Make `x test tidy` less noisy

Before:
```
Building tool tidy (stage0)
    Finished release [optimized + debuginfo] target(s) in 0.29s
fmt check
skip untracked path chrome_profiler.json during rustfmt invocations
skip untracked path query_impl-default,args.mm_profdata during rustfmt invocations
skip untracked path query_impl-llvm.txt during rustfmt invocations
skip untracked path query_impl-mono_items.txt during rustfmt invocations
skip untracked path query_impl-summarize.txt during rustfmt invocations
skip untracked path rustc.svg during rustfmt invocations
skip untracked path rustc_middle.mono_items.json during rustfmt invocations
skip untracked path rustc_middle.mono_items.md during rustfmt invocations
skip untracked path rustc_query_impl.mono_items-thread_local_attr.json during rustfmt invocations
skip untracked path rustc_query_impl.mono_items-thread_local_macro.json during rustfmt invocations
skip untracked path rustc_query_impl.mono_items.md during rustfmt invocations
tidy check
Found 505 error codes
Highest error code: `E0793`
* 397 features
Ensuring the YAML anchors in the GitHub Actions config were expanded
Building tool expand-yaml-anchors (stage0)
    Finished release [optimized + debuginfo] target(s) in 0.14s
Build completed successfully in 0:00:54
```

After:
```
Building tool tidy (stage0)
    Finished release [optimized + debuginfo] target(s) in 2.24s
fmt check
tidy check
Ensuring the YAML anchors in the GitHub Actions config were expanded
Building tool expand-yaml-anchors (stage0)
    Finished release [optimized + debuginfo] target(s) in 0.14s
Build completed successfully in 0:00:04
```

0 files changed, 0 insertions, 0 deletions