[Issue 21262] New: Test Suite Heisenbug in Azure Windows x64

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=21262

          Issue ID: 21262
           Summary: Test Suite Heisenbug in Azure Windows x64
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Windows
            Status: NEW
          Severity: normal
          Priority: P1
         Component: dmd
          Assignee: nobody at puremagic.com
          Reporter: bugzilla at digitalmars.com

Here's the tail of the generated log file:

Build DMD
...
Written by Mike Haertel and others, see
<http://git.sv.gnu.org/cgit/grep.git/tree/AUTHORS>.
++ where cl.exe
+ export 'CC=C:\Program Files (x86)\Microsoft Visual
Studio\2017\Enterprise\VC\Tools\MSVC\14.16.27023\bin\Hostx64\x64\cl.exe'
+ CC='C:\Program Files (x86)\Microsoft Visual
Studio\2017\Enterprise\VC\Tools\MSVC\14.16.27023\bin\Hostx64\x64\cl.exe'
++ where lib.exe
+ export 'AR=C:\Program Files (x86)\Microsoft Visual
Studio\2017\Enterprise\VC\Tools\MSVC\14.16.27023\bin\Hostx64\x64\lib.exe'
+ AR='C:\Program Files (x86)\Microsoft Visual
Studio\2017\Enterprise\VC\Tools\MSVC\14.16.27023\bin\Hostx64\x64\lib.exe'
+ export 'MSVC_AR=C:\Program Files (x86)\Microsoft Visual
Studio\2017\Enterprise\VC\Tools\MSVC\14.16.27023\bin\Hostx64\x64\lib.exe'
+ MSVC_AR='C:\Program Files (x86)\Microsoft Visual
Studio\2017\Enterprise\VC\Tools\MSVC\14.16.27023\bin\Hostx64\x64\lib.exe'
+ '[' dmd == dmd ']'
+ install_host_dmd
+ '[' '!' -f dmd2/README.TXT ']'
+ download
http://downloads.dlang.org/releases/2.x/2.093.1/dmd.2.093.1.windows.7z dmd2.7z
+ local
url=http://downloads.dlang.org/releases/2.x/2.093.1/dmd.2.093.1.windows.7z
+ local path=dmd2.7z
+ curl -fsSL -A 'DMD-CI curl 7.71.1 (x86_64-w64-mingw32) libcurl/7.71.1
OpenSSL/1.1.1g (Schannel) zlib/1.2.11 brotli/1.0.7 libidn2/2.3.0 libssh2/1.9.0
nghttp2/1.41.0' --connect-timeout 5 --speed-time 30 --speed-limit 1024 --retry
5 --retry-delay 5
http://downloads.dlang.org/releases/2.x/2.093.1/dmd.2.093.1.windows.7z -o
dmd2.7z
curl: (56) Recv failure: Connection was reset
##[error]Cmd.exe exited with code '56'.
Finishing: Build DMD

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