HPCC-30405 Jtrace CNullSpan Implementation #6538

Job	Run time
Check Skip	19s
Build Docker (ubuntu-23.10, pull_request)	8m 15s
Build Docker (ubuntu-22.04, k8s, true, schedule)	58s
Build Docker (ubuntu-22.04, schedule)	15s
Build Bare Metal (ubuntu-20.04, mono, sudo, -DCMAKE_BUILD_TYPE=RelWithDebInfo -DINCLUDE_PLUGINS=O...	3s
Build Docker (ubuntu-20.04, schedule)	1m 21s
Build Bare Metal (ubuntu-22.04, mono, sudo, -DCMAKE_BUILD_TYPE=RelWithDebInfo -DINCLUDE_PLUGINS=O...	44m 14s
Build Docker (centos-8, schedule)	20s
Build Bare Metal (windows-2019, -T host=x64 -A x64 -DUSE_OPTIONAL=OFF -DCLIENTTOOLS_ONLY=ON -DUSE...	3s
Build Docker (centos-7, pull_request, -DVCPKG_TARGET_TRIPLET=x64-centos-7-dynamic)	1h 26m 31s
Build Bare Metal (windows-2022, -T host=x64 -A x64 -DUSE_OPTIONAL=OFF -DCLIENTTOOLS_ONLY=ON -DUSE...	25m 54s
Build Docker (amazonlinux, schedule, -DVCPKG_TARGET_TRIPLET=x64-amazonlinux-dynamic)	1m 10s
Build Bare Metal (macos-11, mono, sudo, -DCMAKE_BUILD_TYPE=Release -DUSE_OPTIONAL=OFF -DCLIENTTOO...	5s
Build Docker (centos-7, LN, -DVCPKG_TARGET_TRIPLET=x64-centos-7-dynamic, true, schedule)	3m 26s
Build Bare Metal (macos-12, mono, sudo, -DCMAKE_BUILD_TYPE=Release -DUSE_OPTIONAL=OFF -DCLIENTTOO...	11m 22s
	3h 4m 16s

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