| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 269 of 269 | 0% | 18 of 18 | 0% | 15 | 15 | 57 | 57 | 6 | 6 |
| formatInLine(List, RubyException) | | 0% | | 0% | 5 | 5 | 24 | 24 | 1 | 1 |
| formatCallerLine(List, int) | | 0% | | 0% | 3 | 3 | 16 | 16 | 1 | 1 |
| format(RubyContext, RubyException, Backtrace) | | 0% | | 0% | 3 | 3 | 10 | 10 | 1 | 1 |
| nextUserSourceSection(List, int) | | 0% | | 0% | 2 | 2 | 5 | 5 | 1 | 1 |
| formatFromLine(List, int) | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 | |
| MRIBacktraceFormatter() | | 0% | n/a | 1 | 1 | 1 | 1 | 1 | 1 |