getting started with web server - vibe.d dub giving link error

[aman via Digitalmars-d-learn]

On Sunday, 23 October 2016 at 19:23:04 UTC, Karabuta wrote:
> On Sunday, 23 October 2016 at 14:53:48 UTC, aman wrote:
>> On Saturday, 22 October 2016 at 17:23:58 UTC, Karabuta wrote:
>>> [...]
>>
>> This time i started out with a fresh Ubuntu server and 
>> followed instructions on the blog. Here's output. Please help:-
>>
>> /usr/lib/gcc/x86_64-linux-gnu/5/include/d/core/atomic.d:1381:13: error: static assert  "Invalid template type specified."
>>              static assert(0, "Invalid template type 
>> specified.");
>>              ^
>> ../.dub/packages/vibe-d-0.7.29/source/vibe/http/server.d:1388:51: note: instantiated from here: atomicLoad!(cast(MemoryOrder)5, shared(HTTPServerContext)[])
>>     else return 
>> cast(HTTPServerContext[])atomicLoad(g_contexts);
>>                                                    ^
>> gdc failed with exit code 1.
>
> I used DMD compiler for the tutorial, you are using GCC which 
> might be the problem. GCC compiler seems too outdated. Try 
> using DMD

Oh, I see. Actually it got installed auto-magically during dub 
installation I guess. Now I installed dmd with the script mention 
on the dlang download page.
curl -fsS https://dlang.org/install.sh | bash -s dmd

I ran dub again. Here's the error this time!
dub
Performing "debug" build using dmd for x86_64.
vibe-d:utils 0.7.29: target for configuration "library" is up to 
date.
vibe-d:data 0.7.29: target for configuration "library" is up to 
date.
vibe-d:core 0.7.29: target for configuration "libevent" is up to 
date.
vibe-d:http 0.7.29: target for configuration "library" is up to 
date.
vibe-d:diet 0.7.29: target for configuration "library" is up to 
date.
vibe-d:mail 0.7.29: target for configuration "library" is up to 
date.
vibe-d:mongodb 0.7.29: target for configuration "library" is up 
to date.
vibe-d:redis 0.7.29: target for configuration "library" is up to 
date.
vibe-d:web 0.7.29: target for configuration "library" is up to 
date.
vibe-d 0.7.29: target for configuration "libevent" is up to date.
testdub ~master: building configuration "application"...
Linking...
cc: No such file or directory
--- errorlevel 255
dmd failed with exit code 255