gistfile1.txt

** (FunctionClauseError) no function clause matching in Hex.Resolver.parent/1
    lib/hex/resolver.ex:199: Hex.Resolver.parent({:request, "plug", "plug", #Version.Requirement<0.11.1>, {"mix.lock", #Version.Requirement<0.11.1>}})
    (elixir) lib/enum.ex:1009: anonymous fn/4 in Enum.map_join/3
    (elixir) lib/enum.ex:1261: Enum."-reduce/3-lists^foldl/2-0-"/3
    (elixir) lib/enum.ex:1007: Enum.map_join/3
    lib/hex/resolver.ex:192: Hex.Resolver.backtrack_message/4
    lib/hex/resolver.ex:68: Hex.Resolver.do_resolve/4
    lib/hex/resolver.ex:31: Hex.Resolver.resolve/3
    lib/hex/remote_converger.ex:33: Hex.RemoteConverger.converge/2