Replacing log with tracing

[gdhuper]

Description

Replaced log with tracing in the following crates:

• librustc_ast
• librustc_driver
• librustc_errors
• librustc_expand
• librustc_hir
• librustc_incremental
• librustc_infer
• librustc_interface
• librustc_lint
• librustc_metadata
• librustc_middle
• librustc_mir
• librustc_mir_build
• librustc_parse
• librustc_passes
• librustc_privacy
• librustc_query_system
• librustc_resolve
• librustc_save_analysis
• librustc_session
• librustc_span
• librustc_symbol_mangling
• librustc_target
• librustc_trait_selection
• librustc_traits
• librustc_ty
• librustc_typeck
• compiletest

Fixes: #74747

Checklist:

• Code compiles / builds
• run tidy
• Cleanup any clippy warnings
• Update/add docs

[rust-highfive]

Thanks for the pull request, and welcome! The Rust team is excited to review your changes, and you should hear from @eddyb (or someone else) soon.

If any changes to this PR are deemed necessary, please add them as extra commits. This ensures that the reviewer can see what has changed since they last reviewed the code. Due to the way GitHub handles out-of-date commits, this should also make it reasonably obvious what issues have or haven't been addressed. Large or tricky changes may require several passes of review and changes.

Please see the contribution instructions for more information.

[bors]

☔ The latest upstream changes (presumably #75276) made this pull request unmergeable. Please resolve the merge conflicts.

[gdhuper]

Can someone help me with why the build is failing? I ran tiddy locally before pushing but it's still failing tiddy check. Appreciate any help.

EDIT: Found the issue. It was the conflict in formatting (rustfmt vs tidy).

[bors]

☔ The latest upstream changes (presumably #75426) made this pull request unmergeable. Please resolve the merge conflicts.