net/http: "use of closed network connection" in TestTransportPersistConnReadLoopEOF on android-386-emu

[bcmills]

#!watchflakes
post <- pkg == "net/http" && test == "TestTransportPersistConnReadLoopEOF" && `use of closed network connection`

--- FAIL: TestTransportPersistConnReadLoopEOF (0.01s)
    transport_internal_test.go:56: roundTrip = http.nothingWrittenError{error:http.nothingWrittenError{error:(*net.OpError)(0xba476030)}}, write tcp 127.0.0.1:36581->127.0.0.1:39423: use of closed network connection; want errServerClosedIdle or transportReadFromServerError
FAIL
exitcode=1
FAIL	net/http	21.959s

greplogs --dashboard -md -l -e 'FAIL: TestTransportPersistConnReadLoopEOF'

2021-11-08T17:30:10-6a9d811/android-386-emu

(CC @neild)

[gopherbot]

Timed out in state WaitingForInfo. Closing.

(I am just a bot, though. Please speak up if this is a mistake or you have the requested information.)