Index failing due to bad SemVer

[orta]

11:45:23 web.1  | /Users/orta/.rbenv/versions/2.1.3/lib/ruby/2.1.0/rubygems/version.rb:202:in `initialize': Malformed version number string 1.10.1-beta+20180413105201 (ArgumentError)
11:45:23 web.1  | 	from /Users/orta/.rbenv/versions/2.1.3/lib/ruby/2.1.0/rubygems/version.rb:192:in `new'
11:45:23 web.1  | 	from /Users/orta/.rbenv/versions/2.1.3/lib/ruby/2.1.0/rubygems/version.rb:192:in `new'
11:45:23 web.1  | 	from /Users/orta/dev/projects/cocoapods/Strata/search.cocoapods.org/lib/models/pod.rb:171:in `block in last_version'
11:45:23 web.1  | 	from /Users/orta/dev/projects/cocoapods/Strata/search.cocoapods.org/lib/models/pod.rb:171:in `each'
11:45:23 web.1  | 	from /Users/orta/dev/projects/cocoapods/Strata/search.cocoapods.org/lib/models/pod.rb:171:in `sort_by'
11:45:23 web.1  | 	from /Users/orta/dev/projects/cocoapods/Strata/search.cocoapods.org/lib/models/pod.rb:171:in `last_version'
11:45:23 web.1  | 	from /Users/orta/dev/projects/cocoapods/Strata/search.cocoapods.org/lib/models/pod.rb:328:in `specification_json'
11:45:23 web.1  | 	from /Users/orta/dev/projects/cocoapods/Strata/search.cocoapods.org/lib/models/pod.rb:344:in `specification'
11:45:23 web.1  | 	from /Users/orta/dev/projects/cocoapods/Strata/search.cocoapods.org/lib/models/pod.rb:272:in `source'