Avoid writing D8 info and error messages directly to the Bazel console

This pull request provides a custom `DiagnosticsHandler` implementation that redirects info and warning messages to the original `System#err` stream so that the noisy D8 messages are written to the worker log file instead of directly to the console.

In addition this PR also removes the custom system stream redirection, and instead uses the baked in `WorkerIO` implementation that automatically wraps the system stream for us that was added here https://github.com/bazelbuild/bazel/pull/14201.

https://github.com/bazelbuild/bazel/issues/17647

Closes #17648.

PiperOrigin-RevId: 560600558
Change-Id: I9d2d162b62fe5dfd00e8614ba73caf1cac5f02d7
2 files changed
tree: fced398514553253f0c43efebbc5db15619c9bd4
  1. .bazelci/
  2. .github/
  3. examples/
  4. scripts/
  5. site/
  6. src/
  7. third_party/
  8. tools/
  9. .bazelrc
  10. .bazelversion
  11. .gitattributes
  12. .gitignore
  13. AUTHORS
  14. BUILD
  15. CHANGELOG.md
  16. CODE_OF_CONDUCT.md
  17. CODEOWNERS
  18. combine_distfiles.py
  19. combine_distfiles_to_tar.sh
  20. compile.sh
  21. CONTRIBUTING.md
  22. CONTRIBUTORS
  23. distdir.bzl
  24. distdir_deps.bzl
  25. extensions.bzl
  26. LICENSE
  27. maven_install.json
  28. MODULE.bazel
  29. rbe_extension.bzl
  30. README.md
  31. repositories.bzl
  32. requirements.txt
  33. SECURITY.md
  34. WORKSPACE
  35. WORKSPACE.bzlmod
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