. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 367 16.4. 使用 Sync 与 Send Traits 的可扩展并发 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 948b65e88960b4) running 2 tests test tests::another ... FAILED test tests::exploration ... ok failures: ---- tests::another stdout ---- thread 'tests::another' panicked at src/lib.rs:17:9: Make this this test fail note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace failures: tests::another test result: FAILED. 1 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out;