current directory: /home/runner/work/rack/rack/vendor/bundle/ruby/4.0.0/gems/json-2.18.1/ext/json/ext/parser /opt/hostedtoolcache/Ruby/4.0.1/x64/bin/ruby extconf.rb checking for rb_enc_interned_str() in ruby/encoding.h… yes checking for rb_str_to_interned_str() in ruby.h… yes checking for rb_hash_new_capa() in ruby.h… yes checking for rb_hash_bulk_insert() in ruby.h… yes checking for whether -std=c99 is accepted as CFLAGS… yes checking for x86intrin.h… yes checking for cpuid.h… yes creating Makefile

current directory: /home/runner/work/rack/rack/vendor/bundle/ruby/4.0.0/gems/json-2.18.1/ext/json/ext/parser make -j4 DESTDIR\= sitearchdir\=./.gem.20260205-2317-3259gx sitelibdir\=./.gem.20260205-2317-3259gx clean

current directory: /home/runner/work/rack/rack/vendor/bundle/ruby/4.0.0/gems/json-2.18.1/ext/json/ext/parser make -j4 DESTDIR\= sitearchdir\=./.gem.20260205-2317-3259gx sitelibdir\=./.gem.20260205-2317-3259gx compiling parser.c linking shared-object json/ext/parser.so

current directory: /home/runner/work/rack/rack/vendor/bundle/ruby/4.0.0/gems/json-2.18.1/ext/json/ext/parser make -j4 DESTDIR\= sitearchdir\=./.gem.20260205-2317-3259gx sitelibdir\=./.gem.20260205-2317-3259gx install /usr/bin/install -c -m 0755 parser.so ./.gem.20260205-2317-3259gx/json/ext

current directory: /home/runner/work/rack/rack/vendor/bundle/ruby/4.0.0/gems/json-2.18.1/ext/json/ext/parser make DESTDIR\= sitearchdir\=./.gem.20260205-2317-3259gx sitelibdir\=./.gem.20260205-2317-3259gx clean