The gotip-linux-amd64-longtest-race builder has been failing since earlier today on BenchmarkHandshakeServer in two ways: the server not supporting RSA, and the server (rightly, for production) changing its responses each time.
Bisect points to https://go.dev/cl/776701. I'm mailing a fix.
--- FAIL: BenchmarkHandshakeServer/RSA
BenchmarkHandshakeServer/RSA
handshake_server_test.go:1427: handshake failed: tls: no cipher suite supported by both client and server; client offered: [cca9 cca8 c02b c02f c02c c030 c009 c013 c00a c014]
--- FAIL: BenchmarkHandshakeServer/ECDHE-P256-ECDSA-P256/TLSv12
BenchmarkHandshakeServer/ECDHE-P256-ECDSA-P256/TLSv12
handshake_test.go:281: write mismatch: expected 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, got 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
handshake_server_test.go:1437: handshake failed: write mismatch
The gotip-linux-amd64-longtest-race builder has been failing since earlier today on BenchmarkHandshakeServer in two ways: the server not supporting RSA, and the server (rightly, for production) changing its responses each time.
Bisect points to https://go.dev/cl/776701. I'm mailing a fix.