cmd/go: TestScript/cover_pkgall_multiple_mains failures #75214
Description
#!watchflakes
default <- pkg == "cmd/go" && test == "TestScript/cover_pkgall_multiple_mains"
Issue created automatically to collect these failures.
Example (log):
=== RUN TestScript/cover_pkgall_multiple_mains
=== PAUSE TestScript/cover_pkgall_multiple_mains
=== CONT TestScript/cover_pkgall_multiple_mains
script_test.go:139: 2025-09-01T01:50:11Z
script_test.go:141: $WORK=/home/swarming/.swarming/w/ir/x/t/cmd-go-test-3269738996/tmpdir321550138/cover_pkgall_multiple_mains1248613461
script_test.go:163:
PATH=/home/swarming/.swarming/w/ir/x/t/cmd-go-test-3269738996/tmpdir321550138/testbin:/home/swarming/.swarming/w/ir/x/w/goroot/bin:/home/swarming/.swarming/w/ir/x/w/goroot/bin:/home/swarming/.swarming/w/ir/x/w/goroot/bin:/home/swarming/.swarming/w/ir/cache/tools/bin:/home/swarming/.swarming/w/ir/bbagent_utility_packages:/home/swarming/.swarming/w/ir/bbagent_utility_packages/bin:/home/swarming/.swarming/w/ir/cipd_bin_packages:/home/swarming/.swarming/w/ir/cipd_bin_packages/bin:/home/swarming/.swarming/w/ir/cache/cipd_client:/home/swarming/.swarming/w/ir/cache/cipd_client/bin:/home/swarming/.swarming/cipd_cache/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
HOME=/no-home
CCACHE_DISABLE=1
GOARCH=386
...
panic: runtime error: slice bounds out of range [1956:1929]
goroutine 1 gp=0x9804248 m=0 mp=0x84c5580 [running]:
panic({0x82cfb00, 0x98002e0})
/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:877 +0x281 fp=0x990a7d4 sp=0x990a780 pc=0x812fda1
runtime.panicBounds32(0x824301c, 0x990a810)
/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/panic.go:268 +0x1b5 fp=0x990a808 sp=0x990a7d4 pc=0x80c5515
runtime.panicBounds()
/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_386.s:1530 +0x34 fp=0x990a834 sp=0x990a808 pc=0x8139944
internal/coverage/cfile.(*emitState).VisitFuncs(0x9866140, 0x9810300)
...
runtime.runFinalizers()
/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mfinal.go:210 +0x2e0 fp=0x98547f0 sp=0x985478c pc=0x8084b00
runtime.goexit({})
/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/asm_386.s:1386 +0x1 fp=0x98547f4 sp=0x98547f0 pc=0x8139831
created by runtime.createfing in goroutine 1
/home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/mfinal.go:172 +0xe6
FAIL example.com/cov/xtest 0.047s
FAIL
script_test.go:163: FAIL: testdata/script/cover_pkgall_multiple_mains.txt:12: go test -coverpkg=all ./...: exit status 1
--- FAIL: TestScript/cover_pkgall_multiple_mains (14.91s)