can't install 2.6.5 ruby version (and other old versions) on Archlinux

[WorstOfAny]

$ rbenv install 2.6.5
==> Downloading openssl-1.1.1w.tar.gz...
-> curl -q -fL -o openssl-1.1.1w.tar.gz https://dqw8nmjcqpjn7.cloudfront.net/cf3098950cb4d853ad95c0841f1f9c6d3dc102dccfcacd521d93925208b76ac8
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 9661k  100 9661k    0     0  9487k      0  0:00:01  0:00:01 --:--:-- 9490k
==> Installing openssl-1.1.1w...
-> ./config "--prefix=$HOME/.rbenv/versions/2.6.5/openssl" "--openssldir=$HOME/.rbenv/versions/2.6.5/openssl/ssl" --libdir=lib zlib-dynamic no-ssl3 shared "-Wl,-rpath,$HOME/.rbenv/versions/2.6.5/openssl/lib"                                                                                                                                   
-> make -j 16
-> make install_sw install_ssldirs
==> Installed openssl-1.1.1w to ....
==> Downloading ruby-2.6.5.tar.bz2...
-> curl -q -fL -o ruby-2.6.5.tar.bz2 https://cache.ruby-lang.org/pub/ruby/2.6/ruby-2.6.5.tar.bz2
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 13.4M  100 13.4M    0     0  3026k      0  0:00:04  0:00:04 --:--:-- 3251k
==> Installing ruby-2.6.5...

WARNING: ruby-2.6.5 is past its end of life and is now unsupported.
It no longer receives bug fixes or critical security updates.

-> ./configure "--prefix=$HOME/.rbenv/versions/2.6.5" "--with-openssl-dir=$HOME/.rbenv/versions/2.6.5/openssl" --enable-shared --with-ext=openssl,psych,+
-> make -j 16

BUILD FAILED (Arch rolling on x86_64 using ruby-build 20250610)

You can inspect the build directory at /tmp/ruby-build.20250714123320.172396.ecrC1S

log.log

Can't understand and find solution :(