Track T by default: the FAILING STEP named no owner. Line 7 of 14 is python3 tools/ast_slot_overloads.py --self-check. The job's own src (test/c_asm_in_inline_body.c, 4 file(s)) is NOT used here on purpose: it is what the job compiles, not what broke, and guessing a lane from it is what sent three reds in one job to the wrong lane. This is a FALLBACK, not a finding — nothing says the defect is Track T's. Re-lane it before working it.

origin/master has advanced 3 commit(s) since this sha. Re-verify at current HEAD before acting — the callback is tagged to the sha that was tested, which may no longer be the state of the tree.

regression: test-core#src:test/c_asm_in_inline_body.c@2 at 4fe0e6505042 in step 7/14, python3 tools/ast_slot_overloads.py --self-check (auto-filed by twatch)

• Type: regression (auto-filed by Track T watcher, host seven, twatch 883da23adb0a). Untriaged.
• Found: 2026-09-10T13:19:07Z
• Test source: test/c_asm_in_inline_body.c tools/expect_same.sh +2
• Failing step: line 7 of 14 of the job's recipe; it names tools/ast_slot_overloads.py.

  python3 tools/ast_slot_overloads.py --self-check
  
  

Repro

tools/testmgr.py --tier native --job 'test-core#src:test/c_asm_in_inline_body.c@2' at 4fe0e65050422843c9eedf09a383822774dc54b0

Range

The named sha 4fe0e6505042 CANNOT be the cause — it touches no buildable file (docs / tickets / tstate only). It is the sha that was TESTED, i.e. the upper bound of an untested range; the cause is somewhere below it.

bad 4fe0e6505042, last good 3cd9c8f8251b, 2 commit(s) in range — the watcher narrows this by idle bisect; check tstate/TSTATE.md for the current range.

Log tail

ok: /tmp/testmgr-scratch-631581/c_asm_inline26_o3  [code=65304B  data=12928B  bss=76520B  procs=868]
ast_slot_overloads: self-check OK — an injected payload write into AN_SEQ's Right is reported.
ast_slot_overloads: the slot-write census has CHANGED. If a new kind parks a non-node in ASTLeft/ASTRight, add it to ASTLeftIsChild/ASTRightIsChild in compiler/ast_arena.inc; then re-run with --update.
  --- expected
  +++ measured
  @@ -170,6 +170,7 @@
   AN_ARG Left keyNode
   AN_ARG Left kindNode
   AN_ARG Left kwDictNode
  +AN_ARG Left kwLitNode
   AN_ARG Left kwNone
   AN_ARG Left kwVal
   AN_ARG Left l1

Stub ticket: signal only. Track T agent (face 2) enriches or a dev track takes it from the repro line.

Log

• 2026-09-10 — the seven watcher saw test-core#src:test/c_asm_in_inline_body.c@2 GREEN at 16993f9196cf (tier native) and did NOT close this: this is a repeat stub (regression-test-core-c-asm-in-inline-body-3, not regression-test-core-c-asm-in-inline-body) — the job already went red, was closed, and came back, so one green is the outcome a live intermittent bug produces most of the time. The green is recorded because it is evidence and because a ticket that stops moving with no reason reads as forgotten; closing this one is a human's call.
• 2026-09-13 — the borg watcher saw test-core#src:test/c_asm_in_inline_body.c@2 GREEN at 2864c4721102 (tier native) and did NOT close this: this is a repeat stub (regression-test-core-c-asm-in-inline-body-3, not regression-test-core-c-asm-in-inline-body) — the job already went red, was closed, and came back, so one green is the outcome a live intermittent bug produces most of the time. The green is recorded because it is evidence and because a ticket that stops moving with no reason reads as forgotten; closing this one is a human's call.
• 2026-09-14 — the borg watcher saw test-core#src:test/c_asm_in_inline_body.c@2 GREEN at 1fa5bc5e334c (tier native) and did NOT close this: this is a repeat stub (regression-test-core-c-asm-in-inline-body-3, not regression-test-core-c-asm-in-inline-body) — the job already went red, was closed, and came back, so one green is the outcome a live intermittent bug produces most of the time. The green is recorded because it is evidence and because a ticket that stops moving with no reason reads as forgotten; closing this one is a human's call.
• 2026-09-16 — the borg watcher saw test-core#src:test/c_asm_in_inline_body.c@2 GREEN at 28d8539fec57 (tier native) and did NOT close this: this is a repeat stub (regression-test-core-c-asm-in-inline-body-3, not regression-test-core-c-asm-in-inline-body) — the job already went red, was closed, and came back, so one green is the outcome a live intermittent bug produces most of the time. The green is recorded because it is evidence and because a ticket that stops moving with no reason reads as forgotten; closing this one is a human's call.
• 2026-09-19 — the borg watcher saw test-core#src:test/c_asm_in_inline_body.c@2 GREEN at 2c09be089d8d (tier native) and did NOT close this: this is a repeat stub (regression-test-core-c-asm-in-inline-body-3, not regression-test-core-c-asm-in-inline-body) — the job already went red, was closed, and came back, so one green is the outcome a live intermittent bug produces most of the time. The green is recorded because it is evidence and because a ticket that stops moving with no reason reads as forgotten; closing this one is a human's call.
• 2026-09-20 — the borg watcher saw test-core#src:test/c_asm_in_inline_body.c@2 GREEN at df19c8d95807 (tier native) and did NOT close this: this is a repeat stub (regression-test-core-c-asm-in-inline-body-3, not regression-test-core-c-asm-in-inline-body) — the job already went red, was closed, and came back, so one green is the outcome a live intermittent bug produces most of the time. The green is recorded because it is evidence and because a ticket that stops moving with no reason reads as forgotten; closing this one is a human's call.