os/exec: TestConcurrentExec failures with `context canceled`

[gopherbot]

#!watchflakes
default <- pkg == "os/exec" && test == "TestConcurrentExec" && `context canceled`

Issue created automatically to collect these failures.

Example (log):

--- FAIL: TestConcurrentExec (0.01s)
    exec_test.go:1757: context canceled

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "os/exec" && test == "TestConcurrentExec"

2023-07-10 19:19 linux-amd64-nocgo go@07ede7a5 os/exec.TestConcurrentExec (log)

--- FAIL: TestConcurrentExec (0.01s)
    exec_test.go:1757: context canceled

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "os/exec" && test == "TestConcurrentExec"

2023-07-10 19:19 freebsd-arm64-dmgk go@07ede7a5 os/exec.TestConcurrentExec (log)

--- FAIL: TestConcurrentExec (0.01s)
    exec_test.go:1757: context canceled

2023-07-10 19:19 linux-ppc64-sid-power10 go@07ede7a5 os/exec.TestConcurrentExec (log)

--- FAIL: TestConcurrentExec (0.00s)
    exec_test.go:1757: context canceled

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "os/exec" && test == "TestConcurrentExec"

2023-07-11 00:36 linux-amd64-bookworm go@6a063b01 os/exec.TestConcurrentExec (log)

--- FAIL: TestConcurrentExec (0.02s)
    exec_test.go:1757: context canceled

2023-07-11 00:36 netbsd-386-9_3 go@6a063b01 os/exec.TestConcurrentExec (log)

--- FAIL: TestConcurrentExec (0.02s)
    exec_test.go:1757: context canceled

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "os/exec" && test == "TestConcurrentExec"

2023-07-11 00:36 linux-ppc64le-power10osu go@6a063b01 os/exec.TestConcurrentExec (log)

--- FAIL: TestConcurrentExec (0.02s)
    exec_test.go:1757: context canceled

— watchflakes

[gopherbot]

Change https://go.dev/cl/508755 mentions this issue: os/exec: ignore context.Canceled errors in TestConcurrentExec

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "os/exec" && test == "TestConcurrentExec" && `context canceled`

2023-07-11 13:19 linux-amd64-nocgo go@4c58d6bf os/exec.TestConcurrentExec (log)

--- FAIL: TestConcurrentExec (0.02s)
    exec_test.go:1757: context canceled

— watchflakes