current directory: /home/runner/work/rack/rack/vendor/bundle/ruby/3.4.0/gems/psych-5.2.6/ext/psych /opt/hostedtoolcache/Ruby/3.4.4/x64/bin/ruby extconf.rb checking for pkg-config for yaml-0.1… [“ ”, “”, “-lyaml”] checking for yaml.h… yes checking for yaml_get_version() in -lyaml… yes creating Makefile

current directory: /home/runner/work/rack/rack/vendor/bundle/ruby/3.4.0/gems/psych-5.2.6/ext/psych make DESTDIR= sitearchdir=./.gem.20250618-1986-rt8xpd sitelibdir=./.gem.20250618-1986-rt8xpd clean cd libyaml && make clean /bin/sh: 1: cd: can’t cd to libyaml make: [Makefile:287: clean-so] Error 2 (ignored)

current directory: /home/runner/work/rack/rack/vendor/bundle/ruby/3.4.0/gems/psych-5.2.6/ext/psych make DESTDIR= sitearchdir=./.gem.20250618-1986-rt8xpd sitelibdir=./.gem.20250618-1986-rt8xpd compiling psych.c compiling psych_emitter.c compiling psych_parser.c compiling psych_to_ruby.c compiling psych_yaml_tree.c linking shared-object psych.so

current directory: /home/runner/work/rack/rack/vendor/bundle/ruby/3.4.0/gems/psych-5.2.6/ext/psych make DESTDIR= sitearchdir=./.gem.20250618-1986-rt8xpd sitelibdir=./.gem.20250618-1986-rt8xpd install /usr/bin/install -c -m 0755 psych.so ./.gem.20250618-1986-rt8xpd

current directory: /home/runner/work/rack/rack/vendor/bundle/ruby/3.4.0/gems/psych-5.2.6/ext/psych make DESTDIR= sitearchdir=./.gem.20250618-1986-rt8xpd sitelibdir=./.gem.20250618-1986-rt8xpd clean cd libyaml && make clean /bin/sh: 1: cd: can’t cd to libyaml make: [Makefile:287: clean-so] Error 2 (ignored)