{
 "task": "G1902",
 "mutants": [
  {
   "object": "{{P}}MSG",
   "mutant": "message 005: &1 -> &2 (placeholder)",
   "status": "killed",
   "hidden": "9/10",
   "failed_tests": [
    "MSG_005_TEXT"
   ]
  },
  {
   "object": "{{P}}MSG",
   "mutant": "message 003: &1 -> &2 (placeholder)",
   "status": "killed",
   "hidden": "8/10",
   "failed_tests": [
    "EXCEPTION_IS_CATCHABLE",
    "MSG_003_TEXT"
   ]
  },
  {
   "object": "{{P}}MSG",
   "mutant": "message 004: &1 -> &2 (placeholder)",
   "status": "killed",
   "hidden": "8/10",
   "failed_tests": [
    "EXCEPTION_TEXT_ONE_ARG",
    "MSG_004_TEXT"
   ]
  },
  {
   "object": "{{P}}MSG",
   "mutant": "message 002: text + ' x' (text)",
   "status": "killed",
   "hidden": "8/10",
   "failed_tests": [
    "EXCEPTION_TEXT_TWO_ARGS",
    "MSG_002_TEXT"
   ]
  },
  {
   "object": "{{P}}MSG",
   "mutant": "message 001: text + ' x' (text)",
   "status": "killed",
   "hidden": "8/10",
   "failed_tests": [
    "MSG_001_TEXT",
    "PLACEHOLDER_SUBSTITUTION"
   ]
  }
 ],
 "valid": 5,
 "killed": 5,
 "kill_rate": 1.0,
 "ok": true
}