Rollup of 18 pull requests

[Dylan-DPC-zz]

Successful merges:

• Add Atomic*::from_mut. #74532 (Add Atomic*::from_mut.)
• Try to improve the documentation of filter() and filter_map(). #75949 (Try to improve the documentation of filter() and filter_map().)
• Update tracking issue for const_caller_location #76157 (Update tracking issue for const_caller_location)
• Add missing link in README #76229 (Add missing link in README)
• Move some Vec UI tests into alloc unit tests #76273 (Move some Vec UI tests into alloc unit tests)
• Allow try blocks as the argument to return expressions #76274 (Allow try blocks as the argument to return expressions)
• Remove an unnecessary allowed lint #76287 (Remove an unnecessary allowed lint)
• Implementation of incompatible features error #76293 (Implementation of incompatible features error)
• Make Ipv4Addr and Ipv6Addr const tests unit tests under library #76299 (Make Ipv4Addr and Ipv6Addr const tests unit tests under library)
• Address review comments on Peekable::next_if #76302 (Address review comments on Peekable::next_if)
• Link to #capacity-and-reallocation when using with_capacity #76303 (Link to #capacity-and-reallocation when using with_capacity)
• Move various ui const tests to library #76305 (Move various ui const tests to library)
• Indent a note to make folding work nicer #76309 (Indent a note to make folding work nicer)
• time.rs: Make spelling of "Darwin" consistent #76312 (time.rs: Make spelling of "Darwin" consistent)
• Use ops::ControlFlow in rustc_data_structures::graph::iterate #76318 (Use ops::ControlFlow in rustc_data_structures::graph::iterate)
• Move Vec slice UI tests in library #76324 (Move Vec slice UI tests in library)
• add some intra-doc links to Iterator #76338 (add some intra-doc links to Iterator)
• debuginfo: Ignore HashMap .natvis tests before cdb 10.0.18362.1 #76390 (debuginfo: Ignore HashMap .natvis tests before cdb 10.0.18362.1)

Failed merges:

• Make delegation methods of std::net::IpAddr unstably const #76304 (Make delegation methods of std::net::IpAddr unstably const)

r? @ghost