current directory: /home/runner/work/rack/rack/vendor/bundle/ruby/4.0.0/gems/json-3.0.0/ext/json/ext/parser /opt/hostedtoolcache/Ruby/4.0.6/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 ruby_xfree_sized() in ruby.h... no checking for x86intrin.h... yes checking for _lzcnt_u64() in x86intrin.h... no checking for intrin.h... no checking for RUBY_TYPED_EMBEDDABLE in ruby.h... yes checking for whether -std=c99 is accepted as CFLAGS… yes checking for whether -mno-outline is accepted as CFLAGS… no 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-3.0.0/ext/json/ext/parser make DESTDIR\= sitearchdir\=./.gem.20260908-2067-62qn3g sitelibdir\=./.gem.20260908-2067-62qn3g clean

current directory: /home/runner/work/rack/rack/vendor/bundle/ruby/4.0.0/gems/json-3.0.0/ext/json/ext/parser make DESTDIR\= sitearchdir\=./.gem.20260908-2067-62qn3g sitelibdir\=./.gem.20260908-2067-62qn3g 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-3.0.0/ext/json/ext/parser make DESTDIR\= sitearchdir\=./.gem.20260908-2067-62qn3g sitelibdir\=./.gem.20260908-2067-62qn3g install /usr/bin/install -c -m 0755 parser.so ./.gem.20260908-2067-62qn3g/json/ext

current directory: /home/runner/work/rack/rack/vendor/bundle/ruby/4.0.0/gems/json-3.0.0/ext/json/ext/parser make DESTDIR\= sitearchdir\=./.gem.20260908-2067-62qn3g sitelibdir\=./.gem.20260908-2067-62qn3g clean