Changelog #172

#14232, #14316 MIR episode 2, add need-mut and experimental unused-mut diagnostics:

#14313 add fancy buttons to the VS Code status message:

#14266 make replace_or_with_or_else assists more generally applicable.

#14328 allow passing extra cargo args when running build scripts.

#14323 (first contribution) fix source root de-duplication.

#14267 mark unresolved field, unresolved method and expected function diagnostics as experimental.

#14297 add libcore dependency to proc macros.

#14282 load proc macros for rustc_private crates.

#14260 tighten replace_match_with_if_let applicability range.

#14271 don’t trigger unresolved method/field diagnostics on types containing errors.

#14284 highlight unresolved derives as such.

#14248 show diagnostic for } followed by else in let-else statement.

#14283 don’t send error notifications for workspace failures if server status is supported.

#14286 fix block defmap not looking into tail expressions for macro calls.

#14291 fix handling of multiple definition bindings in convert_match_to_let_else.

#14299 fix searching inside bodies of attributed items.

#14300 watch both stdout and stderr in flycheck.

#14306 fix block with no termination in or-patterns.

#14261 reuse the resolver in InferenceContext instead of rebuilding it when needed.

#14302 add missing queries to per_query_memory_usage.

#14311 don’t attempt to compute diagnostics in library crates.

#14326 rename match_expr field of hir::diagnostics::MissingMatchArms.