cmd/go: TestScript/cover_modes failures #74919
Description
#!watchflakes
default <- pkg == "cmd/go" && test == "TestScript/cover_modes"
Issue created automatically to collect these failures.
Example (log):
=== RUN TestScript/cover_modes
=== PAUSE TestScript/cover_modes
=== CONT TestScript/cover_modes
script_test.go:139: 2025-08-07T07:22:18Z
script_test.go:141: $WORK=/Users/swarming/.swarming/w/ir/x/t/cmd-go-test-3012688028/tmpdir51431516/cover_modes302496316
script_test.go:163:
PATH=/Users/swarming/.swarming/w/ir/x/t/cmd-go-test-3012688028/tmpdir51431516/testbin:/Users/swarming/.swarming/w/ir/x/w/goroot/bin:/Users/swarming/.swarming/w/ir/x/w/goroot/bin:/Users/swarming/.swarming/w/ir/x/w/goroot/bin:/Users/swarming/.swarming/w/ir/cache/tools/bin:/Users/swarming/.swarming/w/ir/bbagent_utility_packages:/Users/swarming/.swarming/w/ir/bbagent_utility_packages/bin:/Users/swarming/.swarming/w/ir/cipd_bin_packages:/Users/swarming/.swarming/w/ir/cipd_bin_packages/bin:/Users/swarming/.swarming/w/ir/cache/cipd_client:/Users/swarming/.swarming/w/ir/cache/cipd_client/bin:/Users/swarming/.swarming/cipd_cache/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin
HOME=/no-home
CCACHE_DISABLE=1
GOARCH=amd64
...
FAIL encoding/binary [build failed]
FAIL errors [build failed]
FAIL
[stderr]
# encoding/binary.test
/Users/swarming/.swarming/w/ir/x/w/goroot/pkg/tool/darwin_amd64/link: /Users/swarming/.swarming/w/ir/x/w/gocache/42/42aaef0cf49d700e841a9bdb353f3d666f5c3dd551f53a353cd656f34e6ead05-d: malformed archive
# errors.test
/Users/swarming/.swarming/w/ir/x/w/goroot/pkg/tool/darwin_amd64/link: /Users/swarming/.swarming/w/ir/x/w/gocache/42/42aaef0cf49d700e841a9bdb353f3d666f5c3dd551f53a353cd656f34e6ead05-d: malformed archive
script_test.go:163: FAIL: testdata/script/cover_modes.txt:19: go test -short -race -cover encoding/binary errors -coverprofile=/Users/swarming/.swarming/w/ir/x/t/cmd-go-test-3012688028/tmpdir51431516/cover_modes302496316/cover.out: exit status 1
--- FAIL: TestScript/cover_modes (79.42s)