mk: Add missing colon
auto merge of #16119 : steveklabnik/rust/guide_pointers, r=brson

This is the next section of the guide, and it's on pointers. It's not done yet, as I need to write the section on ownership and borrowing, but I figured I'd share the rest now, to get feedback on the rest of it while I take some time to get that right.
doc: Make sure all doc titles say 'Rust'. #12466
Fix alignment tests for ARM on Linux. #14848
auto merge of #16128 : steveklabnik/rust/speed_faq, r=brson

Fixes #11174.

I'm open to revising this text, but I figured it gets across the basics.
Use cargo new.

Now that this feature exists, we should use it.

Fixes #16078
Add note about Cargo.lock
Add a split_at method to slice::ImmutableVector

This method is similar to the mut_split_at method of slice::MutableVector.
Fix manual regarding attribute placement.

Fixes #15494.
auto merge of #16160 : EduardoBautista/rust/use-bang-at-end-of-hello-world, r=alexcrichton

Further into the guide "Hello, world!" is used instead of "Hello, world".
Rewrite read_u32v_be() and write_u32_be() to make sure that all memory access is properly aligned
auto merge of #16163 : anguslees/rust/strptime-str, r=alexcrichton

Also modernise a few constructs in match_strs().
auto merge of #16164 : anguslees/rust/rfc3999, r=alexcrichton

Fixes #16158
auto merge of #16165 : tinaun/rust/newcss, r=alexcrichton

remove unneeded `pre.rust a' selector

move transform into `.test-arrow`

fixes #16138
auto merge of #16175 : EduardoBautista/rust/fix-guessing-game-appearing-early, r=steveklabnik

Solves: https://github.com/rust-lang/rust/issues/16162
auto merge of #16177 : nham/rust/collections_15294_eq_ord, r=alexcrichton

This implements:

 - Eq and Ord for DList, RingBuf, TreeMap and TreeSet
 - FromIterator and Extendable for BitvSet

cc #15294
Remove unused tuple struct
auto merge of #16181 : brson/rust/colon, r=kballard
Add hide/show detail toggles to rustdoc

All doccomments are now collapsable via a nearby [-] button
Adds [collapse all] and [expand all] buttons to the top of all api pages
Tweaks some layout to accomadate this
Sort .gitignore.

Signed-off-by: OGINO Masanori <masanori.ogino@gmail.com>