gistfile1.txt

% MIX_ENV=stag mix release
==> Building release with MIX_ENV=stag.
==> Generating relx configuration...
==> Merging custom relx configuration from rel/relx.config...
==> Generating sys.config...
==> Generating boot script...
==> Performing protocol consolidation...
==> Conform: Loading schema...
==> Conform: No schema found, conform will not be packaged in this release!
==> Generating release...
==> Generating nodetool...
==> Unpacking release...
==> Packaging release...
** (MatchError) no match of right hand side value: {:error, {'/Users/guille/src/my_app/rel/my_app/erts-7.0.3', :enoent}}
    lib/mix/tasks/release.ex:339: Mix.Tasks.Release.update_release_package/1
    lib/mix/tasks/release.ex:73: Mix.Tasks.Release.do_run/1
    (mix) lib/mix/cli.ex:55: Mix.CLI.run_task/2
    (elixir) lib/code.ex:307: Code.require_file/2