Auto merge of #68174 - JohnTitor:rollup-ix4amrj, r=JohnTitor

Rollup of 8 pull requests

Successful merges:

 - #67313 (Document more use cases of dataflow)
 - #67959 (rustdoc: improve stability mark arrows)
 - #68097 (Specify units for test timeout environment variables)
 - #68135 (restore some rustc_parse visibilities for rustfmt)
 - #68145 (Expose `context::CheckLintNameResult`)
 - #68156 (Fix crate paths in comments)
 - #68157 (Clean up E0186 explanation)
 - #68161 (Fix system call docs for time::Instant)

Failed merges:

r? @ghost