user/imagemagick: upstream source URL 404'd
Found on x86_64:
>>> imagemagick: Cleaning temporary build dirs...
>>> imagemagick: Fetching https://imagemagick.org/archive/ImageMagick-7.1.0-52.tar.xz
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
^M 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0^M 0 196 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
curl: (22) The requested URL returned error: 404
>>> ERROR: imagemagick: fetch failed
Looks like https://imagemagick.org/archive/ImageMagick-7.1.0-56.tar.xz was released two days ago and they removed the old tarballs.