cmd/go: TestScript/mod_vendor failures

[gopherbot]

#!watchflakes
default <- pkg == "cmd/go" && test == "TestScript/mod_vendor"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestScript/mod_vendor
=== PAUSE TestScript/mod_vendor
=== CONT  TestScript/mod_vendor
    script_test.go:135: 2024-07-31T16:42:49Z
    script_test.go:137: $WORK=C:\Users\swarming\.swarming\w\ir\x\t\cmd-go-test-1097857000\tmpdir1670215863\mod_vendor61275530
go proxy: no archive example.com/deprecated v1.0.0: file does not exist
    script_test.go:159: 
        PATH=C:\Users\swarming\.swarming\w\ir\x\t\cmd-go-test-1097857000\tmpdir1670215863\testbin;C:\Users\swarming\.swarming\w\ir\x\w\goroot\bin;C:\Users\swarming\.swarming\w\ir\x\w\goroot\bin;C:\Users\swarming\.swarming\w\ir\x\w\goroot\bin;C:\Users\swarming\.swarming\w\ir\cache\tools\bin;C:\Users\swarming\.swarming\w\ir\bbagent_utility_packages;C:\Users\swarming\.swarming\w\ir\bbagent_utility_packages\bin;C:\Users\swarming\.swarming\w\ir\cipd_bin_packages;C:\Users\swarming\.swarming\w\ir\cipd_bin_packages\bin;C:\Users\swarming\.swarming\w\ir\cipd_bin_packages\cpython3;C:\Users\swarming\.swarming\w\ir\cipd_bin_packages\cpython3\bin;C:\Users\swarming\.swarming\w\ir\cache\cipd_client;C:\Users\swarming\.swarming\w\ir\cache\cipd_client\bin;C:\Users\swarming\.swarming\cipd_cache\bin;C:\Python311\Scripts\;C:\Python311\;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Windows\System32\OpenSSH\;C:\ProgramData\chocolatey\bin;C:\Users\swarming\AppData\Local\Microsoft\WindowsApps;C:\Users\swarming\.swarming\w\ir\cache\tools\cc\windows\gcc64\bin
        USERPROFILE=/no-home
        CCACHE_DISABLE=1
...
        > cd ..
        > exists dir1/relative-vendor-dir/modules.txt
        > exists dir1/relative-vendor-dir/a/foo/LICENSE
        > exists dir2/relative-vendor-dir/modules.txt
        > exists dir2/relative-vendor-dir/a/foo/LICENSE
        # 'go mod vendor' should fall back to the default 'vendor' directory when an empty argument is passed to the -o flag
        # the same behavior should be exhibited both on the module root directory, as well as nested subdirectories (0.090s)
        > go mod vendor -v -o ''
    script_test.go:159: FAIL: testdata\script\mod_vendor.txt:108: go mod vendor -v -o : exit status 1
--- FAIL: TestScript/mod_vendor (3.53s)

— watchflakes

[gopherbot]

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/go" && test == "TestScript/mod_vendor"

2024-07-31 15:43 gotip-windows-arm64 go@650abbc0 cmd/go.TestScript/mod_vendor (log)

=== RUN   TestScript/mod_vendor
=== PAUSE TestScript/mod_vendor
=== CONT  TestScript/mod_vendor
    script_test.go:135: 2024-07-31T16:42:49Z
    script_test.go:137: $WORK=C:\Users\swarming\.swarming\w\ir\x\t\cmd-go-test-1097857000\tmpdir1670215863\mod_vendor61275530
go proxy: no archive example.com/deprecated v1.0.0: file does not exist
    script_test.go:159: 
        PATH=C:\Users\swarming\.swarming\w\ir\x\t\cmd-go-test-1097857000\tmpdir1670215863\testbin;C:\Users\swarming\.swarming\w\ir\x\w\goroot\bin;C:\Users\swarming\.swarming\w\ir\x\w\goroot\bin;C:\Users\swarming\.swarming\w\ir\x\w\goroot\bin;C:\Users\swarming\.swarming\w\ir\cache\tools\bin;C:\Users\swarming\.swarming\w\ir\bbagent_utility_packages;C:\Users\swarming\.swarming\w\ir\bbagent_utility_packages\bin;C:\Users\swarming\.swarming\w\ir\cipd_bin_packages;C:\Users\swarming\.swarming\w\ir\cipd_bin_packages\bin;C:\Users\swarming\.swarming\w\ir\cipd_bin_packages\cpython3;C:\Users\swarming\.swarming\w\ir\cipd_bin_packages\cpython3\bin;C:\Users\swarming\.swarming\w\ir\cache\cipd_client;C:\Users\swarming\.swarming\w\ir\cache\cipd_client\bin;C:\Users\swarming\.swarming\cipd_cache\bin;C:\Python311\Scripts\;C:\Python311\;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Windows\System32\OpenSSH\;C:\ProgramData\chocolatey\bin;C:\Users\swarming\AppData\Local\Microsoft\WindowsApps;C:\Users\swarming\.swarming\w\ir\cache\tools\cc\windows\gcc64\bin
        USERPROFILE=/no-home
        CCACHE_DISABLE=1
...
        > cd ..
        > exists dir1/relative-vendor-dir/modules.txt
        > exists dir1/relative-vendor-dir/a/foo/LICENSE
        > exists dir2/relative-vendor-dir/modules.txt
        > exists dir2/relative-vendor-dir/a/foo/LICENSE
        # 'go mod vendor' should fall back to the default 'vendor' directory when an empty argument is passed to the -o flag
        # the same behavior should be exhibited both on the module root directory, as well as nested subdirectories (0.090s)
        > go mod vendor -v -o ''
    script_test.go:159: FAIL: testdata\script\mod_vendor.txt:108: go mod vendor -v -o : exit status 1
--- FAIL: TestScript/mod_vendor (3.53s)

— watchflakes