unexpected failure of obc_tests

https://github.com/envoyproxy/envoy-mobile/runs/5744148680?check_suite_focus=true

INFO: Repository bazel_gazelle_go_repository_tools instantiated at:
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/Users/runner/work/envoy-mobile/envoy-mobile/WORKSPACE:40:25: in
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/private/var/tmp/_bazel_runner/b225883c33850f3f191a570e7b70ec29/external/envoy/bazel/dependency_imports.bzl:21:25: in envoy_dependency_imports
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/private/var/tmp/_bazel_runner/b225883c33850f3f191a570e7b70ec29/external/bazel_gazelle/deps.bzl:75:24: in gazelle_dependencies
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Repository rule go_repository_tools defined at:
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/private/var/tmp/_bazel_runner/b225883c33850f3f191a570e7b70ec29/external/bazel_gazelle/internal/go_repository_tools.bzl:117:38: in
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ERROR: An error occurred during the fetch of repository 'bazel_gazelle_go_repository_tools':
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Traceback (most recent call last):
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File "/private/var/tmp/_bazel_runner/b225883c33850f3f191a570e7b70ec29/external/bazel_gazelle/internal/go_repository_tools.bzl", line 103, column 13, in _go_repository_tools_impl
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fail("failed to build tools: " + result.stderr)
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Error in fail: failed to build tools: Timed out
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ERROR: /Users/runner/work/envoy-mobile/envoy-mobile/WORKSPACE:40:25: fetching go_repository_tools rule //external:bazel_gazelle_go_repository_tools: Traceback (most recent call last):
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File "/private/var/tmp/_bazel_runner/b225883c33850f3f191a570e7b70ec29/external/bazel_gazelle/internal/go_repository_tools.bzl", line 103, column 13, in _go_repository_tools_impl
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fail("failed to build tools: " + result.stderr)
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Error in fail: failed to build tools: Timed out
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ERROR: /private/var/tmp/_bazel_runner/b225883c33850f3f191a570e7b70ec29/external/com_envoyproxy_protoc_gen_validate/BUILD:18:11: no such package '@com_github_lyft_protoc_gen_star//': no such package '@bazel_gazelle_go_repository_config//': no such package '@bazel_gazelle_go_repository_tools//': failed to build tools: Timed out and referenced by '@com_envoyproxy_protoc_gen_validate//:protoc-gen-validate_lib'
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ERROR: Analysis of target '//test/objective-c:envoy_bridge_utility_test' failed; build aborted:
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INFO: Elapsed time: 1055.588s
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INFO: 0 processes.
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FAILED: Build did NOT complete successfully (161 packages loaded, 10678 targets configured)
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ERROR: Couldn't start the build. Unable to run tests
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FAILED: Build did NOT complete successfully (161 packages loaded, 10678 targets configured)
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INFO: Streaming build results to: https://envoy.cluster.engflow.com/invocation/8d667ce4-63f4-4b7d-a38f-4c7ac804e147
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FAILED: Build did NOT complete successfully (161 packages loaded, 10678 targets configured)
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Error: Process completed with exit code 1.