I have found Travis logs quite useful as the browser can show them. Azure 
logs 
come in zip files which are rather inconvenient to deal with. I don't think 
that
dropping Azure would be a loss for me.

Kalevi Suominen

On Monday, January 28, 2019 at 10:01:51 PM UTC+2, Aaron Meurer wrote:
>
> So Azure Pipelines has been running now for about 3 1/2 months. I 
> would like to get feedback on how people like it. 
>
> For myself, it seems that Travis has fixed most of the failing builds 
> issues that it was having. I've also noticed that Travis actually 
> finishes faster than Azure, possibly because of the higher concurrent 
> build limit. 
>
> Frankly, I'm not too happy with Azure. The web interface is about as 
> complicated as they could possibly make it. It took me half an hour 
> just to find something as simple as the setting to disable email 
> notifications. The YAML spec is also much more complicated, and 
> despite being so, has some serious limitations, such as environment 
> variables not being shared across "scripts". The most annoying thing 
> by far is that people with push access don't have the ability to 
> restart failed builds. I think I as an admin can give people access, 
> but 1) this is annoying to do, and 2) I really can't even figure out 
> where I should do that (I can't stress just how complicated and 
> unintuitive their web interface is). 
>
> Travis for its part is extremely simple, both in its web interface and 
> YAML spec. It's also very widely used, meaning most issues you would 
> encounter with it you can quickly find a workaround by Googling. For 
> instance, there is a workaround required to get Python 3.7 working, 
> but a Google search for "Python 3.7 Travis" turns up 
> https://github.com/travis-ci/travis-ci/issues/9815, which has the 
> workaround in the first comment. Contrast that with "Azure pipelines 
> pypy", which only turns up my issue requesting official support, with 
> no workarounds (
> https://github.com/Microsoft/azure-pipelines-tasks/issues/8514). 
>
> So for my part, I would like to stop using it. I'm adding Python 3.7 
> support to Travis here, which was the only thing that was only on 
> Azure https://github.com/sympy/sympy/pull/15867 (yes, this will add 
> more Travis builds, but we should be able to drop 3.4 support after 
> this next release). 
>
> But I would also like to hear others' opinions on it. Have you noticed 
> that Azure is any better than Travis in some way? I don't follow every 
> PR, so I don't notice every issue that comes up with Travis or Azure. 
>
> Aaron Meurer 
>
> On Fri, Nov 9, 2018 at 12:43 PM Aaron Meurer <[email protected]> wrote: 
> > 
> > Azure has fewer concurrent builds than Travis (10 instead of 15), but 
> > it also has longer builds 60 instead of 50, meaning we can split the 
> > tests 2 ways instead of 4. I think Azure also boots up faster and 
> > possibly has faster machines, though I haven't tested it. 
> > 
> > Aaron Meurer 
> > On Thu, Nov 8, 2018 at 9:06 PM Sidhant Nagpal <[email protected]> 
> wrote: 
> > > 
> > > Right, the test time is likely to be affected further on the account 
> of lesser concurrent builds on Azure. 
> > > 
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