Update some projects locations (#658)

Author: spastorino

src/compiler-debugging.md

@@ -261,8 +261,8 @@ until it finds the regression. You can then look at the PR to get more context
 on *why* it was changed.  See [this tutorial][bisect-tutorial] on how to use
 it.
 
-[bisect]: https://github.com/rust-lang-nursery/cargo-bisect-rustc
-[bisect-tutorial]: https://github.com/rust-lang-nursery/cargo-bisect-rustc/blob/master/TUTORIAL.md
+[bisect]: https://github.com/rust-lang/cargo-bisect-rustc
+[bisect-tutorial]: https://github.com/rust-lang/cargo-bisect-rustc/blob/master/TUTORIAL.md
 
 ## Downloading Artifacts from Rust's CI
 

src/conventions.md

@@ -14,7 +14,7 @@ enforced by a script we affectionately call the "tidy" script.  The
 tidy script runs automatically when you do `./x.py test` and can be run
 in isolation with `./x.py test tidy`.
 
-[fmt]: https://github.com/rust-lang-nursery/fmt-rfcs
+[fmt]: https://github.com/rust-dev-tools/fmt-rfcs
 
 <a name="copyright"></a>
 

src/diagnostics.md

@@ -82,7 +82,7 @@ is passed) as JSON for consumption by tools, most notably the [Rust Language
 Server][rls] and [`rustfix`][rustfix].
 
 [rls]: https://github.com/rust-lang/rls
-[rustfix]: https://github.com/rust-lang-nursery/rustfix
+[rustfix]: https://github.com/rust-lang/rustfix
 
 Not all suggestions should be applied mechanically. Use the
 [`span_suggestion`][span_suggestion] method of `DiagnosticBuilder` to

src/profiling.md

@@ -5,7 +5,7 @@ This section talks about how to profile the compiler and find out where it spend
 Depending on what you're trying to measure, there are several different approaches:
 
 - If you want to see if a PR improves or regresses compiler performance:
-  - The [rustc-perf](https://github.com/rust-lang-nursery/rustc-perf) project makes this easy and can be triggered to run on a PR via the `@rustc-perf` bot.
+  - The [rustc-perf](https://github.com/rust-lang/rustc-perf) project makes this easy and can be triggered to run on a PR via the `@rustc-perf` bot.
 
 - If you want a medium-to-high level overview of where `rustc` is spending its time:
   - The `-Zself-profile` flag and [measureme](https://github.com/rust-lang/measureme) tools offer a query-based approach to profiling.

src/profiling/with_perf.md

@@ -59,18 +59,18 @@ do that, the first step is to clone
 [the rustc-perf repository][rustc-perf-gh]:
 
 ```bash
-git clone https://github.com/rust-lang-nursery/rustc-perf
+git clone https://github.com/rust-lang/rustc-perf
 ```
 
-[rustc-perf-gh]: https://github.com/rust-lang-nursery/rustc-perf
+[rustc-perf-gh]: https://github.com/rust-lang/rustc-perf
 
 #### Doing it the easy way
 
 Once you've cloned the repo, you can use the `collector` executable to
 do profiling for you! You can find
 [instructions in the rustc-perf readme][rustc-perf-readme].
 
-[rustc-perf-readme]: https://github.com/rust-lang-nursery/rustc-perf/blob/master/collector/README.md#profiling
+[rustc-perf-readme]: https://github.com/rust-lang/rustc-perf/blob/master/collector/README.md#profiling
 
 For example, to measure the clap-rs test, you might do:
 
@@ -94,7 +94,7 @@ are found in [the `collector/benchmarks` directory][dir]. So let's go
 into the directory of a specific test; we'll use `clap-rs` as an
 example:
 
-[dir]: https://github.com/rust-lang-nursery/rustc-perf/tree/master/collector/benchmarks
+[dir]: https://github.com/rust-lang/rustc-perf/tree/master/collector/benchmarks
 
 ```bash
 cd collector/benchmarks/clap-rs

src/tests/intro.md

@@ -183,7 +183,7 @@ communicate with the server to coordinate running tests (see
 
 ## Crater
 
-[Crater](https://github.com/rust-lang-nursery/crater) is a tool for compiling
+[Crater](https://github.com/rust-lang/crater) is a tool for compiling
 and running tests for _every_ crate on [crates.io](https://crates.io) (and a
 few on GitHub). It is mainly used for checking for extent of breakage when
 implementing potentially breaking changes and ensuring lack of breakage by

src/traits/goals-and-clauses.md

@@ -43,7 +43,7 @@ In terms of code, these types are defined in
 
 [pphhf]: ./bibliography.html#pphhf
 [traits_mod]: https://github.com/rust-lang/rust/blob/master/src/librustc_middle/traits/mod.rs
-[chalk_ir]: https://github.com/rust-lang-nursery/chalk/blob/master/chalk-ir/src/lib.rs
+[chalk_ir]: https://github.com/rust-lang/chalk/blob/master/chalk-ir/src/lib.rs
 
 <a name="domain-goals"></a>