauth-basic@github.com/emptyflask/capistrano-plugin.git
  revision: a1224c9b06fe402ee97c089a942e9c9f87d9d6b0
  tag: v0.0.4
  specs:
    capistrano-plugin (0.0.4)
      capistrano (~> 3.1)
      json

gemset.nix

{
    capistrano-plugin = {
    dependencies = ["capistrano" "json"];
    groups = ["toolbox"];
    platforms = [];
    source = {
      fetchSubmodules = false;
      rev = "a1224c9b06fe402ee97c089a942e9c9f87d9d6b0";
      sha256 = "0mjiq5p91mz136ic9158rfdv6qfpxkq4qdj52lhgrmcb5fcq5grx";
      type = "git";
      url = "https://xxxxxxxxxxx:x-oauth-basic@github.com/emptyflask/capistrano-plugin.git";
    };
    version = "0.0.4";
  };
}

log

hash mismatch in fixed-output derivation '/nix/store/45mhja9zfzb67lc251nm4g6zbjs5m074-capistrano-plugin-a1224c9':
  wanted: sha256:0mjiq5p91mz136ic9158rfdv6qfpxkq4qdj52lhgrmcb5fcq5grx
  got:    sha256:0lslj0wpkk5fis6fc0qp5piqb2w6vc6npnx80z2qja6583davasx
building '/nix/store/plxx37pbx2rvf2aday9qlkj5w50jfhbb-elasticsearch-transport-5.0.5.gem.drv'...
cannot build derivation '/nix/store/mykvwiibhjsb5brjnwffi84v205fbnrw-ruby2.5.5-capistrano-plugin-0.0.4.drv': 1 dependencies couldn't be built

---

 ❯ nix-prefetch-git --url https://xxxxxxxxxxx:x-oauth-basic@github.com/emptyflask/capistrano-plugin.git --rev a1224c9b06fe402ee97c089a942e9c9f87d9d6b0 --hash sha256
Initialized empty Git repository in /tmp/git-checkout-tmp-Xd6E6Eie/capistrano-plugin-a1224c9/.git/
remote: Enumerating objects: 15, done.
remote: Counting objects: 100% (15/15), done.
remote: Compressing objects: 100% (9/9), done.
remote: Total 15 (delta 0), reused 10 (delta 0), pack-reused 0
Unpacking objects: 100% (15/15), done.
From https://github.com/emptyflask/capistrano-plugin
 * branch            HEAD       -> FETCH_HEAD
Switched to a new branch 'fetchgit'
removing `.git'...

git revision is a1224c9b06fe402ee97c089a942e9c9f87d9d6b0
path is /nix/store/nbzyxmgh10n8pqpwk58fbsyq4d8rf41f-capistrano-plugin-a1224c9
git human-readable version is -- none --
Commit date is 2019-08-22 15:12:32 -0500
hash is 0mjiq5p91mz136ic9158rfdv6qfpxkq4qdj52lhgrmcb5fcq5grx
{
  "url": "https://xxxxxxxxxxx:x-oauth-basic@github.com/emptyflask/capistrano-plugin.git",
  "rev": "a1224c9b06fe402ee97c089a942e9c9f87d9d6b0",
  "date": "2019-08-22T15:12:32-05:00",
  "sha256": "0mjiq5p91mz136ic9158rfdv6qfpxkq4qdj52lhgrmcb5fcq5grx",
  "fetchSubmodules": false
}

--

 ❯ ls /nix/store|grep capistrano-plugin
45mhja9zfzb67lc251nm4g6zbjs5m074-capistrano-plugin-a1224c9/
45mhja9zfzb67lc251nm4g6zbjs5m074-capistrano-plugin-a1224c9.lock
mykvwiibhjsb5brjnwffi84v205fbnrw-ruby2.5.5-capistrano-plugin-0.0.4.drv
nbzyxmgh10n8pqpwk58fbsyq4d8rf41f-capistrano-plugin-a1224c9.lock
rcwsd5a2xkcwnfzlgmyvs710by6wbk37-capistrano-plugin-a1224c9.drv