Auto merge of #139595 - matthiaskrgr:rollup-kaa8aim, r=matthiaskrgr

Rollup of 10 pull requests

Successful merges:

 - #138470 (Test interaction between RFC 2229 migration and use closures)
 - #138628 (Add more ergonomic clone tests)
 - #139164 (std: improve documentation for get_mut() methods regarding forgotten guards)
 - #139488 (Add missing regression GUI test)
 - #139489 (compiletest: Add directive `dont-require-annotations`)
 - #139513 (Report higher-ranked trait error when higher-ranked projection goal fails in new solver)
 - #139521 (triagebot: roll compiler reviewers for rustc/unstable book)
 - #139532 (Update `u8`-to-and-from-`i8` suggestions.)
 - #139551 (report call site of inlined scopes for large assignment lints)
 - #139575 (Remove redundant words)

r? `@ghost`
`@rustbot` modify labels: rollup

Author: bors

Diff for: src/solve/opaque-types.md

@@ -33,7 +33,7 @@ For opaque types in the defining scope and in the implicit-negative coherence mo
 always done in two steps. Outside of the defining scope `normalizes-to` for opaques always
 returns `Err(NoSolution)`.
 
-We start by trying to to assign the expected type as a hidden type.
+We start by trying to assign the expected type as a hidden type.
 
 In the implicit-negative coherence mode, this currently always results in ambiguity without
 interacting with the opaque types storage. We could instead add allow 'defining' all opaque types,