Intermittently failing to produce test output

[GoogleCodeExporter]

What steps will reproduce the problem?
Running CI builds on Bamboo, I suddenly stopped getting test output. Nothing in 
any of the environments, codebases, or setups have changed since last night 
(when it was running properly)

What is the expected output? What do you see instead?
No output

Environment:
Running from a linux box with ant 1.9, connecting to various orgs all running 
SF Winter 15

Please provide any additional information below.
I'm using the old version of salesforce-ant.jar provided here.
I experienced a similar issue last week (suddenly stopped producing output 
overnight), where the solution was to explicitly create the output directory 
and file before calling sfdeploy, but apparently that is no longer sufficient.

Original issue reported on code.google.com by dexter.d...@gmail.com on 14 Jan 2015 at 3:27

[GoogleCodeExporter]

Having a similar issue. Sometimes it works and sometimes it doesn't. Very 
strange.

Original comment by dcd...@gmail.com on 20 Jan 2015 at 4:57

[GoogleCodeExporter]

I wonder if this could be solved by updating to be compatible with the newest 
ant-salesforce.jar?

Original comment by dexter.d...@gmail.com on 27 Jan 2015 at 2:39

[jchristman-zz]

I am testing this also, and not able to get output anymore, I was wondering if its possible to get an updated version that uses the latest salesforce-ant.jar and ant files.

[hubsonx]

I found this job very useful in the past, but since a few releases ago it seems not to work anymore, any chance for the update?

[beamso]

I've changed the code to use both the deploy successes and failures from the build, plus updated the library. You might have to test it out to see if this now works for you.