[Issue 20947] New: Azure Pipelines / Azure pipelines (Windows x64) fails with irrelevant Heisenbug

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=20947

          Issue ID: 20947
           Summary: Azure Pipelines / Azure pipelines (Windows x64) fails
                    with irrelevant Heisenbug
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Windows
            Status: NEW
          Severity: normal
          Priority: P1
         Component: tools
          Assignee: nobody at puremagic.com
          Reporter: bugzilla at digitalmars.com

The end of the log is:
--------------------------
2020-06-16T20:46:26.5716751Z "make" -f mak/WINDOWS copydir HOST_DMD="dmd"
MODEL=64 IMPDIR="import"
2020-06-16T20:46:26.5894389Z File 'src\core\sync\barrier.d' is newer than
system time.
2020-06-16T20:46:26.5895371Z File time = 1592495191, system time = 1592365588
2020-06-16T20:46:26.5896169Z File time = 'Thu Jun 18 08:46:31 2020
2020-06-16T20:46:26.5897586Z '
2020-06-16T20:46:26.5898302Z Sys  time = 'Tue Jun 16 20:46:28 2020
2020-06-16T20:46:26.5898967Z '
2020-06-16T20:46:26.5899683Z conf= -c -o- -Isrc -Iimport
-Hfimport\core\sync\barrier.di src\core\sync\barrier.d 
2020-06-16T20:46:26.5960730Z Error: 'conf=' not found
2020-06-16T20:46:26.5988251Z 
2020-06-16T20:46:26.5990916Z --- errorlevel 1
2020-06-16T20:46:26.6860595Z ##[error]Cmd.exe exited with code '1'.
2020-06-16T20:46:26.7357396Z ##[section]Finishing: Build DMD
---------------------------
There are two problems. The first is the clock on the test machine is off by
two days. The second is the error message about conf not being found is utterly
irrelevant to the PR.

https://dev.azure.com/dlanguage/16224964-ae9b-4642-95fd-2a4ad31ca201/_apis/build/builds/11520/logs/26

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