... 

[13:21:50] dbug: Xamarin.Hosting: Booting iPhone X (iOS 13.5) - created by XHarness...
[13:21:53] dbug: Xamarin.Hosting: Booted iPhone X (iOS 13.5) - created by XHarness successfully.
[13:21:53] dbug: Xamarin.Hosting: Installing /tmp/helix/working/B1230989/w/AB490967/e/System.Numerics.Vectors.Tests.app with Bundle Identifier net.dot.System.Numerics.Vectors.Tests on 'iOS 13.5 (17F61) - iPhone X'...
[13:35:17] dbug: Xamarin.Hosting: Installed 'net.dot.System.Numerics.Vectors.Tests' from /tmp/helix/working/B1230989/w/AB490967/e/System.Numerics.Vectors.Tests.app
[13:35:33] dbug: Xamarin.Hosting: Can't process potentially bad load commands, because the app is signed.
[13:35:33] dbug: Xamarin.Hosting: The bundle id net.dot.System.Numerics.Vectors.Tests was successfully installed.
[13:35:40] dbug: Xamarin.Hosting: Shutdown iPhone X (iOS 13.5) - created by XHarness successfully.
[13:35:40] dbug: Process mlaunch exited with 0
[13:35:40] info: Application 'System.Numerics.Vectors.Tests' was installed successfully on 'iPhone X (iOS 13.5) - created by XHarness'
XHarness exit code: 0
++ set +e
++ result=0
++ xharness apple just-test -t=ios-simulator-64 --device=9D5D65A3-87CF-4933-9B79-0D1B0B8F3A98 -o=/tmp/helix/working/B1230989/w/AB490967/uploads --app=net.dot.System.Numerics.Vectors.Tests --launch-timeout=00:05:00 --timeout=00:05:00 -v
++ dotnet exec /tmp/helix/working/B1230989/p/microsoft.dotnet.xharness.cli/1.0.0-prerelease.21378.1/tools/net6.0/any/Microsoft.DotNet.XHarness.CLI.dll apple just-test -t=ios-simulator-64 --device=9D5D65A3-87CF-4933-9B79-0D1B0B8F3A98 -o=/tmp/helix/working/B1230989/w/AB490967/uploads --app=net.dot.System.Numerics.Vectors.Tests --launch-timeout=00:05:00 --timeout=00:05:00 -v
XHarness command issued: apple just-test -t=ios-simulator-64 --device=9D5D65A3-87CF-4933-9B79-0D1B0B8F3A98 -o=/tmp/helix/working/B1230989/w/AB490967/uploads --app=net.dot.System.Numerics.Vectors.Tests --launch-timeout=00:05:00 --timeout=00:05:00 -v
[13:35:47] info: Preparing run for ios-simulator-64 targeting 9D5D65A3-87CF-4933-9B79-0D1B0B8F3A98
[13:35:47] info: Looking for available ios-simulator-64 simulators..
[13:35:47] dbug: Looking for available ios-simulator-64 simulators. Storing logs into list-ios-simulator-64-20210809_133547.log
/tmp/helix/working/B1230989/p/scripts/ec1a06bd816c49f49069ab2919012a09/execute.sh: line 13: 28858 Killed: 9               ./xharness-helix-job.apple.sh --app "System.Numerics.Vectors.Tests.app" --target "ios-simulator-64" --timeout "00:05:00" --launch-timeout "00:05:00" --includes-test-runner --expected-exit-code "0"
+ export _commandExitCode=137