Update doc links and mentioned names in docs

CONTRIBUTING.md

@@ -36,7 +36,8 @@ High level approach:
 
 ### Finding something to fix/improve
 
-All issues on Clippy are mentored, if you want help with a bug just ask @Manishearth, @llogiq, @mcarton or @oli-obk.
+All issues on Clippy are mentored, if you want help with a bug just ask
+@Manishearth, @flip1995, @phansch or @yaahc.
 
 Some issues are easier than others. The [`good first issue`] label can be used to find the easy issues.
 If you want to work on an issue, please leave a comment so that we can assign it to you!
@@ -70,24 +71,22 @@ an AST expression). `match_def_path()` in Clippy's `utils` module can also be us
 [`T-AST`]: https://github.com/rust-lang/rust-clippy/labels/T-AST
 [`T-middle`]: https://github.com/rust-lang/rust-clippy/labels/T-middle
 [`E-medium`]: https://github.com/rust-lang/rust-clippy/labels/E-medium
-[`ty`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc/ty
+[`ty`]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty
 [nodes in the AST docs]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_ast/ast/
 [deep-nesting]: https://github.com/rust-lang/rust-clippy/blob/557f6848bd5b7183f55c1e1522a326e9e1df6030/clippy_lints/src/mem_forget.rs#L29-L43
 [if_chain]: https://docs.rs/if_chain/*/if_chain
 [nest-less]: https://github.com/rust-lang/rust-clippy/blob/557f6848bd5b7183f55c1e1522a326e9e1df6030/clippy_lints/src/bit_mask.rs#L124-L150
 
 ## Writing code
 
-Have a look at the [docs for writing lints][adding_lints] for more details. [Llogiq's blog post on lints]
-is also a nice primer to lint-writing, though it does get into advanced stuff and may be a bit outdated.
+Have a look at the [docs for writing lints][adding_lints] for more details.
 
 If you want to add a new lint or change existing ones apart from bugfixing, it's
 also a good idea to give the [stability guarantees][rfc_stability] and
 [lint categories][rfc_lint_cats] sections of the [Clippy 1.0 RFC][clippy_rfc] a
 quick read.
 
 [adding_lints]: https://github.com/rust-lang/rust-clippy/blob/master/doc/adding_lints.md
-[Llogiq's blog post on lints]: https://llogiq.github.io/2015/06/04/workflows.html
 [clippy_rfc]: https://github.com/rust-lang/rfcs/blob/master/text/2476-clippy-uno.md
 [rfc_stability]: https://github.com/rust-lang/rfcs/blob/master/text/2476-clippy-uno.md#stability-guarantees
 [rfc_lint_cats]: https://github.com/rust-lang/rfcs/blob/master/text/2476-clippy-uno.md#lint-audit-and-categories

doc/adding_lints.md

@@ -463,11 +463,11 @@ don't hesitate to ask on [Discord] or in the issue/PR.
 [utils]: https://github.com/rust-lang/rust-clippy/blob/master/clippy_lints/src/utils/mod.rs
 [if_chain]: https://docs.rs/if_chain/*/if_chain/
 [from_expansion]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_span/struct.Span.html#method.from_expansion
-[in_external_macro]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc/lint/fn.in_external_macro.html
+[in_external_macro]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/lint/fn.in_external_macro.html
 [span]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_span/struct.Span.html
 [applicability]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_errors/enum.Applicability.html
 [rustc-dev-guide]: https://rustc-dev-guide.rust-lang.org/
-[nightly_docs]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc/
+[nightly_docs]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/
 [ast]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_ast/ast/index.html
-[ty]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc/ty/sty/index.html
+[ty]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc_middle/ty/sty/index.html
 [Discord]: https://discord.gg/rust-lang