{
  "purpose": "A separate consolidating-evaluator check, not the critic trace or a full pinned CPython test. The pinned dispatch was checked separately against this host behavior.",
  "command": [
    "strace",
    "-f",
    "--trace=%process",
    "python3",
    "-c",
    "import subprocess; subprocess._USE_VFORK=False; print(\"_USE_VFORK\",subprocess._USE_VFORK,\"_USE_POSIX_SPAWN\",subprocess._USE_POSIX_SPAWN,\"CLOSEFROM\",subprocess._HAVE_POSIX_SPAWN_CLOSEFROM); subprocess.check_call([\"/bin/true\"])"
  ],
  "exit_code": 0,
  "python_version": "3.14.7",
  "libc": [
    "glibc",
    "2.39"
  ],
  "stdout": "_USE_VFORK False _USE_POSIX_SPAWN True CLOSEFROM True\n",
  "stderr": "execve(\"<LOCAL_PATH>\", [\"python3\", \"-c\", \"import subprocess; subprocess._U\"...], 0x7ffdd9e67870 /* 49 vars */) = 0\nclone3({flags=CLONE_VM|CLONE_VFORK|CLONE_CLEAR_SIGHAND, exit_signal=SIGCHLD, stack=0x7c33b40ed000, stack_size=0x9000}, 88strace: Process 2380943 attached\n <unfinished ...>\n[pid 2380943] execve(\"/bin/true\", [\"/bin/true\"], 0x7ffed8ae4778 /* 49 vars */ <unfinished ...>\n[pid 2380941] <... clone3 resumed>)     = 2380943\n[pid 2380943] <... execve resumed>)     = 0\n[pid 2380941] wait4(2380943,  <unfinished ...>\n[pid 2380943] exit_group(0)             = ?\n[pid 2380943] +++ exited with 0 +++\n<... wait4 resumed>[{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0, NULL) = 2380943\n--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2380943, si_uid=<REDACTED_UID>, si_status=0, si_utime=0, si_stime=0} ---\nexit_group(0)                           = ?\n+++ exited with 0 +++\n",
  "redactions": "Home-directory executable path and numeric Unix account ID removed. Original captured output preserved locally."
}