Feature request: Per-Test stdout/stderr files

[t-moe]

Motivation

We have tests that output a lot of logs. To debug, what went wrong in a pipeline run, we would like to store the stdout/stderr per test, instead of having to analyze one huge output file for all tests combined

Proposal

A new output format?
Maybe we would also need the option to specify multiple output formats (e.g. Junit summary without stdout/stderr and stdout/stderr-per-test)

Alternatives

(( A configuration option on the Junit (per-test) configuration, to create stdout/stderr files. ))

Additional context

Would you be willing to accept a PR that contributes this functionality?

[sunshowers]

It should be possible to build this on top of https://nexte.st/docs/features/record-replay-rerun/ (do read the design document). Maybe something like cargo nextest store export-test-output <test name> in both plaintext and JSON formats.