Track T by default: the FAILING STEP named no owner. Line 2 of 2 is tools/expect_same.sh c_abi_pure_c_control26 "$(/tmp/c_abi_pure_c_control26)" "$(printf 'dbl_first 10.00\nint_first 10.00. The job's own src (test/c_abi_pure_c_control.c, 2 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 2 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_abi_pure_c_control.c at 0fd9454b879d in step 2/2, tools/expect_same.sh c_abi_pure_c_control26 "$(/tmp/c_ab (auto-filed by twatch)

• Type: regression (auto-filed by Track T watcher, host seven, twatch 802e5ed96a48). Untriaged.
• Found: 2026-08-31T17:18:35Z
• Test source: test/c_abi_pure_c_control.c tools/expect_same.sh
• Failing step: line 2 of 2 of the job's recipe; it names tools/expect_same.sh.

  tools/expect_same.sh c_abi_pure_c_control26 "$(/tmp/c_abi_pure_c_control26)" "$(printf 'dbl_first 10.00\nint_first 10.00\nthree_ints 123\ntwo_dbl 17.50\nflt 10.00')"
  
  

Repro

tools/testmgr.py --tier native --job 'test-core#src:test/c_abi_pure_c_control.c' at 0fd9454b879d05263ffb548bb99fe9d5cef26c73

Range

The named sha 0fd9454b879d 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 0fd9454b879d, last good 9d59cd77e88e, 3 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-3157252/c_abi_pure_c_control26  [code=237336B  data=10552B  bss=63600B  procs=679]
expect_same: MISMATCH [c_abi_pure_c_control26]
--- expected
+++ actual
@@ -3,3 +3,6 @@
 three_ints 123
 two_dbl 17.50
 flt 10.00
+mix4 1234.00
+eight 204
+pairsum 17.50

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

Log

• 2026-08-31 — auto-closed by the seven watcher: test-core#src:test/c_abi_pure_c_control.c passes at 1c963c732e1b (tier native); it was red at 0fd9454b879d. Reopening is by a fresh NEW-RED stub, since a second red is a second finding with its own range.