YAML::ENGINE has been removed from Ruby 2.2.
Address MRI 2.2 warnings (possible reference to past scope).

From https://github.com/ruby/ruby/commit/f5f6218a23fdbe45d1a80c202a131f02c3eef0ce.
It causes 280 warnings in our spec suite :(. The fix is to change the names of
variables and/or `let` definitions so they do not clash.

/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/and_call_original_spec.rb:92: warning: possible reference to past scope - instance
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/and_call_original_spec.rb:93: warning: possible reference to past scope - instance
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/and_call_original_spec.rb:94: warning: possible reference to past scope - instance
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/and_call_original_spec.rb:177: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/and_call_original_spec.rb:191: warning: possible reference to past scope - instance
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/and_call_original_spec.rb:192: warning: possible reference to past scope - instance
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/and_call_original_spec.rb:196: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/and_call_original_spec.rb:197: warning: possible reference to past scope - instance
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/and_call_original_spec.rb:201: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/and_call_original_spec.rb:203: warning: possible reference to past scope - instance
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/and_call_original_spec.rb:208: warning: possible reference to past scope - instance
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/and_call_original_spec.rb:218: warning: possible reference to past scope - instance
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/and_call_original_spec.rb:258: warning: possible reference to past scope - instance
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/and_call_original_spec.rb:259: warning: possible reference to past scope - instance
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/and_call_original_spec.rb:260: warning: possible reference to past scope - instance
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/and_yield_spec.rb:142: warning: possible reference to past scope - obj
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/and_yield_spec.rb:148: warning: possible reference to past scope - obj
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:718: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:719: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:723: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:729: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:740: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:741: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:747: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:760: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:761: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:766: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:773: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:774: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:781: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:782: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:791: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:792: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:798: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:799: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:808: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:809: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:815: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:816: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:824: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:825: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:834: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:835: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:841: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:842: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:850: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:851: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:860: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:861: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:867: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:868: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:875: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:876: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:883: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:884: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:889: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:890: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:896: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:897: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:906: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:912: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:913: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:919: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:920: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:921: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:926: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:927: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:941: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:947: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:948: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:954: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:955: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:959: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:963: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:964: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:968: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:969: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:973: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:974: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:980: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:986: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:990: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:994: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1002: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1003: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1009: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1013: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1017: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1024: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1025: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1029: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1035: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1039: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1050: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1051: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1055: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1062: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1063: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1066: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1067: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1072: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1073: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1088: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1091: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1110: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1111: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1116: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1119: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1134: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1137: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1143: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1144: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1181: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1184: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1192: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1215: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1217: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1226: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/any_instance_spec.rb:1228: warning: possible reference to past scope - klass
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/combining_implementation_instructions_spec.rb:129: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/combining_implementation_instructions_spec.rb:134: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/combining_implementation_instructions_spec.rb:139: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/combining_implementation_instructions_spec.rb:144: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/combining_implementation_instructions_spec.rb:150: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/combining_implementation_instructions_spec.rb:156: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/double_spec.rb:72: warning: possible reference to past scope - double
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/matchers/have_received_spec.rb:144: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/matchers/have_received_spec.rb:145: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/matchers/have_received_spec.rb:146: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/matchers/have_received_spec.rb:151: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/matchers/have_received_spec.rb:156: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/matchers/have_received_spec.rb:159: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/matchers/have_received_spec.rb:162: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/matchers/have_received_spec.rb:163: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/matchers/have_received_spec.rb:164: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/matchers/have_received_spec.rb:170: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/matchers/have_received_spec.rb:177: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/matchers/have_received_spec.rb:181: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/matchers/have_received_spec.rb:186: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/matchers/have_received_spec.rb:193: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/matchers/have_received_spec.rb:197: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/matchers/have_received_spec.rb:202: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/matchers/have_received_spec.rb:301: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/matchers/have_received_spec.rb:302: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/matchers/have_received_spec.rb:304: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/matchers/have_received_spec.rb:305: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/matchers/have_received_spec.rb:309: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/matchers/have_received_spec.rb:310: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/matchers/have_received_spec.rb:311: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/matchers/have_received_spec.rb:313: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/matchers/have_received_spec.rb:314: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/matchers/have_received_spec.rb:315: warning: possible reference to past scope - dbl
/Users/myron/code/rspec-dev/repos/rspec-mocks/spec/rspec/mocks/matchers/have_received_spec.rb:319: warning: possible reference to past scope - dbl
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