[Qa-jenkins-scm] reproducible-env-changes.log found

[jenkins at jenkins.debian.net]

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

Mon Aug  1 00:48:27 UTC 2016 - https://jenkins.debian.net/job/reproducible_builder_armhf_38/5415/console encountered a problem: different packages were installed in the 1st+2nd builds and also in the 2nd+3rd build.
-rw-r--r-- 1 jenkins jenkins 15708 Jul 31 08:50 ./b1/gnat-gps_6.1.1-1_armhf.buildinfo on cbxi4b-armhf-rb.debian.net
-rw-r--r-- 1 jenkins jenkins 15708 Aug  1 00:22 ./b2/gnat-gps_6.1.1-1_armhf.buildinfo on opi2a-armhf-rb.debian.net