ArgumentError: extra target ["src", "src", "src"] /home/runner/work/ruby/ruby/src/lib/fileutils.rb:2477:in 'FileUtils.fu_each_src_dest0' /home/runner/work/ruby/ruby/src/lib/fileutils.rb:735:in 'FileUtils.ln_sr' /home/runner/work/ruby/ruby/src/gems/src/rbs/lib/rbs/unit_test/spy.rb:94:in 'block (2 levels) in wrapped_object' /home/runner/work/ruby/ruby/src/gems/src/rbs/lib/rbs/unit_test/type_assertions.rb:152:in 'block in RBS::UnitTest::TypeAssertions#send_setup' /home/runner/work/ruby/ruby/src/gems/src/rbs/lib/rbs/unit_test/type_assertions.rb:150:in 'Kernel#catch' /home/runner/work/ruby/ruby/src/gems/src/rbs/lib/rbs/unit_test/type_assertions.rb:150:in 'RBS::UnitTest::TypeAssertions#send_setup' /home/runner/work/ruby/ruby/src/gems/src/rbs/lib/rbs/unit_test/type_assertions.rb:172:in 'RBS::UnitTest::TypeAssertions#assert_send_type' test/stdlib/FileUtils_test.rb:363:in 'block in FileUtilsSingletonTest#test_ln_sr' test/stdlib/FileUtils_test.rb:9:in 'Dir.chdir' test/stdlib/FileUtils_test.rb:9:in 'block in TmpdirHelper#in_tmpdir' /home/runner/work/ruby/ruby/src/lib/tmpdir.rb:105:in 'Dir.mktmpdir' test/stdlib/FileUtils_test.rb:8:in 'TmpdirHelper#in_tmpdir' test/stdlib/FileUtils_test.rb:353:in 'FileUtilsSingletonTest#test_ln_sr'