Fix automatic_links warnings

compiler/rustc_target/src/spec/crt_objects.rs

@@ -3,7 +3,7 @@
 //!
 //! Table of CRT objects for popular toolchains.
 //! The `crtx` ones are generally distributed with libc and the `begin/end` ones with gcc.
-//! See https://dev.gentoo.org/~vapier/crt.txt for some more details.
+//! See <https://dev.gentoo.org/~vapier/crt.txt> for some more details.
 //!
 //! | Pre-link CRT objects | glibc                  | musl                   | bionic           | mingw             | wasi |
 //! |----------------------|------------------------|------------------------|------------------|-------------------|------|

compiler/rustc_target/src/spec/mod.rs

@@ -950,7 +950,7 @@ pub struct TargetOptions {
     /// The MergeFunctions pass is generally useful, but some targets may need
     /// to opt out. The default is "aliases".
     ///
-    /// Workaround for: https://github.com/rust-lang/rust/issues/57356
+    /// Workaround for: <https://github.com/rust-lang/rust/issues/57356>
     pub merge_functions: MergeFunctions,
 
     /// Use platform dependent mcount function

compiler/rustc_target/src/spec/wasm32_unknown_unknown.rs

@@ -8,7 +8,7 @@
 //! (e.g. trying to create a TCP stream or something like that).
 //!
 //! This target is more or less managed by the Rust and WebAssembly Working
-//! Group nowadays at https://github.com/rustwasm.
+//! Group nowadays at <https://github.com/rustwasm>.
 
 use super::wasm32_base;
 use super::{LinkerFlavor, LldFlavor, Target};

compiler/rustc_target/src/spec/wasm32_wasi.rs

@@ -7,7 +7,7 @@
 //! intended to empower WebAssembly binaries with native capabilities such as
 //! filesystem access, network access, etc.
 //!
-//! You can see more about the proposal at https://wasi.dev
+//! You can see more about the proposal at <https://wasi.dev>.
 //!
 //! The Rust target definition here is interesting in a few ways. We want to
 //! serve two use cases here with this target:

library/core/src/intrinsics.rs

@@ -9,7 +9,7 @@
 //! This includes changes in the stability of the constness.
 //!
 //! In order to make an intrinsic usable at compile-time, one needs to copy the implementation
-//! from https://github.com/rust-lang/miri/blob/master/src/shims/intrinsics.rs to
+//! from <https://github.com/rust-lang/miri/blob/master/src/shims/intrinsics.rs> to
 //! `compiler/rustc_mir/src/interpret/intrinsics.rs` and add a
 //! `#[rustc_const_unstable(feature = "foo", issue = "01234")]` to the intrinsic.
 //!

library/core/src/lib.rs

@@ -287,6 +287,7 @@ pub mod primitive;
     unused_imports,
     unsafe_op_in_unsafe_fn
 )]
+#[cfg_attr(not(bootstrap), allow(automatic_links))]
 // FIXME: This annotation should be moved into rust-lang/stdarch after clashing_extern_declarations is
 // merged. It currently cannot because bootstrap fails as the lint hasn't been defined yet.
 #[allow(clashing_extern_declarations)]

library/core/src/num/dec2flt/mod.rs

@@ -33,7 +33,7 @@
 //!
 //! Primarily, this module and its children implement the algorithms described in:
 //! "How to Read Floating Point Numbers Accurately" by William D. Clinger,
-//! available online: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.45.4152
+//! available online: <http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.45.4152>
 //!
 //! In addition, there are numerous helper functions that are used in the paper but not available
 //! in Rust (or at least in core). Our version is additionally complicated by the need to handle

library/core/src/slice/sort.rs

@@ -1,7 +1,7 @@
 //! Slice sorting
 //!
 //! This module contains a sorting algorithm based on Orson Peters' pattern-defeating quicksort,
-//! published at: https://github.com/orlp/pdqsort
+//! published at: <https://github.com/orlp/pdqsort>
 //!
 //! Unstable sorting is compatible with libcore because it doesn't allocate memory, unlike our
 //! stable sorting implementation.