Auto merge of #147003 - matthiaskrgr:rollup-b5z9uiz, r=matthiaskrgr

Rollup of 7 pull requests

Successful merges:

 - rust-lang/rust#146556 (Fix duration_since panic on unix when std is built with integer overflow checks)
 - rust-lang/rust#146679 (Clarify Display for error should not include source)
 - rust-lang/rust#146753 (Improve the pretty print of UnstableFeature clause)
 - rust-lang/rust#146894 (Improve derive suggestion of const param)
 - rust-lang/rust#146950 (core: simplify `CStr::default()`)
 - rust-lang/rust#146958 (Fix infinite recursion in Path::eq with String)
 - rust-lang/rust#146971 (fix ICE in writeback due to bound regions)

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

Author: bors