===>  License MIT accepted by the user
===>   elixir-oauth2-0cipiertest depends on file: /usr/local/sbin/pkg - found
===> Fetching all distfiles required by elixir-oauth2-0cipiertest for building
===>  Extracting for elixir-oauth2-0cipiertest
=> SHA256 Checksum OK for scrogson-oauth2-v0cipiertest_GH0.tar.gz.
===>  Patching for elixir-oauth2-0cipiertest
===>   elixir-oauth2-0cipiertest depends on executable: elixir - found
===>   elixir-oauth2-0cipiertest depends on package: elixir-plug>=0 - found
===>   elixir-oauth2-0cipiertest depends on package: erlang-hackney>=0 - found
===>  Configuring for elixir-oauth2-0cipiertest
===>  Building for elixir-oauth2-0cipiertest
Could not find Hex, which is needed to build dependency :hackney
Shall I install Hex? (if running non-interactively, use "mix local.hex --force") [Yn] *** Error code 1

Stop.
make: stopped in /oauth2-0cipiertest-port
1