Elixir formulae does not compile with new environment

[pusewicz]

bash-3.2$ brew install elixir
==> Downloading https://github.com/elixir-lang/elixir/tarball/v0.6.0
Already downloaded: /Library/Caches/Homebrew/elixir-0.6.0.tgz
==> make
env: escript: No such file or directory
make: *** [erlang] Error 127

Error: elixir did not build
Logs: /Users/piotr/Library/Logs/Homebrew/elixir/
Help: https://github.com/mxcl/homebrew/wiki/troubleshooting

Issuing brew install --env=std elixir yields a successful build.