anchor.diff:  
   
   cmp_(undefined, _MinVsn, [], DepsListAcc, {Pkg, PkgVsn, Dep, _App}, _CmpFun) ->
  -    ?WARN("[~ts:~ts] Missing registry entry for package ~ts. Try to fix with `rebar3 update`",
  -          [Pkg, PkgVsn, Dep]),
  +    ?DEBUG("[~ts:~ts] Missing registry entry for package ~ts. Try to fix with `rebar3 update`",
  +           [Pkg, PkgVsn, Dep]),
       DepsListAcc;
   cmp_(HighestDepVsn, _MinVsn, [], DepsListAcc, {_Pkg, _PkgVsn, Dep, App}, _CmpFun) ->
       [{App, {pkg, Dep, HighestDepVsn, undefined}} | DepsListAcc];
  
positive.code:                             %% and doubled since spaces seem not to be
                              %% enforced
                              {false, Vsn} ->
                                  ?WARN("[~ts:~ts], Bad dependency version for ~ts: ~ts.",
                                        [Pkg, PkgVsn, Dep, Vsn]),
                                  DepsListAcc;
                              {_, <<"~>", Vsn/binary>>} ->
                                  highest_matching(Dep1, rm_ws(Vsn), HexRegistry,
  
negative.code:         {ok, HighestDepVsn} ->
              [{App, {pkg, Dep, HighestDepVsn, undefined}} | DepsListAcc];
          none ->
              ?DEBUG("[~ts:~ts] Missing registry entry for package ~ts. Try to fix with `rebar3 update`",
                    [Pkg, PkgVsn, Dep]),
              DepsListAcc
      end.
  