Build csound 6.11.1529 failed

Does anyone know why appveyor is failing?
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Prof. Victor Lazzarini
Dean of Arts, Celtic Studies, and Philosophy,
Maynooth University,
Maynooth, Co Kildare, Ireland
Tel: 00 353 7086936
Fax: 00 353 1 7086952 

> On 13 Mar 2018, at 19:51, AppVeyor  wrote:
> 
> Build csound 6.11.1529 failed
> 
> Commit 1f33bac0cb by veplaini on 3/13/2018 7:50 PM: 
> Merge branch 'develop' of https://github.com/csound/csound into develop
> 
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