Switch to Rust 2021 (paritytech#10170)

* Switch to Rust 2021

* Update trybuild to fix errors

Fuzzer for Pallet Bags List (paritytech#9851)

* Fuzzer for Pallet Bags List

* Some small updates

* Fuzzer for Pallet Bags List

This PR adds a fuzzer for the `SortedListProvider` API exposed by pallet-bags-list.

* Feature gate code NOT used by fuzz feature

* Create Enum for list actions

* fix some small mistakes

* try and make CI happy

* fmt

* Do not insert before updating

* clean up some misc. comments

* marginally improve Node::sanity_check

* Change ID_RANGE to 25_000

* comma

* try improve correct feature gating so no unused code

Co-authored-by: thiolliere <gui.thiolliere@gmail.com>

Simple Trait to Inspect Metadata (paritytech#9893)

* simple trait to inspect metadata

* import vec

Use coherent prost crate versions (paritytech#9676)

doc: subkey documentation (paritytech#9639)

* doc: convert the adoc to md
* add ref to UncheckedExtrinsic
* Add references to the SS58 format
* Add details about the inspect command
* removing command that is no longer available
* reorder display so ss58 representations show up next to each other
* remove deprecated section
* Add doc about the password option
* fix fmt
* minor fixes

fix paritytech#6613

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>
Co-authored-by: Squirrel <gilescope@gmail.com>
Co-authored-by: David <dvdplm@gmail.com>

Move client consensus parts out of primitives and into client/consens…

…us/api (paritytech#9319)

* moved client code out of primitives

* bump ci

* Fixup from merge.

* Removed unused deps thanks to review feedback

* Removing unneeded deps

* updating lock file

* note about rustfmt

* fixed typo to bump ci

* Move lonely CacheKeyId to parent

* cargo fmt

* updating import style

* Update docs/STYLE_GUIDE.md

Co-authored-by: André Silva <123550+andresilva@users.noreply.github.com>

Co-authored-by: André Silva <123550+andresilva@users.noreply.github.com>

Make a few things for staking miner (paritytech#9241)

Bump getrandom from 0.2.2 to 0.2.3 (paritytech#8952)

Bumps [getrandom](https://github.com/rust-random/getrandom) from 0.2.2 to 0.2.3.
- [Release notes](https://github.com/rust-random/getrandom/releases)
- [Changelog](https://github.com/rust-random/getrandom/blob/master/CHANGELOG.md)
- [Commits](rust-random/getrandom@v0.2.2...v0.2.3)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

subkey: display SS58 encoding of public key (paritytech#8674)

* Add SS58 public key encoding.

* [Companion] Update Cargo.toml subkey version, readme to reflect new output (paritytech#8694)

* Update Cargo.toml

* update cargo, readme for subkey

Co-authored-by: Dan Shields <danwshields@gmail.com>

Co-authored-by: Dan Shields <35669742+NukeManDan@users.noreply.github.com>
Co-authored-by: Dan Shields <danwshields@gmail.com>