For example:
https://ci.dot.net/job/dotnet_coreclr/job/master/job/x64_release_windows_nt_pri1_prtest/1152/console
15:52:41 D:\j\workspace\x64_release_w---0575cb46\Tools\sign.targets(70,5): error :
D:\j\workspace\x64_release_w--
-0575cb46\bin\int\Managed\GC\Stress\Tests\StressAllocator\StressAllocator.exe: I/O error reading or
writing PE file: The process cannot access the file 'D:\j\workspace\x64_release_w--
-0575cb46\bin\int\Managed\GC\Stress\Tests\StressAllocator\StressAllocator.exe' because it is being used by another process. [D:\j\workspace\x64_release_w--
-0575cb46\tests\src\GC\Stress\Tests\StressAllocator.csproj]
Also seen as:
16:39:01 D:\j\workspace\x64_release_w---0575cb46\Tools\sign.targets(70,5): error :
D:\j\workspace\x64_release_w--
-0575cb46\bin\int\Managed\GC\Stress\Tests\ThdTreeGrowingObj\ThdTreeGrowingObj.exe: PE file is
already strong-name signed. [D:\j\workspace\x64_release_w--
-0575cb46\tests\src\GC\Stress\Tests\ThdTreeGrowingObj.csproj]
Perhaps there's some sort of race condition when building these tests.