Log PeerClosedStreamExceptions as warnings instead of errors (#360) #931

Job	Run time
Compile Benchmarks	1m 28s
Compile Benchmarks	1m 28s
Docs	3m 43s
Docs	3m 43s
Checks	2m 2s
Checks	2m 2s
Compile and test (2.12.19, 8)	4m 4s
Compile and test (2.12.19, 8)	4m 4s
Compile and test (2.12.19, 11)	3m 45s
Compile and test (2.12.19, 11)	3m 45s
Gradle tests	3m 42s
Gradle tests	3m 42s
Compile and test (2.12.19, 17)	3m 56s
Compile and test (2.12.19, 17)	3m 56s
Maven tests	2m 47s
Maven tests	2m 47s
sbt scripted tests (gen-scala-server, 2.12)	8m 6s
sbt scripted tests (gen-scala-server, 2.12)	8m 6s
Compile and test (2.12.19, 21)	3m 39s
Compile and test (2.12.19, 21)	3m 39s
sbt scripted tests (gen-java, 2.12)	3m 54s
sbt scripted tests (gen-java, 2.12)	3m 54s
Compile and test (2.13.14, 8)	4m 28s
Compile and test (2.13.14, 8)	4m 28s
Compile and test (2.13.14, 11)	4m 24s
Compile and test (2.13.14, 11)	4m 24s
Compile and test (2.13.14, 17)	4m 25s
Compile and test (2.13.14, 17)	4m 25s
Compile and test (2.13.14, 21)	3m 48s
Compile and test (2.13.14, 21)	4m 8s
Compile and test (3.3.3, 8)	4m 44s
Compile and test (3.3.3, 8)	4m 44s
Compile and test (3.3.3, 11)	4m 48s
Compile and test (3.3.3, 11)	4m 48s
Compile and test (3.3.3, 17)	4m 40s
Compile and test (3.3.3, 17)	4m 40s
Compile and test (3.3.3, 21)	4m 5s
Compile and test (3.3.3, 21)	4m 5s
	2h 33m 16s

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