running 1 test BasicObject : ERROR: Cannot found name: BasicObject BasicObject superclass : ERROR: Cannot found name: BasicObject BasicObject reopened at the top level is the class Object inherits from : ERROR: Method not found: undefined method `undef_method` for Class BasicObject#== defined by a class is asked about the receiver itself : ERROR: Class#new must be called from class BasicObject#== defined on NilClass, TrueClass or FalseClass : ERROR: Method not found: undefined method `class_eval` for Array OK: 0, FAIL: 0, ERROR: 5, WARN: 0, SKIP: 0, STRESS: 0 thread 'spec_basicobject' (2458) panicked at mrubyedge/tests/mruby_spec/mod.rs:78:5: basicobject.rb: upstream assertions failed note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace test spec_basicobject ... FAILED failures: failures: spec_basicobject test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 49 filtered out; finished in 0.00s