diff --git a/.github/ISSUE_TEMPLATE/tracking_issue.md b/.github/ISSUE_TEMPLATE/tracking_issue.md
index f93591204cd98..9457cce11afbe 100644
--- a/.github/ISSUE_TEMPLATE/tracking_issue.md
+++ b/.github/ISSUE_TEMPLATE/tracking_issue.md
@@ -36,11 +36,11 @@ for larger features an implementation could be broken up into multiple PRs.
 
 - [ ] Implement the RFC (cc @rust-lang/XXX -- can anyone write up mentoring
       instructions?)
-- [ ] Adjust documentation ([see instructions on rustc-guide][doc-guide])
-- [ ] Stabilization PR ([see instructions on rustc-guide][stabilization-guide])
+- [ ] Adjust documentation ([see instructions on rustc-dev-guide][doc-guide])
+- [ ] Stabilization PR ([see instructions on rustc-dev-guide][stabilization-guide])
 
-[stabilization-guide]: https://rust-lang.github.io/rustc-guide/stabilization_guide.html#stabilization-pr
-[doc-guide]: https://rust-lang.github.io/rustc-guide/stabilization_guide.html#documentation-prs
+[stabilization-guide]: https://rustc-dev-guide.rust-lang.org/stabilization_guide.html#stabilization-pr
+[doc-guide]: https://rustc-dev-guide.rust-lang.org/stabilization_guide.html#documentation-prs
 
 ### Unresolved Questions
 <!--
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index a58d4f2a7c6a4..2843944b2e181 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -19,7 +19,7 @@ hop on the [Rust Discord server][rust-discord] or [Rust Zulip server][rust-zulip
 
 As a reminder, all contributors are expected to follow our [Code of Conduct][coc].
 
-The [rustc-guide] is your friend! It describes how the compiler works and how
+The [rustc-dev-guide] is your friend! It describes how the compiler works and how
 to contribute to it in more detail than this document.
 
 If this is your first time contributing, the [walkthrough] chapter of the guide
@@ -29,8 +29,8 @@ can give you a good example of how a typical contribution would go.
 [rust-discord]: http://discord.gg/rust-lang
 [rust-zulip]: https://rust-lang.zulipchat.com
 [coc]: https://www.rust-lang.org/conduct.html
-[rustc-guide]: https://rust-lang.github.io/rustc-guide/
-[walkthrough]: https://rust-lang.github.io/rustc-guide/walkthrough.html
+[rustc-dev-guide]: https://rustc-dev-guide.rust-lang.org/
+[walkthrough]: https://rustc-dev-guide.rust-lang.org/walkthrough.html
 
 ## Feature Requests
 [feature-requests]: #feature-requests
@@ -103,12 +103,12 @@ $ RUST_BACKTRACE=1 rustc ...
 ## The Build System
 
 For info on how to configure and build the compiler, please see [this
-chapter][rustcguidebuild] of the rustc-guide. This chapter contains info for
+chapter][rustcguidebuild] of the rustc-dev-guide. This chapter contains info for
 contributions to the compiler and the standard library. It also lists some
 really useful commands to the build system (`./x.py`), which could save you a
 lot of time.
 
-[rustcguidebuild]: https://rust-lang.github.io/rustc-guide/building/how-to-build-and-run.html
+[rustcguidebuild]: https://rustc-dev-guide.rust-lang.org/building/how-to-build-and-run.html
 
 ## Pull Requests
 [pull-requests]: #pull-requests
@@ -336,9 +336,9 @@ to check small fixes. For example, `rustdoc src/doc/reference.md` will render
 reference to `doc/reference.html`. The CSS might be messed up, but you can
 verify that the HTML is right.
 
-Additionally, contributions to the [rustc-guide] are always welcome. Contributions
+Additionally, contributions to the [rustc-dev-guide] are always welcome. Contributions
 can be made directly at [the
-rust-lang/rustc-guide](https://github.com/rust-lang/rustc-guide) repo. The issue
+rust-lang/rustc-dev-guide](https://github.com/rust-lang/rustc-dev-guide) repo. The issue
 tracker in that repo is also a great way to find things that need doing. There
 are issues for beginners and advanced compiler devs alike!
 
@@ -434,7 +434,7 @@ For people new to Rust, and just starting to contribute, or even for
 more seasoned developers, some useful places to look for information
 are:
 
-* The [rustc guide] contains information about how various parts of the compiler work and how to contribute to the compiler
+* The [rustc dev guide] contains information about how various parts of the compiler work and how to contribute to the compiler
 * [Rust Forge][rustforge] contains additional documentation, including write-ups of how to achieve common tasks
 * The [Rust Internals forum][rif], a place to ask questions and
   discuss Rust's internals
@@ -448,7 +448,7 @@ are:
 * **Google!** ([search only in Rust Documentation][gsearchdocs] to find types, traits, etc. quickly)
 * Don't be afraid to ask! The Rust community is friendly and helpful.
 
-[rustc guide]: https://rust-lang.github.io/rustc-guide/about-this-guide.html
+[rustc dev guide]: https://rustc-dev-guide.rust-lang.org/about-this-guide.html
 [gdfrustc]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc/
 [gsearchdocs]: https://www.google.com/search?q=site:doc.rust-lang.org+your+query+here
 [rif]: http://internals.rust-lang.org
@@ -456,5 +456,5 @@ are:
 [rustforge]: https://forge.rust-lang.org/
 [tlgba]: http://tomlee.co/2014/04/a-more-detailed-tour-of-the-rust-compiler/
 [ro]: http://www.rustaceans.org/
-[rctd]: https://rust-lang.github.io/rustc-guide/tests/intro.html
+[rctd]: https://rustc-dev-guide.rust-lang.org/tests/intro.html
 [cheatsheet]: https://buildbot2.rust-lang.org/homu/
diff --git a/README.md b/README.md
index 61d3c9e115720..1cd9b8a3a2ae1 100644
--- a/README.md
+++ b/README.md
@@ -15,13 +15,13 @@ Read ["Installation"] from [The Book].
 ## Installing from Source
 
 _Note: If you wish to contribute to the compiler, you should read [this
-chapter][rustcguidebuild] of the rustc-guide instead of this section._
+chapter][rustcguidebuild] of the rustc-dev-guide instead of this section._
 
 The Rust build system has a Python script called `x.py` to bootstrap building
 the compiler. More information about it may be found by running `./x.py --help`
-or reading the [rustc guide][rustcguidebuild].
+or reading the [rustc dev guide][rustcguidebuild].
 
-[rustcguidebuild]: https://rust-lang.github.io/rustc-guide/building/how-to-build-and-run.html
+[rustcguidebuild]: https://rustc-dev-guide.rust-lang.org/building/how-to-build-and-run.html
 
 ### Building on *nix
 1. Make sure you have installed the dependencies:
@@ -249,13 +249,13 @@ Most real-time collaboration happens in a variety of channels on the
 community, documentation, and all major contribution areas in the Rust ecosystem.
 A good place to ask for help would be the #help channel.
 
-The [rustc guide] might be a good place to start if you want to find out how
+The [rustc dev guide] might be a good place to start if you want to find out how
 various parts of the compiler work.
 
 Also, you may find the [rustdocs for the compiler itself][rustdocs] useful.
 
 [rust-discord]: https://discord.gg/rust-lang
-[rustc guide]: https://rust-lang.github.io/rustc-guide/about-this-guide.html
+[rustc dev guide]: https://rustc-dev-guide.rust-lang.org/about-this-guide.html
 [rustdocs]: https://doc.rust-lang.org/nightly/nightly-rustc/rustc/
 
 ## License
diff --git a/src/README.md b/src/README.md
index 2f7cf90c5f030..b69a92a723778 100644
--- a/src/README.md
+++ b/src/README.md
@@ -3,6 +3,6 @@ This directory contains the source code of the rust project, including:
 - `libstd`
 - Various submodules for tools, like rustdoc, rls, etc.
 
-For more information on how various parts of the compiler work, see the [rustc guide].
+For more information on how various parts of the compiler work, see the [rustc dev guide].
 
-[rustc guide]: https://rust-lang.github.io/rustc-guide/about-this-guide.html
+[rustc dev guide]: https://rustc-dev-guide.rust-lang.org/about-this-guide.html
diff --git a/src/doc/index.md b/src/doc/index.md
index 0a2a80e8fd6e2..2d10230ffcf7a 100644
--- a/src/doc/index.md
+++ b/src/doc/index.md
@@ -120,7 +120,7 @@ Rust. It's also sometimes called "the 'nomicon."
 
 ## The `rustc` Contribution Guide
 
-[The `rustc` Guide](https://rust-lang.github.io/rustc-guide/) documents how
+[The `rustc` Guide](https://rustc-dev-guide.rust-lang.org/) documents how
 the compiler works and how to contribute to it. This is useful if you want to build
 or modify the Rust compiler from source (e.g. to target something non-standard).
 
diff --git a/src/doc/rustc/src/contributing.md b/src/doc/rustc/src/contributing.md
index 25a5c97b0a120..3b552e7cc0a74 100644
--- a/src/doc/rustc/src/contributing.md
+++ b/src/doc/rustc/src/contributing.md
@@ -1,12 +1,12 @@
 # Contributing to rustc
 
 We'd love to have your help improving `rustc`! To that end, we've written [a
-whole book][rustc_guide] on its
+whole book][rustc_dev_guide] on its
 internals, how it works, and how to get started working on it. To learn
 more, you'll want to check that out.
 
 If you would like to contribute to _this_ book, you can find its source in the
 rustc source at [src/doc/rustc][rustc_book].
 
-[rustc_guide]: https://rust-lang.github.io/rustc-guide/
+[rustc_dev_guide]: https://rustc-dev-guide.rust-lang.org/
 [rustc_book]: https://github.com/rust-lang/rust/tree/master/src/doc/rustc
diff --git a/src/librustc/README.md b/src/librustc/README.md
index c0e5c542bdc8b..de58f546cd3b5 100644
--- a/src/librustc/README.md
+++ b/src/librustc/README.md
@@ -1,3 +1,3 @@
-For more information about how rustc works, see the [rustc guide].
+For more information about how rustc works, see the [rustc dev guide].
 
-[rustc guide]: https://rust-lang.github.io/rustc-guide/
+[rustc dev guide]: https://rustc-dev-guide.rust-lang.org/
diff --git a/src/librustc/dep_graph/README.md b/src/librustc/dep_graph/README.md
index 91a06e452e5fd..b9d91cd35a8dd 100644
--- a/src/librustc/dep_graph/README.md
+++ b/src/librustc/dep_graph/README.md
@@ -1,4 +1,4 @@
 To learn more about how dependency tracking works in rustc, see the [rustc
 guide].
 
-[rustc guide]: https://rust-lang.github.io/rustc-guide/query.html
+[rustc dev guide]: https://rustc-dev-guide.rust-lang.org/query.html
diff --git a/src/librustc/dep_graph/graph.rs b/src/librustc/dep_graph/graph.rs
index d5cde7034116c..a2dc1fdb34b78 100644
--- a/src/librustc/dep_graph/graph.rs
+++ b/src/librustc/dep_graph/graph.rs
@@ -174,7 +174,7 @@ impl DepGraph {
     /// what state they have access to. In particular, we want to
     /// prevent implicit 'leaks' of tracked state into the task (which
     /// could then be read without generating correct edges in the
-    /// dep-graph -- see the [rustc guide] for more details on
+    /// dep-graph -- see the [rustc dev guide] for more details on
     /// the dep-graph). To this end, the task function gets exactly two
     /// pieces of state: the context `cx` and an argument `arg`. Both
     /// of these bits of state must be of some type that implements
@@ -194,7 +194,7 @@ impl DepGraph {
     /// - If you need 3+ arguments, use a tuple for the
     ///   `arg` parameter.
     ///
-    /// [rustc guide]: https://rust-lang.github.io/rustc-guide/incremental-compilation.html
+    /// [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/incremental-compilation.html
     pub fn with_task<'a, C, A, R>(
         &self,
         key: DepNode,
diff --git a/src/librustc/hir/mod.rs b/src/librustc/hir/mod.rs
index 1aa3b27bd1a5d..30c9a2ee769fb 100644
--- a/src/librustc/hir/mod.rs
+++ b/src/librustc/hir/mod.rs
@@ -1,6 +1,6 @@
-//! HIR datatypes. See the [rustc guide] for more info.
+//! HIR datatypes. See the [rustc dev guide] for more info.
 //!
-//! [rustc guide]: https://rust-lang.github.io/rustc-guide/hir.html
+//! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/hir.html
 
 pub mod exports;
 pub mod map;
diff --git a/src/librustc/infer/canonical.rs b/src/librustc/infer/canonical.rs
index 76d0d57e233a3..5f7e8c849653c 100644
--- a/src/librustc/infer/canonical.rs
+++ b/src/librustc/infer/canonical.rs
@@ -17,9 +17,9 @@
 //! `instantiate_query_result` method.
 //!
 //! For a more detailed look at what is happening here, check
-//! out the [chapter in the rustc guide][c].
+//! out the [chapter in the rustc dev guide][c].
 //!
-//! [c]: https://rust-lang.github.io/rustc-guide/traits/canonicalization.html
+//! [c]: https://rustc-dev-guide.rust-lang.org/traits/canonicalization.html
 
 use crate::infer::MemberConstraint;
 use crate::ty::subst::GenericArg;
diff --git a/src/librustc/lib.rs b/src/librustc/lib.rs
index 055d70effc6e6..24237235e0c4a 100644
--- a/src/librustc/lib.rs
+++ b/src/librustc/lib.rs
@@ -14,9 +14,9 @@
 //!   (or `tcx`), which is the central context during most of
 //!   compilation, containing the interners and other things.
 //!
-//! For more information about how rustc works, see the [rustc guide].
+//! For more information about how rustc works, see the [rustc dev guide].
 //!
-//! [rustc guide]: https://rust-lang.github.io/rustc-guide/
+//! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/
 //!
 //! # Note
 //!
diff --git a/src/librustc/middle/region.rs b/src/librustc/middle/region.rs
index 1d043f5dcdefa..758ba4a1ab013 100644
--- a/src/librustc/middle/region.rs
+++ b/src/librustc/middle/region.rs
@@ -2,9 +2,9 @@
 //! the parent links in the region hierarchy.
 //!
 //! For more information about how MIR-based region-checking works,
-//! see the [rustc guide].
+//! see the [rustc dev guide].
 //!
-//! [rustc guide]: https://rust-lang.github.io/rustc-guide/mir/borrowck.html
+//! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/mir/borrowck.html
 
 use crate::ich::{NodeIdHashingMode, StableHashingContext};
 use crate::ty::{self, DefIdTree, TyCtxt};
diff --git a/src/librustc/mir/mod.rs b/src/librustc/mir/mod.rs
index b2413f5a2c83f..afb585c4aa339 100644
--- a/src/librustc/mir/mod.rs
+++ b/src/librustc/mir/mod.rs
@@ -1,6 +1,6 @@
-//! MIR datatypes and passes. See the [rustc guide] for more info.
+//! MIR datatypes and passes. See the [rustc dev guide] for more info.
 //!
-//! [rustc guide]: https://rust-lang.github.io/rustc-guide/mir/index.html
+//! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/mir/index.html
 
 use crate::mir::interpret::{GlobalAlloc, Scalar};
 use crate::mir::visit::MirVisitable;
diff --git a/src/librustc/traits/mod.rs b/src/librustc/traits/mod.rs
index 4e02a1744ff34..6ebcc8b075462 100644
--- a/src/librustc/traits/mod.rs
+++ b/src/librustc/traits/mod.rs
@@ -1,6 +1,6 @@
-//! Trait Resolution. See the [rustc guide] for more information on how this works.
+//! Trait Resolution. See the [rustc dev guide] for more information on how this works.
 //!
-//! [rustc guide]: https://rust-lang.github.io/rustc-guide/traits/resolution.html
+//! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/traits/resolution.html
 
 pub mod query;
 pub mod select;
diff --git a/src/librustc/traits/select.rs b/src/librustc/traits/select.rs
index ac3d0049c0c7c..08d78b3a0b24b 100644
--- a/src/librustc/traits/select.rs
+++ b/src/librustc/traits/select.rs
@@ -1,6 +1,6 @@
-//! Candidate selection. See the [rustc guide] for more information on how this works.
+//! Candidate selection. See the [rustc dev guide] for more information on how this works.
 //!
-//! [rustc guide]: https://rust-lang.github.io/rustc-guide/traits/resolution.html#selection
+//! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/traits/resolution.html#selection
 
 use self::EvaluationResult::*;
 
diff --git a/src/librustc/ty/context.rs b/src/librustc/ty/context.rs
index 48ef81c1d5bf7..5c32bdad21b48 100644
--- a/src/librustc/ty/context.rs
+++ b/src/librustc/ty/context.rs
@@ -916,9 +916,9 @@ pub struct FreeRegionInfo {
 /// The central data structure of the compiler. It stores references
 /// to the various **arenas** and also houses the results of the
 /// various **compiler queries** that have been performed. See the
-/// [rustc guide] for more details.
+/// [rustc dev guide] for more details.
 ///
-/// [rustc guide]: https://rust-lang.github.io/rustc-guide/ty.html
+/// [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/ty.html
 #[derive(Copy, Clone)]
 #[rustc_diagnostic_item = "TyCtxt"]
 pub struct TyCtxt<'tcx> {
diff --git a/src/librustc/ty/query/README.md b/src/librustc/ty/query/README.md
index 4b5e08cecd99c..8ec07b9fdeb78 100644
--- a/src/librustc/ty/query/README.md
+++ b/src/librustc/ty/query/README.md
@@ -1,3 +1,3 @@
-For more information about how the query system works, see the [rustc guide].
+For more information about how the query system works, see the [rustc dev guide].
 
-[rustc guide]: https://rust-lang.github.io/rustc-guide/query.html
+[rustc dev guide]: https://rustc-dev-guide.rust-lang.org/query.html
diff --git a/src/librustc/ty/sty.rs b/src/librustc/ty/sty.rs
index 47bf7822b1f55..76b9aed831482 100644
--- a/src/librustc/ty/sty.rs
+++ b/src/librustc/ty/sty.rs
@@ -1396,11 +1396,11 @@ pub type Region<'tcx> = &'tcx RegionKind;
 /// the inference variable is supposed to satisfy the relation
 /// *for every value of the placeholder region*. To ensure that doesn't
 /// happen, you can use `leak_check`. This is more clearly explained
-/// by the [rustc guide].
+/// by the [rustc dev guide].
 ///
 /// [1]: http://smallcultfollowing.com/babysteps/blog/2013/10/29/intermingled-parameter-lists/
 /// [2]: http://smallcultfollowing.com/babysteps/blog/2013/11/04/intermingled-parameter-lists/
-/// [rustc guide]: https://rust-lang.github.io/rustc-guide/traits/hrtb.html
+/// [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/traits/hrtb.html
 #[derive(Clone, PartialEq, Eq, Hash, Copy, RustcEncodable, RustcDecodable, PartialOrd, Ord)]
 pub enum RegionKind {
     /// Region bound in a type or fn declaration which will be
diff --git a/src/librustc_ast/README.md b/src/librustc_ast/README.md
index d62e5a5ece0bf..dd407dba1f4cc 100644
--- a/src/librustc_ast/README.md
+++ b/src/librustc_ast/README.md
@@ -3,7 +3,7 @@ The `rustc_ast` crate contains those things concerned purely with syntax
 lexer, macro expander, and utilities for traversing ASTs.
 
 For more information about how these things work in rustc, see the
-rustc guide:
+rustc dev guide:
 
-- [Parsing](https://rust-lang.github.io/rustc-guide/the-parser.html)
-- [Macro Expansion](https://rust-lang.github.io/rustc-guide/macro-expansion.html)
+- [Parsing](https://rustc-dev-guide.rust-lang.org/the-parser.html)
+- [Macro Expansion](https://rustc-dev-guide.rust-lang.org/macro-expansion.html)
diff --git a/src/librustc_codegen_llvm/README.md b/src/librustc_codegen_llvm/README.md
index dda2e5ac18f01..97d8f76623e93 100644
--- a/src/librustc_codegen_llvm/README.md
+++ b/src/librustc_codegen_llvm/README.md
@@ -2,6 +2,6 @@ The `codegen` crate contains the code to convert from MIR into LLVM IR,
 and then from LLVM IR into machine code. In general it contains code
 that runs towards the end of the compilation process.
 
-For more information about how codegen works, see the [rustc guide].
+For more information about how codegen works, see the [rustc dev guide].
 
-[rustc guide]: https://rust-lang.github.io/rustc-guide/codegen.html
+[rustc dev guide]: https://rustc-dev-guide.rust-lang.org/codegen.html
diff --git a/src/librustc_codegen_ssa/README.md b/src/librustc_codegen_ssa/README.md
index 2a3a4fcc5fca4..90d991a3a4b25 100644
--- a/src/librustc_codegen_ssa/README.md
+++ b/src/librustc_codegen_ssa/README.md
@@ -1,3 +1,3 @@
-Please read the rustc-guide chapter on [Backend Agnostic Codegen][bac].
+Please read the rustc-dev-guide chapter on [Backend Agnostic Codegen][bac].
 
-[bac]: https://rust-lang.github.io/rustc-guide/codegen/backend-agnostic.html
+[bac]: https://rustc-dev-guide.rust-lang.org/codegen/backend-agnostic.html
diff --git a/src/librustc_driver/README.md b/src/librustc_driver/README.md
index c4d73953e9b2e..37dc7f6ba5fe4 100644
--- a/src/librustc_driver/README.md
+++ b/src/librustc_driver/README.md
@@ -5,6 +5,6 @@ not contain any of the "main logic" of the compiler (though it does
 have some code related to pretty printing or other minor compiler
 options).
 
-For more information about how the driver works, see the [rustc guide].
+For more information about how the driver works, see the [rustc dev guide].
 
-[rustc guide]: https://rust-lang.github.io/rustc-guide/rustc-driver.html
+[rustc dev guide]: https://rustc-dev-guide.rust-lang.org/rustc-driver.html
diff --git a/src/librustc_hir/hir.rs b/src/librustc_hir/hir.rs
index f948e22e84b10..59a770b9b9549 100644
--- a/src/librustc_hir/hir.rs
+++ b/src/librustc_hir/hir.rs
@@ -609,9 +609,9 @@ pub struct ModuleItems {
 /// The top-level data structure that stores the entire contents of
 /// the crate currently being compiled.
 ///
-/// For more details, see the [rustc guide].
+/// For more details, see the [rustc dev guide].
 ///
-/// [rustc guide]: https://rust-lang.github.io/rustc-guide/hir.html
+/// [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/hir.html
 #[derive(RustcEncodable, RustcDecodable, Debug)]
 pub struct Crate<'hir> {
     pub module: Mod<'hir>,
diff --git a/src/librustc_hir/lib.rs b/src/librustc_hir/lib.rs
index d958dfc681b00..45f806b53f50c 100644
--- a/src/librustc_hir/lib.rs
+++ b/src/librustc_hir/lib.rs
@@ -1,6 +1,6 @@
-//! HIR datatypes. See the [rustc guide] for more info.
+//! HIR datatypes. See the [rustc dev guide] for more info.
 //!
-//! [rustc guide]: https://rust-lang.github.io/rustc-guide/hir.html
+//! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/hir.html
 
 #![feature(crate_visibility_modifier)]
 #![feature(const_fn)] // For the unsizing cast on `&[]`
diff --git a/src/librustc_incremental/persist/README.md b/src/librustc_incremental/persist/README.md
index 8131d2840b49d..b01fe219e1e11 100644
--- a/src/librustc_incremental/persist/README.md
+++ b/src/librustc_incremental/persist/README.md
@@ -1,3 +1,3 @@
-For info on how the incremental compilation works, see the [rustc guide].
+For info on how the incremental compilation works, see the [rustc dev guide].
 
-[rustc guide]: https://rust-lang.github.io/rustc-guide/query.html
+[rustc dev guide]: https://rustc-dev-guide.rust-lang.org/query.html
diff --git a/src/librustc_infer/infer/canonical/canonicalizer.rs b/src/librustc_infer/infer/canonical/canonicalizer.rs
index 4d3f25290e1ab..964e378f7abc8 100644
--- a/src/librustc_infer/infer/canonical/canonicalizer.rs
+++ b/src/librustc_infer/infer/canonical/canonicalizer.rs
@@ -1,9 +1,9 @@
 //! This module contains the "canonicalizer" itself.
 //!
 //! For an overview of what canonicalization is and how it fits into
-//! rustc, check out the [chapter in the rustc guide][c].
+//! rustc, check out the [chapter in the rustc dev guide][c].
 //!
-//! [c]: https://rust-lang.github.io/rustc-guide/traits/canonicalization.html
+//! [c]: https://rustc-dev-guide.rust-lang.org/traits/canonicalization.html
 
 use crate::infer::canonical::{
     Canonical, CanonicalTyVarKind, CanonicalVarInfo, CanonicalVarKind, Canonicalized,
@@ -33,9 +33,9 @@ impl<'cx, 'tcx> InferCtxt<'cx, 'tcx> {
     /// with a mapping M that maps `'?0` to `'static`.
     ///
     /// To get a good understanding of what is happening here, check
-    /// out the [chapter in the rustc guide][c].
+    /// out the [chapter in the rustc dev guide][c].
     ///
-    /// [c]: https://rust-lang.github.io/rustc-guide/traits/canonicalization.html#canonicalizing-the-query
+    /// [c]: https://rustc-dev-guide.rust-lang.org/traits/canonicalization.html#canonicalizing-the-query
     pub fn canonicalize_query<V>(
         &self,
         value: &V,
@@ -77,9 +77,9 @@ impl<'cx, 'tcx> InferCtxt<'cx, 'tcx> {
     /// reference to `'static` alone.
     ///
     /// To get a good understanding of what is happening here, check
-    /// out the [chapter in the rustc guide][c].
+    /// out the [chapter in the rustc dev guide][c].
     ///
-    /// [c]: https://rust-lang.github.io/rustc-guide/traits/canonicalization.html#canonicalizing-the-query-result
+    /// [c]: https://rustc-dev-guide.rust-lang.org/traits/canonicalization.html#canonicalizing-the-query-result
     pub fn canonicalize_response<V>(&self, value: &V) -> Canonicalized<'tcx, V>
     where
         V: TypeFoldable<'tcx>,
diff --git a/src/librustc_infer/infer/canonical/mod.rs b/src/librustc_infer/infer/canonical/mod.rs
index ba019a8cf0369..0e9593e8ea6b0 100644
--- a/src/librustc_infer/infer/canonical/mod.rs
+++ b/src/librustc_infer/infer/canonical/mod.rs
@@ -17,9 +17,9 @@
 //! `instantiate_query_result` method.
 //!
 //! For a more detailed look at what is happening here, check
-//! out the [chapter in the rustc guide][c].
+//! out the [chapter in the rustc dev guide][c].
 //!
-//! [c]: https://rust-lang.github.io/rustc-guide/traits/canonicalization.html
+//! [c]: https://rustc-dev-guide.rust-lang.org/traits/canonicalization.html
 
 use crate::infer::{ConstVariableOrigin, ConstVariableOriginKind};
 use crate::infer::{InferCtxt, RegionVariableOrigin, TypeVariableOrigin, TypeVariableOriginKind};
diff --git a/src/librustc_infer/infer/canonical/query_response.rs b/src/librustc_infer/infer/canonical/query_response.rs
index 966bd99787729..b6c0dc3939bff 100644
--- a/src/librustc_infer/infer/canonical/query_response.rs
+++ b/src/librustc_infer/infer/canonical/query_response.rs
@@ -3,9 +3,9 @@
 //! encode them therein.
 //!
 //! For an overview of what canonicaliation is and how it fits into
-//! rustc, check out the [chapter in the rustc guide][c].
+//! rustc, check out the [chapter in the rustc dev guide][c].
 //!
-//! [c]: https://rust-lang.github.io/rustc-guide/traits/canonicalization.html
+//! [c]: https://rustc-dev-guide.rust-lang.org/traits/canonicalization.html
 
 use crate::infer::canonical::substitute::{substitute_value, CanonicalExt};
 use crate::infer::canonical::{
@@ -196,9 +196,9 @@ impl<'cx, 'tcx> InferCtxt<'cx, 'tcx> {
     /// the query before applying this function.)
     ///
     /// To get a good understanding of what is happening here, check
-    /// out the [chapter in the rustc guide][c].
+    /// out the [chapter in the rustc dev guide][c].
     ///
-    /// [c]: https://rust-lang.github.io/rustc-guide/traits/canonicalization.html#processing-the-canonicalized-query-result
+    /// [c]: https://rustc-dev-guide.rust-lang.org/traits/canonicalization.html#processing-the-canonicalized-query-result
     pub fn instantiate_query_response_and_region_obligations<R>(
         &self,
         cause: &ObligationCause<'tcx>,
diff --git a/src/librustc_infer/infer/canonical/substitute.rs b/src/librustc_infer/infer/canonical/substitute.rs
index 99ddedfe8815b..afef32c1ffebb 100644
--- a/src/librustc_infer/infer/canonical/substitute.rs
+++ b/src/librustc_infer/infer/canonical/substitute.rs
@@ -2,9 +2,9 @@
 //! `Canonical<'tcx, T>`.
 //!
 //! For an overview of what canonicalization is and how it fits into
-//! rustc, check out the [chapter in the rustc guide][c].
+//! rustc, check out the [chapter in the rustc dev guide][c].
 //!
-//! [c]: https://rust-lang.github.io/rustc-guide/traits/canonicalization.html
+//! [c]: https://rustc-dev-guide.rust-lang.org/traits/canonicalization.html
 
 use crate::infer::canonical::{Canonical, CanonicalVarValues};
 use rustc::ty::fold::TypeFoldable;
diff --git a/src/librustc_infer/infer/higher_ranked/README.md b/src/librustc_infer/infer/higher_ranked/README.md
index e7afaa5beb0a7..533d0ef7e6c4b 100644
--- a/src/librustc_infer/infer/higher_ranked/README.md
+++ b/src/librustc_infer/infer/higher_ranked/README.md
@@ -1,8 +1,8 @@
 To learn more about how Higher-ranked trait bounds work in the _old_ trait
-solver, see [this chapter][oldhrtb] of the rustc-guide.
+solver, see [this chapter][oldhrtb] of the rustc-dev-guide.
 
 To learn more about how they work in the _new_ trait solver, see [this
 chapter][newhrtb].
 
-[oldhrtb]: https://rust-lang.github.io/rustc-guide/traits/hrtb.html
-[newhrtb]: https://rust-lang.github.io/rustc-guide/borrow_check/region_inference.html#placeholders-and-universes
+[oldhrtb]: https://rustc-dev-guide.rust-lang.org/traits/hrtb.html
+[newhrtb]: https://rustc-dev-guide.rust-lang.org/borrow_check/region_inference.html#placeholders-and-universes
diff --git a/src/librustc_infer/infer/higher_ranked/mod.rs b/src/librustc_infer/infer/higher_ranked/mod.rs
index 33781188a9550..105b987f85e96 100644
--- a/src/librustc_infer/infer/higher_ranked/mod.rs
+++ b/src/librustc_infer/infer/higher_ranked/mod.rs
@@ -71,9 +71,9 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
     /// needed (but is also permitted).
     ///
     /// For more information about how placeholders and HRTBs work, see
-    /// the [rustc guide].
+    /// the [rustc dev guide].
     ///
-    /// [rustc guide]: https://rust-lang.github.io/rustc-guide/traits/hrtb.html
+    /// [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/traits/hrtb.html
     pub fn replace_bound_vars_with_placeholders<T>(
         &self,
         binder: &ty::Binder<T>,
diff --git a/src/librustc_infer/infer/lexical_region_resolve/README.md b/src/librustc_infer/infer/lexical_region_resolve/README.md
index c26b5625a90b6..e0b2c0bffeeb3 100644
--- a/src/librustc_infer/infer/lexical_region_resolve/README.md
+++ b/src/librustc_infer/infer/lexical_region_resolve/README.md
@@ -2,6 +2,6 @@
 Lexical Region Resolution was removed in https://github.com/rust-lang/rust/pull/64790.
 
 Rust now uses Non-lexical lifetimes. For more info, please see the [borrowck
-chapter][bc] in the rustc-guide.
+chapter][bc] in the rustc-dev-guide.
 
-[bc]: https://rust-lang.github.io/rustc-guide/borrow_check/region_inference.html
+[bc]: https://rustc-dev-guide.rust-lang.org/borrow_check/region_inference.html
diff --git a/src/librustc_infer/infer/region_constraints/README.md b/src/librustc_infer/infer/region_constraints/README.md
index d789fb0de1093..0231dd0667725 100644
--- a/src/librustc_infer/infer/region_constraints/README.md
+++ b/src/librustc_infer/infer/region_constraints/README.md
@@ -1,3 +1,3 @@
-For info on how the current borrowck works, see the [rustc guide].
+For info on how the current borrowck works, see the [rustc dev guide].
 
-[rustc guide]: https://rust-lang.github.io/rustc-guide/borrow_check.html
+[rustc dev guide]: https://rustc-dev-guide.rust-lang.org/borrow_check.html
diff --git a/src/librustc_infer/lib.rs b/src/librustc_infer/lib.rs
index 6c66ef47f33f0..49e99b574b892 100644
--- a/src/librustc_infer/lib.rs
+++ b/src/librustc_infer/lib.rs
@@ -5,9 +5,9 @@
 //!   this code handles low-level equality and subtyping operations. The
 //!   type check pass in the compiler is found in the `librustc_typeck` crate.
 //!
-//! For more information about how rustc works, see the [rustc guide].
+//! For more information about how rustc works, see the [rustc dev guide].
 //!
-//! [rustc guide]: https://rust-lang.github.io/rustc-guide/
+//! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/
 //!
 //! # Note
 //!
diff --git a/src/librustc_infer/traits/coherence.rs b/src/librustc_infer/traits/coherence.rs
index 15c5f4d402ac3..9cf4ed8fe573a 100644
--- a/src/librustc_infer/traits/coherence.rs
+++ b/src/librustc_infer/traits/coherence.rs
@@ -1,8 +1,8 @@
-//! See Rustc Guide chapters on [trait-resolution] and [trait-specialization] for more info on how
-//! this works.
+//! See Rustc Dev Guide chapters on [trait-resolution] and [trait-specialization] for more info on
+//! how this works.
 //!
-//! [trait-resolution]: https://rust-lang.github.io/rustc-guide/traits/resolution.html
-//! [trait-specialization]: https://rust-lang.github.io/rustc-guide/traits/specialization.html
+//! [trait-resolution]: https://rustc-dev-guide.rust-lang.org/traits/resolution.html
+//! [trait-specialization]: https://rustc-dev-guide.rust-lang.org/traits/specialization.html
 
 use crate::infer::{CombinedSnapshot, InferOk, TyCtxtInferExt};
 use crate::traits::select::IntercrateAmbiguityCause;
diff --git a/src/librustc_infer/traits/mod.rs b/src/librustc_infer/traits/mod.rs
index 800f8e91a7801..aa0cfedff9e8b 100644
--- a/src/librustc_infer/traits/mod.rs
+++ b/src/librustc_infer/traits/mod.rs
@@ -1,6 +1,6 @@
-//! Trait Resolution. See the [rustc guide] for more information on how this works.
+//! Trait Resolution. See the [rustc dev guide] for more information on how this works.
 //!
-//! [rustc guide]: https://rust-lang.github.io/rustc-guide/traits/resolution.html
+//! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/traits/resolution.html
 
 #[allow(dead_code)]
 pub mod auto_trait;
diff --git a/src/librustc_infer/traits/query/type_op/mod.rs b/src/librustc_infer/traits/query/type_op/mod.rs
index eb4c0a029e1b9..1644746c16eb1 100644
--- a/src/librustc_infer/traits/query/type_op/mod.rs
+++ b/src/librustc_infer/traits/query/type_op/mod.rs
@@ -44,7 +44,7 @@ pub trait TypeOp<'tcx>: Sized + fmt::Debug {
 /// first canonicalize the key and then invoke the query on the tcx,
 /// which produces the resulting query region constraints.
 ///
-/// [c]: https://rust-lang.github.io/rustc-guide/traits/canonicalization.html
+/// [c]: https://rustc-dev-guide.rust-lang.org/traits/canonicalization.html
 pub trait QueryTypeOp<'tcx>: fmt::Debug + Sized + TypeFoldable<'tcx> + 'tcx {
     type QueryResponse: TypeFoldable<'tcx>;
 
diff --git a/src/librustc_infer/traits/select.rs b/src/librustc_infer/traits/select.rs
index c0d8f3cfd4f86..b50f14475fceb 100644
--- a/src/librustc_infer/traits/select.rs
+++ b/src/librustc_infer/traits/select.rs
@@ -1,8 +1,8 @@
 // ignore-tidy-filelength
 
-//! Candidate selection. See the [rustc guide] for more information on how this works.
+//! Candidate selection. See the [rustc dev guide] for more information on how this works.
 //!
-//! [rustc guide]: https://rust-lang.github.io/rustc-guide/traits/resolution.html#selection
+//! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/traits/resolution.html#selection
 
 use self::EvaluationResult::*;
 use self::SelectionCandidate::*;
@@ -931,10 +931,10 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
     //
     // The selection process begins by examining all in-scope impls,
     // caller obligations, and so forth and assembling a list of
-    // candidates. See the [rustc guide] for more details.
+    // candidates. See the [rustc dev guide] for more details.
     //
-    // [rustc guide]:
-    // https://rust-lang.github.io/rustc-guide/traits/resolution.html#candidate-assembly
+    // [rustc dev guide]:
+    // https://rustc-dev-guide.rust-lang.org/traits/resolution.html#candidate-assembly
 
     fn candidate_from_obligation<'o>(
         &mut self,
@@ -2447,10 +2447,10 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
     //
     // Confirmation unifies the output type parameters of the trait
     // with the values found in the obligation, possibly yielding a
-    // type error.  See the [rustc guide] for more details.
+    // type error.  See the [rustc dev guide] for more details.
     //
-    // [rustc guide]:
-    // https://rust-lang.github.io/rustc-guide/traits/resolution.html#confirmation
+    // [rustc dev guide]:
+    // https://rustc-dev-guide.rust-lang.org/traits/resolution.html#confirmation
 
     fn confirm_candidate(
         &mut self,
diff --git a/src/librustc_infer/traits/specialize/mod.rs b/src/librustc_infer/traits/specialize/mod.rs
index ee1c737c208f7..51da759da99f8 100644
--- a/src/librustc_infer/traits/specialize/mod.rs
+++ b/src/librustc_infer/traits/specialize/mod.rs
@@ -4,10 +4,10 @@
 //! At the moment, this implementation support only the simple "chain" rule:
 //! If any two impls overlap, one must be a strict subset of the other.
 //!
-//! See the [rustc guide] for a bit more detail on how specialization
+//! See the [rustc dev guide] for a bit more detail on how specialization
 //! fits together with the rest of the trait machinery.
 //!
-//! [rustc guide]: https://rust-lang.github.io/rustc-guide/traits/specialization.html
+//! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/traits/specialization.html
 
 pub mod specialization_graph;
 use specialization_graph::GraphExt;
diff --git a/src/librustc_passes/region.rs b/src/librustc_passes/region.rs
index 282bd20a9bed9..908785faff073 100644
--- a/src/librustc_passes/region.rs
+++ b/src/librustc_passes/region.rs
@@ -2,9 +2,9 @@
 //! the parent links in the region hierarchy.
 //!
 //! For more information about how MIR-based region-checking works,
-//! see the [rustc guide].
+//! see the [rustc dev guide].
 //!
-//! [rustc guide]: https://rust-lang.github.io/rustc-guide/borrow_check.html
+//! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/borrow_check.html
 
 use rustc::hir::map::Map;
 use rustc::middle::region::*;
diff --git a/src/librustc_target/README.md b/src/librustc_target/README.md
index a22000ea9d280..ac1e03385d181 100644
--- a/src/librustc_target/README.md
+++ b/src/librustc_target/README.md
@@ -1,6 +1,6 @@
 `librustc_target` contains some very low-level details that are
 specific to different compilation targets and so forth.
 
-For more information about how rustc works, see the [rustc guide].
+For more information about how rustc works, see the [rustc dev guide].
 
-[rustc guide]: https://rust-lang.github.io/rustc-guide/
+[rustc dev guide]: https://rustc-dev-guide.rust-lang.org/
diff --git a/src/librustc_traits/lowering/mod.rs b/src/librustc_traits/lowering/mod.rs
index 97b81c224d593..9b48cf489ba26 100644
--- a/src/librustc_traits/lowering/mod.rs
+++ b/src/librustc_traits/lowering/mod.rs
@@ -108,13 +108,13 @@ impl<'tcx> Lower<PolyDomainGoal<'tcx>> for ty::Predicate<'tcx> {
     }
 }
 
-/// Used for implied bounds related rules (see rustc guide).
+/// Used for implied bounds related rules (see rustc dev guide).
 trait IntoFromEnvGoal {
     /// Transforms an existing goal into a `FromEnv` goal.
     fn into_from_env_goal(self) -> Self;
 }
 
-/// Used for well-formedness related rules (see rustc guide).
+/// Used for well-formedness related rules (see rustc dev guide).
 trait IntoWellFormedGoal {
     /// Transforms an existing goal into a `WellFormed` goal.
     fn into_well_formed_goal(self) -> Self;
@@ -178,7 +178,7 @@ crate fn program_clauses_for(tcx: TyCtxt<'_>, def_id: DefId) -> Clauses<'_> {
 fn program_clauses_for_trait(tcx: TyCtxt<'_>, def_id: DefId) -> Clauses<'_> {
     // `trait Trait<P1..Pn> where WC { .. } // P0 == Self`
 
-    // Rule Implemented-From-Env (see rustc guide)
+    // Rule Implemented-From-Env (see rustc dev guide)
     //
     // ```
     // forall<Self, P1..Pn> {
@@ -282,7 +282,7 @@ fn program_clauses_for_impl(tcx: TyCtxt<'tcx>, def_id: DefId) -> Clauses<'tcx> {
         return List::empty();
     }
 
-    // Rule Implemented-From-Impl (see rustc guide)
+    // Rule Implemented-From-Impl (see rustc dev guide)
     //
     // `impl<P0..Pn> Trait<A1..An> for A0 where WC { .. }`
     //
@@ -501,7 +501,7 @@ pub fn program_clauses_for_associated_type_def(tcx: TyCtxt<'_>, item_id: DefId)
 }
 
 pub fn program_clauses_for_associated_type_value(tcx: TyCtxt<'_>, item_id: DefId) -> Clauses<'_> {
-    // Rule Normalize-From-Impl (see rustc guide)
+    // Rule Normalize-From-Impl (see rustc dev guide)
     //
     // ```
     // impl<P0..Pn> Trait<A1..An> for A0 {
diff --git a/src/librustc_typeck/README.md b/src/librustc_typeck/README.md
index fdcbd935524db..b61dbd8c9648e 100644
--- a/src/librustc_typeck/README.md
+++ b/src/librustc_typeck/README.md
@@ -1,5 +1,5 @@
 For high-level intro to how type checking works in rustc, see the
-[type checking] chapter of the [rustc guide].
+[type checking] chapter of the [rustc dev guide].
 
-[type checking]: https://rust-lang.github.io/rustc-guide/type-checking.html
-[rustc guide]: https://rust-lang.github.io/rustc-guide/
+[type checking]: https://rustc-dev-guide.rust-lang.org/type-checking.html
+[rustc dev guide]: https://rustc-dev-guide.rust-lang.org/
diff --git a/src/librustc_typeck/check/method/mod.rs b/src/librustc_typeck/check/method/mod.rs
index 542a1ac4536c1..189b05a819bab 100644
--- a/src/librustc_typeck/check/method/mod.rs
+++ b/src/librustc_typeck/check/method/mod.rs
@@ -1,6 +1,6 @@
-//! Method lookup: the secret sauce of Rust. See the [rustc guide] for more information.
+//! Method lookup: the secret sauce of Rust. See the [rustc dev guide] for more information.
 //!
-//! [rustc guide]: https://rust-lang.github.io/rustc-guide/method-lookup.html
+//! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/method-lookup.html
 
 mod confirm;
 pub mod probe;
diff --git a/src/librustc_typeck/variance/mod.rs b/src/librustc_typeck/variance/mod.rs
index ddde11b38448b..2684057ccecaf 100644
--- a/src/librustc_typeck/variance/mod.rs
+++ b/src/librustc_typeck/variance/mod.rs
@@ -1,7 +1,7 @@
-//! Module for inferring the variance of type and lifetime parameters. See the [rustc guide]
+//! Module for inferring the variance of type and lifetime parameters. See the [rustc dev guide]
 //! chapter for more info.
 //!
-//! [rustc guide]: https://rust-lang.github.io/rustc-guide/variance.html
+//! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/variance.html
 
 use hir::Node;
 use rustc::ty::query::Providers;
diff --git a/src/librustc_typeck/variance/terms.rs b/src/librustc_typeck/variance/terms.rs
index dd593a6abb4fe..65bdff3395ddc 100644
--- a/src/librustc_typeck/variance/terms.rs
+++ b/src/librustc_typeck/variance/terms.rs
@@ -77,8 +77,8 @@ pub fn determine_parameters_to_be_inferred<'a, 'tcx>(
 
     // See the following for a discussion on dep-graph management.
     //
-    // - https://rust-lang.github.io/rustc-guide/query.html
-    // - https://rust-lang.github.io/rustc-guide/variance.html
+    // - https://rustc-dev-guide.rust-lang.org/query.html
+    // - https://rustc-dev-guide.rust-lang.org/variance.html
     tcx.hir().krate().visit_all_item_likes(&mut terms_cx);
 
     terms_cx
diff --git a/src/librustdoc/README.md b/src/librustdoc/README.md
index e4f7bc30e3fcf..5a5f547068d63 100644
--- a/src/librustdoc/README.md
+++ b/src/librustdoc/README.md
@@ -1,3 +1,3 @@
-For more information about how `librustdoc` works, see the [rustc guide].
+For more information about how `librustdoc` works, see the [rustc dev guide].
 
-[rustc guide]: https://rust-lang.github.io/rustc-guide/rustdoc.html
+[rustc dev guide]: https://rustc-dev-guide.rust-lang.org/rustdoc.html
diff --git a/src/test/COMPILER_TESTS.md b/src/test/COMPILER_TESTS.md
index 3f47ca834cda6..ea540bd0b18a9 100644
--- a/src/test/COMPILER_TESTS.md
+++ b/src/test/COMPILER_TESTS.md
@@ -1,4 +1,4 @@
 # Compiler Test Documentation
 
 Documentation for the compiler testing framework can be found in
-[the rustc guide](https://rust-lang.github.io/rustc-guide/tests/intro.html).
+[the rustc dev guide](https://rustc-dev-guide.rust-lang.org/tests/intro.html).
diff --git a/triagebot.toml b/triagebot.toml
index a174dd1e7f3fe..13777d7a6c47d 100644
--- a/triagebot.toml
+++ b/triagebot.toml
@@ -17,7 +17,7 @@ Hey LLVM ICE-breakers! This bug has been identified as a good
 [instructions] for tackling these sorts of bugs. Maybe take a look?
 Thanks! <3
 
-[instructions]: https://rust-lang.github.io/rustc-guide/ice-breaker/llvm.html
+[instructions]: https://rustc-dev-guide.rust-lang.org/ice-breaker/llvm.html
 """
 label = "ICEBreaker-LLVM"
 
@@ -28,6 +28,6 @@ Hey Cleanup Crew ICE-breakers! This bug has been identified as a good
 [instructions] for tackling these sorts of bugs. Maybe take a look?
 Thanks! <3
 
-[instructions]: https://rust-lang.github.io/rustc-guide/ice-breaker/cleanup-crew.html
+[instructions]: https://rustc-dev-guide.rust-lang.org/ice-breaker/cleanup-crew.html
 """
 label = "ICEBreaker-Cleanup-Crew"