current directory: /home/runner/work/rack/rack/vendor/bundle/ruby/4.0.0/gems/stringio-3.2.0/ext/stringio /opt/hostedtoolcache/Ruby/4.0.5/x64/bin/ruby extconf.rb checking for rb_io_mode_t in ruby/io.h… yes creating Makefile

current directory: /home/runner/work/rack/rack/vendor/bundle/ruby/4.0.0/gems/stringio-3.2.0/ext/stringio make -j4 DESTDIR\= sitearchdir\=./.gem.20260605-2330-f84x6n sitelibdir\=./.gem.20260605-2330-f84x6n clean

current directory: /home/runner/work/rack/rack/vendor/bundle/ruby/4.0.0/gems/stringio-3.2.0/ext/stringio make -j4 DESTDIR\= sitearchdir\=./.gem.20260605-2330-f84x6n sitelibdir\=./.gem.20260605-2330-f84x6n compiling stringio.c linking shared-object stringio.so

current directory: /home/runner/work/rack/rack/vendor/bundle/ruby/4.0.0/gems/stringio-3.2.0/ext/stringio make -j4 DESTDIR\= sitearchdir\=./.gem.20260605-2330-f84x6n sitelibdir\=./.gem.20260605-2330-f84x6n install /usr/bin/install -c -m 0755 stringio.so ./.gem.20260605-2330-f84x6n

current directory: /home/runner/work/rack/rack/vendor/bundle/ruby/4.0.0/gems/stringio-3.2.0/ext/stringio make DESTDIR\= sitearchdir\=./.gem.20260605-2330-f84x6n sitelibdir\=./.gem.20260605-2330-f84x6n clean