General build flakiness

[alexdima]

Here I am trying to collect various failed builds that were not caused by our unit tests or integration tests:

yarn electron x64:

• 1549639238 failed on Windows:

[electron] internal/streams/legacy.js:61
[electron]       throw er; // Unhandled stream error in pipe.
[electron]       ^
[electron] 
[electron] Error: end of central directory record signature not found
[electron]     at D:\a\vscode\vscode\node_modules\gulp-vinyl-zip\node_modules\yauzl\index.js:183:14
[electron]     at D:\a\vscode\vscode\node_modules\gulp-vinyl-zip\node_modules\yauzl\index.js:622:5
[electron]     at D:\a\vscode\vscode\node_modules\fd-slicer\index.js:32:7
[electron]     at FSReqCallback.wrapper [as oncomplete] (fs.js:520:5)
[electron] error Command failed with exit code 1.

yarn

• 1549600452 failed on macOS
• 1549622385 failed on macOS
• 1549543890 failed on macOS
• 1549604304 failed on macOS
• 1549605627 failed on macOS
• 1550107170 failed on macOS

[2/4] Fetching packages...
info There appears to be trouble with your network connection. Retrying...
info There appears to be trouble with your network connection. Retrying...
info There appears to be trouble with your network connection. Retrying...
info There appears to be trouble with your network connection. Retrying...
info There appears to be trouble with your network connection. Retrying...
info There appears to be trouble with your network connection. Retrying...
info There appears to be trouble with your network connection. Retrying...
info There appears to be trouble with your network connection. Retrying...
error An unexpected error occurred: "https://registry.yarnpkg.com/date-fns/-/date-fns-2.14.0.tgz: ESOCKETTIMEDOUT".
info If you think this is a bug, please open a bug report with the information provided in "/Users/runner/work/vscode/vscode/yarn-error.log".
info Visit https://yarnpkg.com/en/docs/cli/install for documentation about this command.
Error: Process completed with exit code 1.

[alexdima]

Closing since now we open new issues directly