有没有办法在Jenkins安装Elixir master分支？

Question

目前jenkins-ci使用kiex来处理Elixir支持。有没有办法让jenkins中的kiex安装并使用elixir master分支进行测试？

如果使用了诸如此类的travis yml：

language: elixir
elixir: master
otp_release:
  - 17.0
sudo: false

随后出现以下错误：

Build system information

Build language: elixir

Build image provisioning date and time

....

Installing Elixir master

0.30s$ wget http://s3.hex.pm/builds/elixir/vmaster.zip

--2015-07-04 02:27:10--  http://s3.hex.pm/builds/elixir/vmaster.zip

Resolving s3.hex.pm (s3.hex.pm)... 54.231.112.64

Connecting to s3.hex.pm (s3.hex.pm)|54.231.112.64|:80... connected.

HTTP request sent, awaiting response... 403 Forbidden

2015-07-04 02:27:10 ERROR 403: Forbidden.