Rollup of 10 pull requests
Successful merges:
- #103117 (Use `IsTerminal` in place of `atty`)
- #103969 (Partial support for running UI tests with `download-rustc`)
- #103989 (Fix build of std for thumbv7a-pc-windows-msvc)
- #104076 (fix sysroot issue which appears for ci downloaded rustc)
- #104469 (Make "long type" printing type aware and trim types in E0275)
- #104497 (detect () to avoid redundant <> suggestion for type)
- #104577 (Don't focus on notable trait parent when hiding it)
- #104587 (Update cargo)
- #104593 (Improve spans for RPITIT object-safety errors)
- #104604 (Migrate top buttons style to CSS variables)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
2a434286a9