runtime: TestFakeTime failures

[gopherbot]

#!watchflakes
default <- pkg == "runtime" && test == "TestFakeTime"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestFakeTime
=== PAUSE TestFakeTime
=== CONT  TestFakeTime
    crash_test.go:193: running /home/swarming/.swarming/w/ir/x/w/goroot/bin/go build -o /home/swarming/.swarming/w/ir/x/t/go-build920385677/testfaketime_-tags=faketime.exe -tags=faketime

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "runtime" && test == "TestFakeTime"

2026-05-29 19:30 gotip-openbsd-amd64 go@d7b3da6e runtime.TestFakeTime [SKIP] (log)

=== RUN   TestFakeTime
=== PAUSE TestFakeTime
=== CONT  TestFakeTime
    crash_test.go:193: running /home/swarming/.swarming/w/ir/x/w/goroot/bin/go build -o /home/swarming/.swarming/w/ir/x/t/go-build920385677/testfaketime_-tags=faketime.exe -tags=faketime

— watchflakes

[mrkfrmn]

cc @golang/runtime

[dmitshur]

From release triage, this also could be a timeout at the package-level.

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "runtime" && test == "TestFakeTime"

2026-07-15 15:12 gotip-openbsd-amd64 go@94e11b4d runtime.TestFakeTime [SKIP] (log)

=== RUN   TestFakeTime
=== PAUSE TestFakeTime
=== CONT  TestFakeTime
    crash_test.go:195: running /home/swarming/.swarming/w/ir/x/w/goroot/bin/go build -o /home/swarming/.swarming/w/ir/x/t/go-build1460644178/testfaketime_-tags=faketime.exe -tags=faketime

— watchflakes