Auto merge of #64456 - Centril:rollup-ytqdwaq, r=Centril

Rollup of 17 pull requests

Successful merges:

 - #63846 (Added table containing the system calls used by Instant and SystemTime.)
 - #64116 (Fix minor typo in docs.)
 - #64203 (A few cosmetic improvements to code & comments in liballoc and libcore)
 - #64302 (Shrink `ObligationCauseCode`)
 - #64372 (use randSecure and randABytes)
 - #64374 (Box `DiagnosticBuilder`.)
 - #64375 (Fast path for vec.clear/truncate )
 - #64378 (Fix inconsistent link formatting.)
 - #64384 (Trim rustc-workspace-hack)
 - #64393 ( declare EnvKey before use to fix build error)
 - #64420 (Inline `mark_neighbours_as_waiting_from`.)
 - #64422 (Remove raw string literal quotes from error index descriptions)
 - #64423 (Add self to .mailmap)
 - #64425 (typo fix)
 - #64431 (fn ptr is structural match)
 - #64435 (codegen: use "_N" (like for other locals) instead of "argN", for argument names.)
 - #64439 (fix #64430, confusing `owned_box` error message in no_std build)

Failed merges:

r? @ghost