First one running on M1 inside docker (failing), another one not (working)

m1_docker.bash

docker run --rm -it elixir:1.16 mix run --no-mix-exs -e 'Mix.install(dockerexec: "~> 2.0")'

* creating /root/.mix/archives/hex-2.0.6
Resolving Hex dependencies...
Resolution completed in 0.01s
New:
  dockerexec 2.0.3
* Getting dockerexec (Hex package)
* creating /root/.mix/elixir/1-16/rebar3
===> Fetching rebar3_hex v7.0.7
===> Fetching hex_core v0.8.4
===> Fetching verl v1.1.1
===> Analyzing applications...
===> Compiling hex_core
===> Compiling verl
===> Compiling rebar3_hex
===> Fetching rebar3_ex_doc v0.2.22
===> Analyzing applications...
===> Compiling rebar3_ex_doc
fatal: not a git repository (or any of the parent directories): .git
g++: error: unrecognized command-line option ‘-mavx2’
make: *** [Makefile:127: ei++.o] Error 1
===> Hook for compile failed!

** (Mix) Could not compile dependency :dockerexec, "/root/.mix/elixir/1-16/rebar3 bare compile --paths /root/.cache/mix/installs/elixir-1.16.0-erts-14.2.1/d07997f10a6ae9874ae75044892f01ae/_build/dev/lib/*/ebin" command failed. Errors may have been logged above. You may run Mix.install/2 to try again or change the arguments to Mix.install/2 to try another version

m1_no_docker.bash

mix run --no-mix-exs -e 'Mix.install(dockerexec: "~> 2.0")'
Resolving Hex dependencies...
Resolution completed in 0.011s
New:
  dockerexec 2.0.3
* Getting dockerexec (Hex package)
===> Fetching rebar3_hex v7.0.7
===> Fetching hex_core v0.8.4
===> Fetching verl v1.1.1
===> Analyzing applications...
===> Compiling hex_core
===> Compiling verl
===> Compiling rebar3_hex
===> Fetching rebar3_ex_doc v0.2.22
===> Analyzing applications...
===> Compiling rebar3_ex_doc
fatal: not a git repository (or any of the parent directories): .git
===> Analyzing applications...
===> Compiling dockerexec