Potential sanitizer issue in filesystem_store_test

[aaronmondal]

This occurred during an unrelated CI run (https://github.com/TraceMachina/nativelink/actions/runs/9831704252/job/27139463553?pr=1100):

FAIL: //nativelink-store:integration_tests/filesystem_store_test (see /home/runner/.bazel/execroot/_main/bazel-out/k8-fastbuild/testlogs/nativelink-store/integration_tests/filesystem_store_test/test.log)
[1,545 / 1,570] 25 / 47 tests, 1 failed; Testing //nativelink-store:integration_tests/shard_store_test; 6s linux-sandbox ... (4 actions running)
INFO: From Testing //nativelink-store:integration_tests/filesystem_store_test:
==================== Test output for //nativelink-store:integration_tests/filesystem_store_test:

running 19 tests
test eviction_drops_file_test ... ok
test digest_contents_replaced_continues_using_old_data ... ok
  2024-07-08T00:59:12.972929Z ERROR nativelink_store::filesystem_store: Failed to touch file, err: Error { code: NotFound, messages: ["No such file or directory (os error 2)", "Failed to touch file in filesystem store \"/tmp/bazel-working-directory/_main/_tmp/4570b71ef2441e1548bbbb5c539c5a14/8686312440345158165/content_path/0123456789abcdef000000000000000000010000000000000123456789abcdef-10\""] }
    at nativelink-store/src/filesystem_store.rs:339

  2024-07-08T00:59:12.973502Z  WARN nativelink_store::filesystem_store: Failed to rename file, digest: DigestInfo { size_bytes: 10, hash: "0123456789abcdef000000000000000000010000000000000123456789abcdef" }, from_path: "/tmp/bazel-working-directory/_main/_tmp/4570b71ef2441e1548bbbb5c539c5a14/8686312440345158165/content_path/0123456789abcdef000000000000000000010000000000000123456789abcdef-10", to_path: "/tmp/bazel-working-directory/_main/_tmp/4570b71ef2441e1548bbbb5c539c5a14/1726301081[529](https://github.com/TraceMachina/nativelink/actions/runs/9831704252/job/27139463553?pr=1100#step:4:530)326313/temp_path/0123456789abcdef000000000000000000010000000000000500000000000000-10", err: Error { code: NotFound, messages: ["No such file or directory (os error 2)"] }
    at nativelink-store/src/filesystem_store.rs:366

test deleted_file_removed_from_store ... ok
test atime_updates_on_get_part_test ... ok
test eviction_on_insert_calls_unref_once ... ok
test file_continues_to_stream_on_content_replace_test ... ok
test file_gets_cleans_up_on_cache_eviction ... FAILED
test get_part_timeout_test ... ok
test get_file_size_uses_block_size ... ok
test get_part_is_zero_digest ... ok
test has_with_results_on_zero_digests ... ok
  2024-07-08T00:59:15.319226Z  WARN nativelink_store::filesystem_store: Failed to delete file, path: "/tmp/bazel-working-directory/_main/_tmp/4570b71ef2441e1548bbbb5c539c5a14/1683231632[537](https://github.com/TraceMachina/nativelink/actions/runs/9831704252/job/27139463553?pr=1100#step:4:538)1328731/temp_path/0123456789abcdef000000000000000000020000000000001500000000000000-10", err: Error { code: NotFound, messages: ["No such file or directory (os error 2)"] }
    at nativelink-store/src/filesystem_store.rs:511

test oldest_entry_evicted_with_access_times_loaded_from_disk ... ok
  2024-07-08T00:59:15.352572Z ERROR nativelink_store::filesystem_store: Failed to rename file, err: Error { code: NotFound, messages: ["No such file or directory (os error 2)", "Failed to rename temp file to final path \"/tmp/bazel-working-directory/_main/_tmp/4570b71ef2441e1548bbbb5c539c5a14/11890447677042904716/content_path/0123456789abcdef000000000000000000010000000000000123456789abcdef-10\""] }, from_path: "/tmp/bazel-working-directory/_main/_tmp/4570b71ef2441e1548bbbb5c[539](https://github.com/TraceMachina/nativelink/actions/runs/9831704252/job/27139463553?pr=1100#step:4:540)c5a14/7757332695299337649/temp_path/0123456789abcdef000000000000000000010000000000001600000000000000-10", final_path: "/tmp/bazel-working-directory/_main/_tmp/4570b71ef2441e1548bbbb5c539c5a14/11890447677042904716/content_path/0123456789abcdef000000000000000000010000000000000123456789abcdef-10"
    at nativelink-store/src/filesystem_store.rs:694
    in nativelink_store::filesystem_store::filesystem_store_emplace_file

test rename_on_insert_fails_due_to_filesystem_error_proper_cleanup_happens ... ok
test temp_files_get_deleted_on_replace_test ... ok
test update_file_future_drops_before_rename ... ok
test update_with_whole_file_closes_file ... ok
test update_with_whole_file_slow_path_when_low_file_descriptors ... ok
test update_with_whole_file_uses_same_inode ... ok
test valid_results_after_shutdown_test ... ok

failures:

---- file_gets_cleans_up_on_cache_eviction stdout ----
Error: Error { code: Internal, messages: ["Sender dropped before sending EOF", "During first read of buf_channel::take()", "Error reading remaining bytes"] }


failures:
    file_gets_cleans_up_on_cache_eviction

test result: FAILED. 18 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.85s