cmd/cgo/internal/testcarchive: unrecognized failures

[gopherbot]

#!watchflakes
default <- pkg == "cmd/cgo/internal/testcarchive" && test == ""

Issue created automatically to collect these failures.

Example (log):

panic: test timed out after 12m0s
running tests:
	TestCachedInstall (2m7s)

goroutine 106 gp=0x3f781c01c0 m=2 mp=0x3f78042808 [running]:
panic({0x1602a0?, 0x3f780941a0?})
	/home/gopher/build/go/src/runtime/panic.go:778 +0x144 fp=0x3f7814bf10 sp=0x3f7814be68 pc=0x46fbc
testing.(*M).startAlarm.func1()
	/home/gopher/build/go/src/testing/testing.go:2366 +0x300 fp=0x3f7814bfd8 sp=0x3f7814bf10 pc=0xea2a8
runtime.goexit({})
...
runtime.gopark(0x2a41e9a9325fb?, 0x0?, 0x0?, 0x0?, 0x3f78100020?)
	/home/gopher/build/go/src/runtime/proc.go:402 +0x108 fp=0x3f78134738 sp=0x3f78134720 pc=0x4a618
runtime.gcBgMarkWorker(0x3f7808e780)
	/home/gopher/build/go/src/runtime/mgc.go:1333 +0xf0 fp=0x3f781347c8 sp=0x3f78134738 pc=0x2b398
runtime.gcBgMarkStartWorkers.gowrap1()
	/home/gopher/build/go/src/runtime/mgc.go:1249 +0x2c fp=0x3f781347d8 sp=0x3f781347c8 pc=0x2b284
runtime.goexit({})
	/home/gopher/build/go/src/runtime/asm_riscv64.s:540 +0x4 fp=0x3f781347d8 sp=0x3f781347d8 pc=0x7e824
created by runtime.gcBgMarkStartWorkers in goroutine 102
	/home/gopher/build/go/src/runtime/mgc.go:1249 +0x150

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/cgo/internal/testcarchive" && test == ""

2024-02-26 22:45 linux-riscv64-jsing go@fc0d9a4b cmd/cgo/internal/testcarchive (log)

panic: test timed out after 12m0s
running tests:
	TestCachedInstall (2m7s)

goroutine 106 gp=0x3f781c01c0 m=2 mp=0x3f78042808 [running]:
panic({0x1602a0?, 0x3f780941a0?})
	/home/gopher/build/go/src/runtime/panic.go:778 +0x144 fp=0x3f7814bf10 sp=0x3f7814be68 pc=0x46fbc
testing.(*M).startAlarm.func1()
	/home/gopher/build/go/src/testing/testing.go:2366 +0x300 fp=0x3f7814bfd8 sp=0x3f7814bf10 pc=0xea2a8
runtime.goexit({})
...
runtime.gopark(0x2a41e9a9325fb?, 0x0?, 0x0?, 0x0?, 0x3f78100020?)
	/home/gopher/build/go/src/runtime/proc.go:402 +0x108 fp=0x3f78134738 sp=0x3f78134720 pc=0x4a618
runtime.gcBgMarkWorker(0x3f7808e780)
	/home/gopher/build/go/src/runtime/mgc.go:1333 +0xf0 fp=0x3f781347c8 sp=0x3f78134738 pc=0x2b398
runtime.gcBgMarkStartWorkers.gowrap1()
	/home/gopher/build/go/src/runtime/mgc.go:1249 +0x2c fp=0x3f781347d8 sp=0x3f781347c8 pc=0x2b284
runtime.goexit({})
	/home/gopher/build/go/src/runtime/asm_riscv64.s:540 +0x4 fp=0x3f781347d8 sp=0x3f781347d8 pc=0x7e824
created by runtime.gcBgMarkStartWorkers in goroutine 102
	/home/gopher/build/go/src/runtime/mgc.go:1249 +0x150

— watchflakes

[mknyszek]

CC @golang/riscv64