We just saw an instance of:
Check failure on line 221 in .dotnet/sdk/6.0.100/Sdks/NuGet.Build.Tasks.Pack/build/NuGet.Build.Tasks.Pack.targets
@azure-pipelinesazure-pipelines
/ runtime-dev-innerloop
.dotnet/sdk/6.0.100/Sdks/NuGet.Build.Tasks.Pack/build/NuGet.Build.Tasks.Pack.targets#L221
.dotnet/sdk/6.0.100/Sdks/NuGet.Build.Tasks.Pack/build/NuGet.Build.Tasks.Pack.targets(221,5): error : (NETCORE_ENGINEERING_TELEMETRY=Build) The process cannot access the file '/__w/1/s/artifacts/packages/Debug/Shipping/runtime.native.System.IO.Ports.7.0.0-ci.nupkg' because it is being used by another processc
on: #62396
Will investigate and try to repro locally to see where the lock is coming from.