* Log incoming jobs.
Log the full contents of the job protobuf to make debugging jobs easier
* Ensure that the parallel executor always uses at least one thread.
The caller may mis-calculate the number of CPUs as zero, in which case
ensure that at least one thread is spawned.
* Use runtime.NumCPU for CPU counts.
For hosts without docker, GetHostInfo() returns a blank struct which
has zero CPUs and causes downstream trouble.
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Co-authored-by: Paul Armstrong <psa@users.noreply.gitea.com>
Co-authored-by: Jason Song <i@wolfogre.com>
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