Rollup of 6 pull requests

[matthiaskrgr]

Successful merges:

• Better suggestions when user tries to collect into an unsized [_] #91443 (Better suggestions when user tries to collect into an unsized [_])
• #[used(linker)] attribute #91504 (#[used(linker)] attribute)
• debuginfo: Fix DW_AT_containing_type vtable debuginfo regression #93503 (debuginfo: Fix DW_AT_containing_type vtable debuginfo regression)
• Complete removal of #[main] attribute from compiler #93753 (Complete removal of #[main] attribute from compiler)
• Fix typo in std::fmt docs #93799 (Fix typo in std::fmt docs)
• Make a few cleanup MIR passes public #93813 (Make a few cleanup MIR passes public)

Failed merges:

r? @ghost
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