re-adds draft for 345

Signed-off-by: Nell Shamrell <[email protected]>

Author: nellshamrell

draft/2020-06-30-this-week-in-rust.md

@@ -0,0 +1,180 @@
+Title: This Week in Rust 345
+Number: 345
+Date: 2020-06-30
+Category: This Week in Rust
+
+Hello and welcome to another issue of *This Week in Rust*!
+[Rust](http://rust-lang.org) is a systems language pursuing the trifecta: safety, concurrency, and speed.
+This is a weekly summary of its progress and community.
+Want something mentioned? Tweet us at [@ThisWeekInRust](https://twitter.com/ThisWeekInRust) or [send us a pull request](https://github.com/cmr/this-week-in-rust).
+Want to get involved? [We love contributions](https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md).
+
+*This Week in Rust* is openly developed [on GitHub](https://github.com/cmr/this-week-in-rust).
+If you find any errors in this week's issue, [please submit a PR](https://github.com/cmr/this-week-in-rust/pulls).
+
+Check out [this week's *This Week in Rust Podcast*](https://rustacean-station.org/episode/019-twir-344/)
+
+# Updates from Rust Community
+
+## News & Blog Posts
+
+# Crate of the Week
+
+This week's crate is [diskonaut](https://github.com/imsnif/diskonaut), a disk usage explorer.
+
+Thanks to [Aram Drevekenin](https://users.rust-lang.org/t/crate-of-the-week/2704/781) for the suggestion!
+
+[Submit your suggestions and votes for next week][submit_crate]!
+
+[submit_crate]: https://users.rust-lang.org/t/crate-of-the-week/2704
+
+# Call for Participation
+
+Always wanted to contribute to open-source projects but didn't know where to start?
+Every week we highlight some tasks from the Rust community for you to pick and get started!
+
+Some of these tasks may also have mentors available, visit the task page for more information.
+
+If you are a Rust project owner and are looking for contributors, please submit tasks [here][guidelines].
+
+[guidelines]: https://users.rust-lang.org/t/twir-call-for-participation/4821
+
+# Updates from Rust Core
+
+325 pull requests were [merged in the last week][merged]
+
+[merged]: https://github.com/search?q=is%3Apr+org%3Arust-lang+is%3Amerged+merged%3A2020-06-15..2020-06-22
+
+* [add `asm!()` support for hexagon](https://github.com/rust-lang/rust/pull/73214)
+* [enable LLVM zlib](https://github.com/rust-lang/rust/pull/72696)
+* [add methods to go from a nul-terminated `Vec<u8>` to a `CString`](https://github.com/rust-lang/rust/pull/73139)
+* [allow multiple `asm!` options groups and report an error on duplicate options](https://github.com/rust-lang/rust/pull/73227)
+* [diagnose use of incompatible sanitizers](https://github.com/rust-lang/rust/pull/73347)
+* [disallow loading crates with non-ascii identifier name](https://github.com/rust-lang/rust/pull/73305)
+* [export `#[inline]` fns with extern indicators](https://github.com/rust-lang/rust/pull/73034)
+* [fix up autoderef when reborrowing](https://github.com/rust-lang/rust/pull/72280)
+* [further tweak lifetime errors involving `dyn Trait` and `impl Trait` in return position](https://github.com/rust-lang/rust/pull/72804)
+* [implement crate-level-only lints checking.](https://github.com/rust-lang/rust/pull/73300)
+* [implement new gdb/lldb pretty-printers](https://github.com/rust-lang/rust/pull/72357)
+* [improve diagnostics for `let x += 1`](https://github.com/rust-lang/rust/pull/71976)
+* [make `need_type_info_err` more conservative](https://github.com/rust-lang/rust/pull/73027)
+* [make all uses of ty::Error delay a span bug](https://github.com/rust-lang/rust/pull/70551)
+* [make new type param suggestion more targetted](https://github.com/rust-lang/rust/pull/73320)
+* [make novel structural match violations not a `bug`](https://github.com/rust-lang/rust/pull/73446)
+* [only display other method receiver candidates if they actually apply](https://github.com/rust-lang/rust/pull/73382)
+* [prefer accessible paths in 'use' suggestions](https://github.com/rust-lang/rust/pull/72623)
+* [prevent attacker from manipulating FPU tag word used in SGX enclave](https://github.com/rust-lang/rust/pull/73471)
+* [projection bound validation](https://github.com/rust-lang/rust/pull/72788)
+* [report error when casting an C-like enum implementing Drop](https://github.com/rust-lang/rust/pull/72331)
+* [specialization is unsound](https://github.com/rust-lang/rust/pull/71420)
+* [use min_specialization in the remaining rustc crates](https://github.com/rust-lang/rust/pull/72707)
+* [add specialization of `ToString for char`](https://github.com/rust-lang/rust/pull/73465)
+* [suggest `?Sized` when applicable for ADTs](https://github.com/rust-lang/rust/pull/73261)
+* [support sanitizers on aarch64-unknown-linux-gnu](https://github.com/rust-lang/rust/pull/73058)
+* [test that bounds checks are elided when slice len is checked up-front](https://github.com/rust-lang/rust/pull/73362)
+* [try to suggest dereferences on trait selection failed](https://github.com/rust-lang/rust/pull/72456)
+* [use track caller for bug! macro](https://github.com/rust-lang/rust/pull/73373)
+* [forbid mutable references in all constant contexts except for const-fns](https://github.com/rust-lang/rust/pull/72934)
+* [linker: MSVC supports linking static libraries as a whole archive](https://github.com/rust-lang/rust/pull/72785)
+* [linker: never pass `-no-pie` to non-gnu linkers](https://github.com/rust-lang/rust/pull/73384)
+* [lint: normalize projections using opaque types](https://github.com/rust-lang/rust/pull/73287)
+* [add a lint to catch clashing `extern` fn declarations.](https://github.com/rust-lang/rust/pull/70946)
+* [memory access sanity checks: abort instead of panic](https://github.com/rust-lang/rust/pull/73054)
+* [pretty/mir: const value enums with no variants](https://github.com/rust-lang/rust/pull/73442)
+* [store `ObligationCause` on the heap](https://github.com/rust-lang/rust/pull/72962)
+* [chalk: add closures](https://github.com/rust-lang/chalk/pull/519)
+* [chalk: ignore auto traits order](https://github.com/rust-lang/chalk/pull/531)
+* [fix asinh of negative values](https://github.com/rust-lang/rust/pull/72486)
+* [stabilize Option::zip](https://github.com/rust-lang/rust/pull/72938)
+* [stabilize vec::Drain::as_slice](https://github.com/rust-lang/rust/pull/72584)
+* [use `Ipv4Addr::from<[u8; 4]>` when possible](https://github.com/rust-lang/rust/pull/73389)
+* [core/time: Add Duration methods for zero](https://github.com/rust-lang/rust/pull/72790)
+* [deprecate wrapping_offset_from](https://github.com/rust-lang/rust/pull/73580)
+* [impl PartialEq<Vec<B>> for &[A], &mut [A]](https://github.com/rust-lang/rust/pull/71660)
+* [hashbrown: avoid creating small tables with a capacity of 1](https://github.com/rust-lang/hashbrown/pull/162)
+* [stdarch: add AVX 512f gather, scatter and compare intrinsics](https://github.com/rust-lang/stdarch/pull/866)
+* [cargo: adding environment variable CARGO_PKG_LICENSE](https://github.com/rust-lang/cargo/pull/8325)
+* [cargo: cut down on data fetch from git dependencies](https://github.com/rust-lang/cargo/pull/8363)
+* [cargo: fix doctests not running with --target=HOST](https://github.com/rust-lang/cargo/pull/8358)
+* [cargo: fix order-dependent feature resolution.](https://github.com/rust-lang/cargo/pull/8395)
+* [cargo: fix overzealous `clean -p` for reserved names](https://github.com/rust-lang/cargo/pull/8398)
+* [cargo: support linker with -Zdoctest-xcompile.](https://github.com/rust-lang/cargo/pull/8359)
+* [rustfmt: avoid using Symbol::intern](https://github.com/rust-lang/rustfmt/pull/4268)
+* [rustfmt: ensure idempotency on empty match blocks](https://github.com/rust-lang/rustfmt/pull/4271)
+
+
+## Rust Compiler Performance Triage
+
+* [2020-06-23](https://github.com/rust-lang/rustc-perf/blob/master/triage/2020.md#2020-06-23). Lots of improvements this week, and no regressions, which is good. But we regularly see significant performance effects on rollups, which is a concern.
+
+## Approved RFCs
+
+Changes to Rust follow the Rust [RFC (request for comments) process](https://github.com/rust-lang/rfcs#rust-rfcs). These
+are the RFCs that were approved for implementation this week:
+
+*No RFCs were approved this week.*
+
+## Final Comment Period
+
+Every week [the team](https://www.rust-lang.org/team.html) announces the
+'final comment period' for RFCs and key PRs which are reaching a
+decision. Express your opinions now.
+
+### [RFCs](https://github.com/rust-lang/rfcs/labels/final-comment-period)
+
+*No RFCs are currently in the final comment period.*
+
+### [Tracking Issues & PRs](https://github.com/rust-lang/rust/labels/final-comment-period)
+
+* [disposition: merge] [impl `From<char>` for String](https://github.com/rust-lang/rust/pull/73466)
+* [disposition: merge] [stabilize leading_trailing_ones](https://github.com/rust-lang/rust/pull/73032)
+* [disposition: merge] [Add `TryFrom<{int}>` for `NonZero{int}`](https://github.com/rust-lang/rust/pull/72717)
+* [disposition: merge] [Stabilize `#[track_caller]`](https://github.com/rust-lang/rust/pull/72445)
+* [disposition: merge] [add Windows system error codes that should map to `io::ErrorKind::TimedOut`](https://github.com/rust-lang/rust/pull/71756)
+* [disposition: merge] [Tracking issue for RFC 2344, "Allow `loop` in constant evaluation"](https://github.com/rust-lang/rust/issues/52000)
+* [disposition: merge] [Tracking issue for `Option::deref`, `Result::deref`, `Result::deref_ok`, and `Result::deref_err`](https://github.com/rust-lang/rust/issues/50264)
+
+## New RFCs
+
+* [RFC: 'C unwind' ABI](https://github.com/rust-lang/rfcs/pull/2945)
+
+# Upcoming Events
+
+### Online
+* [June 24. Wroclaw, PL - Remote - Rust Wroclaw Meetup #22](https://www.meetup.com/Rust-Wroclaw/events/271319037/)
+* [June 25. Edinburgh, UK - Remote - Pirrigator - Growing Tomatoes Free From Memory Errors and Race Conditions](https://www.meetup.com/rust-edi/events/271129693/)
+* [June 25. Berlin, DE - Remote - Rust Hack and Learn](https://www.meetup.com/opentechschool-berlin/events/txcprrybcjbhc/)
+* [July 1. Johannesburg, ZA - Remote - Monthly Joburg Rust Chat!](https://www.meetup.com/Johannesburg-Rust-Meetup/events/271286846/)
+
+### North America
+* [June 30. Dallas, TX, US - Dallas Rust - Last Tuesday](https://www.meetup.com/Dallas-Rust/events/nppvrrybcjbnc/)
+* [July 1. Indianapolis, IN, US - Indy Rust - Indy.rs](https://www.meetup.com/indyrs/events/dtqwprybckbcb/)
+
+### Asia Pacific
+* [July 6. Auckland, NZ - Rust AKL](https://www.meetup.com/rust-akl/events/266876691/)
+
+If you are running a Rust event please add it to the [calendar] to get
+it mentioned here. Please remember to add a link to the event too.
+Email the [Rust Community Team][community] for access.
+
+[calendar]: https://www.google.com/calendar/embed?src=apd9vmbc22egenmtu5l6c5jbfc%40group.calendar.google.com
+[community]: mailto:[email protected]
+
+# Rust Jobs
+
+
+*Tweet us at [@ThisWeekInRust](https://twitter.com/ThisWeekInRust) to get your job offers listed here!*
+
+# Quote of the Week
+
+> Rust's beauty lies in the countless decisions made by the development community that constantly make you feel like you can have ten cakes and eat all of them too.
+
+– [Jake McGinty et al on the tonari blog](https://blog.tonari.no/why-we-love-rust)
+
+Thanks to [llogiq](https://users.rust-lang.org/t/twir-quote-of-the-week/328/896) for the suggestions!
+
+[Please submit quotes and vote for next week!](https://users.rust-lang.org/t/twir-quote-of-the-week/328)
+
+*This Week in Rust is edited by: [nellshamrell](https://github.com/nellshamrell), [llogiq](https://github.com/llogiq), and [cdmistman](https://github.com/cdmistman).*
+
+<small>[Discuss on r/rust](https://www.reddit.com/r/rust/comments/hepkfq/this_week_in_rust_344/)</small>