Elixir Failed to Compile on Push

[camwhite]

I and a friend of mine have the issue when deploying to Heroku.

gzip: stdin: not in gzip format
tar: Child returned status 1
tar: Exiting with failure status due to previous errors
/tmp/buildpack_7966c126-c999-4b8b-9726-26f196d32bd4/lib/erlang_funcs.sh: line 39: /app/tmp/cache/erlang/Install: No such file or directory
-----> Downloading Elixir
-----> Installing Elixir v0.12.5
-----> Installing Hex
exec: 83: erl: not found
-----> Installing rebar
exec: 83: erl: not found
-----> Fetching app dependencies with mix
exec: 83: erl: not found

 !     Push rejected, failed to compile elixir app

To [email protected]:infinite-thicket-1689.git
 ! [remote rejected] master -> master (pre-receive hook declined)
error: failed to push some refs to '[email protected]:infinite-thicket-1689.git'

[sebauer]

Having the same issue actually. Does anyone care? :(