dub is not able to install any package

[Seb]

On Monday, 13 August 2018 at 13:02:43 UTC, Adil wrote:
> Dub details are:
>
> adil at adil-HP-ENVY-Notebook:~/workspace/screener-d$ whereis dub
> dub: /snap/bin/dub
> adil at adil-HP-ENVY-Notebook:~/workspace/screener-d$ dub --version
> DUB version 1.9.0, built on May 31 2018

How did you install D / dub?
As Joakim mentioned curl is a dependency of std.net.curl which is 
used by dub.