[Qa-jenkins-scm] reproducible-race-conditions.log found

[jenkins at jenkins.debian.net]

A few entries per day are normal, a few dozens or hundreds probably not.

Fri May 13 23:57:54 UTC 2016 - Warning, package profitbricks-sdk-python (id=101792) in unstable on armhf is probably already building at armhf_21/4935, while this is https://jenkins.debian.net/job/reproducible_builder_armhf_43/1955/.