TWIR 119's CotW + PRs

[llogiq]

This week's crate of the week is Diesel, a rustic typesafe extensible object-relational mapper and query builder. Just go to their site; the examples speak for themselves.
Thanks to LilianMoraru and DroidLogician for the suggestion.

Also here are a few selected interesting PRs from last week:

rust-lang/rust#31791 LLVM update
rust-lang/libc#194 sys::libc now has preliminary DragonFly support
rust-lang/rust#31785 libc moved from nursery to rust-lang
rust-lang/rust#31761 new: read_volatile, write_volatile
rust-lang/rust#31757 match_of_unit_variant_via_paren_dotdot will be deny by default in 1.8
rust-lang/libc#192 some Android fix
rust-lang/libc#192 placement-in for LinkedList
rust-lang/rust#31668 some 64-bit LFS functions are now used where available
rust-lang/rust#31656 unpretty-printing MIR
rust-lang/rust#31534 [breaking] some non-inline modules now need path annotations
rust-lang/rust#31474 A MIR typecheck pass
rust-lang/cargo#2328 Cargo gained cfg-based target-specific depenndencies
rust-lang/rust#31792 Enable building freestanding sysroot with cargo

[nasa42]

Thanks @llogiq! rust-lang/libc#192 is repeated, I think you meant rust-lang/rust#31696 :-)