% pacman -Qs erlang
local/elixir 1.12.0-1
a functional meta-programming aware language built on top of the Erlang VM
local/erlang 24.0-1
General-purpose concurrent functional programming language developed by Ericsson
cowboytest % mix deps.compile
===> Fetching rebar3_hex v6.11.3
===> Version cached at /home/devuser/.cache/rebar3/hex/hexpm/packages/rebar3_hex-6.11.3.tar is up to date, reusing it
escript: exception error: undefined function erlang:get_stacktrace/0
in function rebar3:main/1 (/tmp/cirrus-ci-build/src/rebar3.erl, line 72)
in call from escript:run/2 (escript.erl, line 750)
in call from escript:start/1 (escript.erl, line 277)
in call from init:start_em/1
in call from init:do_boot/3
** (Mix) Could not compile dependency :p1_utils, "/home/devuser/.mix/rebar3 bare compile --paths /work/cowboytest/_build/dev/lib/*/ebin" command failed. You can recompile this dependency with "mix deps.compile p1_utils", update it with "mix deps.update p1_utils" or clean it with "mix deps.clean p1_utils"
https://www.erlang.org/erlang-enhancement-proposals/eep-0047.html
https://github.com/erlang/otp/pull/1634