std.experimental.logger instantiation fails in 2.067

[drug via Digitalmars-d-learn]

On 02.09.2015 11:36, Robert burner Schadek wrote:
> On Wednesday, 2 September 2015 at 06:57:12 UTC, drug wrote:
>> Before 2.067 I used std.experimental.logger in form of a dub package.
>> Because it included in 2.067 I stop using the dub package but now I
>> get the error:
>> Error: safe function
>> 'std.experimental.logger.core.Logger.memLogFunctions!cast(LogLevel)cast(ubyte)32u.logImplf!(383,
>> [snip]).logImplf' cannot call system function
>> 'std.format.formattedWrite!(MsgRange, char,
>> InitiatingPTrack).formattedWrite'
>> What is the way to avoid it? (I guess it's known issue)
>>
>> P.S. using dmd 2.067 with the dub package it compiles, without the dub
>> package it fails, but ldc 0.16 fails both without and with the dub
>> package - there is some inconsistence.
>
> https://issues.dlang.org/show_bug.cgi?id=14940
Thank you! Unfortunately it doesn't solved my case, because I use 
std.string.format that is unsafe :( Am I right it is the problem of 
absent @safe qualifier?