Auto merge of #1445 - atouchet:links, r=gnzlbg

Update links

CONTRIBUTING.md

@@ -38,9 +38,9 @@ With that in mind, the steps for adding a new API are:
 
 ### Test before you commit
 
-We have two automated tests running on [Travis](https://travis-ci.org/rust-lang/libc):
+We have two automated tests running on [Azure Pipelines](https://dev.azure.com/rust-lang2/libc/_build?definitionId=1&_a=summary):
 
-1. [`libc-test`](https://github.com/alexcrichton/ctest)
+1. [`libc-test`](https://github.com/gnzlbg/ctest)
   - `cd libc-test && cargo test`
   - Use the `skip_*()` functions in `build.rs` if you really need a workaround.
 2. Style checker