Golang net/http: TestTransportIdleCacheKeys failures with missing cache keys

#!watchflakes
post <- pkg == "net/http" && test == "TestTransportIdleCacheKeys" && `After Get expected 1 idle conn cache keys; got 0`

Issue created automatically to collect these failures.

Example (log):

--- FAIL: TestTransportIdleCacheKeys (0.00s)
    --- FAIL: TestTransportIdleCacheKeys/h1 (0.27s)
        transport_test.go:411: After Get expected 1 idle conn cache keys; got 0

— watchflakes

Comment From: gopherbot

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "net/http" && test == "TestTransportIdleCacheKeys"

2022-12-14 19:13 darwin-amd64-10_15 go@5c682f94 net/http.TestTransportIdleCacheKeys (log)

--- FAIL: TestTransportIdleCacheKeys (0.00s) --- FAIL: TestTransportIdleCacheKeys/h1 (0.27s) transport_test.go:411: After Get expected 1 idle conn cache keys; got 0

— watchflakes

Comment From: gopherbot

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "net/http" && test == "TestTransportIdleCacheKeys"

2022-12-21 18:56 darwin-amd64-nocgo go@458241f9 net/http.TestTransportIdleCacheKeys (log)

--- FAIL: TestTransportIdleCacheKeys (0.00s) --- FAIL: TestTransportIdleCacheKeys/h1 (0.06s) transport_test.go:411: After Get expected 1 idle conn cache keys; got 0

— watchflakes

Comment From: gopherbot

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "net/http" && test == "TestTransportIdleCacheKeys"

2022-12-02 16:29 freebsd-arm-paulzhol go@1711f953 net/http.TestTransportIdleCacheKeys (log)

--- FAIL: TestTransportIdleCacheKeys (0.00s) --- FAIL: TestTransportIdleCacheKeys/h1 (0.33s) transport_test.go:411: After Get expected 1 idle conn cache keys; got 0

— watchflakes

Comment From: gopherbot

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "net/http" && test == "TestTransportIdleCacheKeys"

2023-01-09 20:25 freebsd-arm-paulzhol go@0bbd67e5 net/http.TestTransportIdleCacheKeys (log)

--- FAIL: TestTransportIdleCacheKeys (0.00s) --- FAIL: TestTransportIdleCacheKeys/h1 (0.10s) transport_test.go:411: After Get expected 1 idle conn cache keys; got 0

2023-01-11 22:29 freebsd-arm-paulzhol go@245e95df net/http.TestTransportIdleCacheKeys (log)

--- FAIL: TestTransportIdleCacheKeys (0.00s) --- FAIL: TestTransportIdleCacheKeys/h1 (0.38s) transport_test.go:411: After Get expected 1 idle conn cache keys; got 0

— watchflakes

Comment From: gopherbot

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "net/http" && test == "TestTransportIdleCacheKeys"

2023-01-03 17:21 darwin-amd64-11_0 go@eb598248 net/http.TestTransportIdleCacheKeys (log)

--- FAIL: TestTransportIdleCacheKeys (0.00s) --- FAIL: TestTransportIdleCacheKeys/h1 (0.07s) transport_test.go:411: After Get expected 1 idle conn cache keys; got 0

2023-01-25 21:16 darwin-amd64-13 go@4f467f10 net/http.TestTransportIdleCacheKeys (log)

--- FAIL: TestTransportIdleCacheKeys (0.00s) --- FAIL: TestTransportIdleCacheKeys/h1 (0.08s) transport_test.go:411: After Get expected 1 idle conn cache keys; got 0

2023-01-28 19:00 freebsd-arm-paulzhol go@915af1b7 net/http.TestTransportIdleCacheKeys (log)

--- FAIL: TestTransportIdleCacheKeys (0.00s) --- FAIL: TestTransportIdleCacheKeys/h1 (0.63s) transport_test.go:411: After Get expected 1 idle conn cache keys; got 0

2023-02-01 19:47 linux-amd64-race go@ab0f0459 net/http.TestTransportIdleCacheKeys (log)

--- FAIL: TestTransportIdleCacheKeys (0.00s)

— watchflakes

Comment From: gopherbot

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "net/http" && test == "TestTransportIdleCacheKeys"

2023-02-09 17:01 darwin-amd64-13 go@8ffcd3da net/http.TestTransportIdleCacheKeys (log)

--- FAIL: TestTransportIdleCacheKeys (0.00s) --- FAIL: TestTransportIdleCacheKeys/h1 (0.06s) transport_test.go:411: After Get expected 1 idle conn cache keys; got 0

— watchflakes

Comment From: gopherbot

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "net/http" && test == "TestTransportIdleCacheKeys"

2023-02-02 23:39 darwin-amd64-12_0 go@3313880b net/http.TestTransportIdleCacheKeys (log)

--- FAIL: TestTransportIdleCacheKeys (0.00s) --- FAIL: TestTransportIdleCacheKeys/h1 (0.06s) transport_test.go:411: After Get expected 1 idle conn cache keys; got 0

2023-02-10 17:41 freebsd-arm-paulzhol go@7628627c net/http.TestTransportIdleCacheKeys (log)

--- FAIL: TestTransportIdleCacheKeys (0.00s) --- FAIL: TestTransportIdleCacheKeys/h1 (0.46s) transport_test.go:411: After Get expected 1 idle conn cache keys; got 0

2023-02-10 21:45 darwin-amd64-race go@f0cb44a7 net/http.TestTransportIdleCacheKeys (log)

--- FAIL: TestTransportIdleCacheKeys (0.00s) --- FAIL: TestTransportIdleCacheKeys/h1 (0.07s) transport_test.go:411: After Get expected 1 idle conn cache keys; got 0

— watchflakes

Comment From: gopherbot

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "net/http" && test == "TestTransportIdleCacheKeys"

2023-03-10 17:59 freebsd-arm-paulzhol go@9872428a net/http.TestTransportIdleCacheKeys (log)

--- FAIL: TestTransportIdleCacheKeys (0.00s) --- FAIL: TestTransportIdleCacheKeys/h1 (1.23s) transport_test.go:411: After Get expected 1 idle conn cache keys; got 0

— watchflakes

Comment From: bcmills

This is another one in the darwin + freebsd cluster (attn @neild @paulzhol)

Comment From: gopherbot

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "net/http" && test == "TestTransportIdleCacheKeys" && `After Get expected 1 idle conn cache keys; got 0`

2023-03-14 16:42 darwin-amd64-11_0 go@46bc9a6e net/http.TestTransportIdleCacheKeys (log)

--- FAIL: TestTransportIdleCacheKeys (0.00s) --- FAIL: TestTransportIdleCacheKeys/h1 (0.06s) transport_test.go:411: After Get expected 1 idle conn cache keys; got 0

— watchflakes

Comment From: gopherbot

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "net/http" && test == "TestTransportIdleCacheKeys" && `After Get expected 1 idle conn cache keys; got 0`

2023-04-06 20:58 darwin-amd64-11_0 go@57b4df21 net/http.TestTransportIdleCacheKeys (log)

--- FAIL: TestTransportIdleCacheKeys (0.00s) --- FAIL: TestTransportIdleCacheKeys/h1 (0.08s) transport_test.go:413: After Get expected 1 idle conn cache keys; got 0

— watchflakes

Comment From: gopherbot

Change https://go.dev/cl/483116 mentions this issue: net/http: wait forever for write results in tests

Comment From: gopherbot

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "net/http" && test == "TestTransportIdleCacheKeys" && `After Get expected 1 idle conn cache keys; got 0`

2023-04-14 17:58 darwin-amd64-nocgo go@ecf7e00d net/http.TestTransportIdleCacheKeys (log)

--- FAIL: TestTransportIdleCacheKeys (0.00s) --- FAIL: TestTransportIdleCacheKeys/h1 (0.09s) transport_test.go:411: After Get expected 1 idle conn cache keys; got 0

— watchflakes

Comment From: bcmills

ecf7e00d is on release-branch.go1.20 (see #59483).

@neild, do you think the fix CL is worth backporting to reduce noise during releases?

Comment From: gopherbot

Found new dashboard test flakes for:

#!watchflakes
post <- pkg == "net/http" && test == "TestTransportIdleCacheKeys" && `After Get expected 1 idle conn cache keys; got 0`

2023-06-22 15:41 freebsd-arm-paulzhol go@b8e67d1d net/http.TestTransportIdleCacheKeys (log)

--- FAIL: TestTransportIdleCacheKeys (0.00s) --- FAIL: TestTransportIdleCacheKeys/h1 (0.23s) transport_test.go:411: After Get expected 1 idle conn cache keys; got 0

— watchflakes