The cargo coverage command reports the following conformance summary
``` Test262 Summary: AST Parsed : 44000/44000 (100.00%) Positive Passed: 44000/44000 (100.00%) Negative Passed: 3915/3915 (100.00%)
Babel Summary: AST Parsed : 2065/2071 (99.71%) Positive Passed: 2062/2071 (99.57%) Negative Passed: 1332/1502 (88.68%)
TypeScript Summary: AST Parsed : 2337/2337 (100.00%) Positive Passed: 2331/2337 (99.74%) Negative Passed: 673/2535 (26.55%) ```
Only some stage 3 are skipped.