First Eoan Ermine test rebuilds

[Matthias Klose]

The first test rebuild of Eoan Ermine was started on June 16 2019 for
all architectures, all components.

Results (please also look at the superseded builds) can be found at

https://people.canonical.com/~doko/ftbfs-report/test-rebuild-20190614-eoan.html

The report uses some additional color coding, marking packages different which
always failed to build, or where the build failure is no regression compared to
bionic.

Additional build failures for packages in eoan-proposed (not yet in eoan)
can be found at http://qa.ubuntuwire.com/ftbfs/

Please help fixing the build failures.

There is also a test rebuild using GCC 9.1, which will become
the default compiler for the 19.10 release. Results at

https://people.canonical.com/~doko/ftbfs-report/test-rebuild-20190614-gcc9-eoan.html

Packages to set GCC 9 as the default GCC can be found in the
ubuntu-toolchain-r/volatile PPA.

Matthias