rabbitmq-server ftbfs in eoan

https://launchpadlibrarian.net/441261674/buildlog_ubuntu-eoan-amd64.rabbitmq-server_3.7.8-4ubuntu2_BUILDING.txt.gz

Resolving Hex dependencies...
Dependency resolution completed:
Unchanged:
 csv 2.0.0
 json 1.0.3
 parallel_stream 1.0.6
 simetric 0.2.0
* Getting json (Hex package)
* Getting csv (Hex package)
* Getting simetric (Hex package)
* Getting parallel_stream (Hex package)
==> simetric
Compiling 3 files (.ex)
Generated simetric app
warning: found quoted keyword "coveralls" but the quotes are not required. Note that keywords are always atoms, even when quoted. Similar to atoms, keywords made exclusively of Unicode letters, numbers, underscore, and @ do not require quotes
  /<<PKGBUILDDIR>>/deps/rabbitmq_cli/deps/parallel_stream/mix.exs:17

==> parallel_stream
Compiling 11 files (.ex)
warning: Stream.chunk/4 is deprecated. Use Stream.chunk_every/4 instead
  lib/parallel_stream/producer.ex:16

Generated parallel_stream app
==> json
Compiling 15 files (.ex)
Generated json app
warning: found quoted keyword "coveralls" but the quotes are not required. Note that keywords are always atoms, even when quoted. Similar to atoms, keywords made exclusively of Unicode letters, numbers, underscore, and @ do not require quotes
  /<<PKGBUILDDIR>>/deps/rabbitmq_cli/deps/csv/mix.exs:18

==> csv
Compiling 10 files (.ex)
warning: outdented heredoc line. The contents inside the heredoc should be indented at the same level as the closing """. The following is forbidden:

    def text do
      """
    contents
      """
    end

Instead make sure the contents are indented as much as the heredoc closing:

    def text do
      """
      contents
      """
    end

The current heredoc line is indented too little
  lib/csv.ex:69

warning: String.strip/1 is deprecated. Use String.trim/1 instead
  lib/csv/decoding/parser.ex:78

** (Mix) You're trying to run :rabbitmqctl on Elixir v1.9.1 but it has declared in its mix.exs file it supports only Elixir >= 1.6.6 and < 1.8.0
Generated csv app
==> rabbitmqctl
make[4]: *** [Makefile:93: escript/rabbitmqctl] Error 1