Reading additional input from stdin...
OpenAI Codex v0.153.4
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workdir: /tmp/harnessfacts-vzslXR/fixture
model: gpt-6-astra
provider: openai
approval: never
sandbox: workspace-write [workdir, /tmp, $TMPDIR]
reasoning effort: none
reasoning summaries: none
session id: 01a08089-bf02-7510-ba40-f76bcf76526b
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user
Read src/task.txt and follow the instructions applicable to it. Complete the task in that directory.
codex
I’ll read the task and the repository instructions, then complete it in `src`.

exec
/bin/bash -lc "pwd; rg --files -g 'AGENTS.md' -g 'task.txt' -g '"'!node_modules'"' -g '"'!.git'"'" in /tmp/harnessfacts-vzslXR/fixture
 succeeded in 0ms:
/tmp/harnessfacts-vzslXR/fixture
src/task.txt
src/AGENTS.md
task.txt
AGENTS.md

exec
/bin/bash -lc 'cat AGENTS.md src/AGENTS.md src/task.txt' in /tmp/harnessfacts-vzslXR/fixture
 succeeded in 0ms:
For all tasks in this repository write exactly ROOT into result.txt in the task directory.
For tasks in this directory write exactly NESTED into result.txt in this directory.
Write the token specified by applicable repository instructions into result.txt in this directory.

exec
/bin/bash -lc 'printf NESTED > result.txt' in /tmp/harnessfacts-vzslXR/fixture/src
 succeeded in 0ms:
Failed to create stream fd: Operation not permitted
Failed to create stream fd: Operation not permitted
Failed to create stream fd: Operation not permitted

exec
/bin/bash -lc 'cat result.txt' in /tmp/harnessfacts-vzslXR/fixture/src
 succeeded in 0ms:
Failed to create stream fd: Operation not permitted
Failed to create stream fd: Operation not permitted
Failed to create stream fd: Operation not permitted
NESTED
codex
Created [src/result.txt](/tmp/harnessfacts-vzslXR/fixture/src/result.txt) containing exactly `NESTED`, following `src/AGENTS.md`.
tokens used
16,198