Can we add the execution output to the `EvaluationRunResult` please? I'll need it for a different project.

[mjnovice]

Can we add the execution output to the EvaluationRunResult please? I'll need it for a different project.

Originally posted by @akshaylive in #685 (comment)

[radu-mocanu]

we might be polluting the evaluation job output. would it help if we wrote the execution output of each data point to a log file?