Test:
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Run (ubuntu-16.04, g++-5)
The log file:
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Err:29 https://dl.bintray.com/sbt/debian Packages
502 Bad Gateway
Fetched 15.3 kB in 2s (7,262 B/s)
Reading package lists...
W: The repository 'https://dl.bintray.com/sbt/debian Release' does not have a Release file.
E: Failed to fetch https://dl.bintray.com/sbt/debian/Packages 502 Bad Gateway
E: Some index files failed to download. They have been ignored, or old ones used instead.
Error: Process completed with exit code 100.
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Comment #1 by pro.mathias.lang — 2021-02-03T11:32:51Z
That was a temporary outage on the provider side. And while we retry timeouts and similar, this was a 500 error code, meaning server error, which is usually not retried. Closing as WORKSFORME (for clarity: the other test-suite related bugs are about the lack of retry, this is not).