Add redirects on the unstable docs.

This adds some redirects so if there are any links to old documentation,
they will get redirect to new documentation.

src/doc/src/reference/unstable.md

@@ -1060,3 +1060,35 @@ name = "mypackage"
 version = "0.0.1"
 rust-version = "1.42"
 ```
+
+<script>
+(function() {
+ var fragments = {
+ "#edition": "manifest.html#the-edition-field",
+ "#compile-progress": "config.html#termprogresswhen",
+ "#rename-dependency": "specifying-dependencies.html#renaming-dependencies-in-cargotoml",
+ "#alternate-registries": "registries.html",
+ "#offline-mode": "../commands/cargo.html",
+ "#publish-lockfile": "../commands/cargo-package.html",
+ "#default-run": "manifest.html#the-default-run-field",
+ "#cache-messages": "https://github.com/rust-lang/cargo/pull/7450",
+ "#install-upgrade": "../commands/cargo-install.html",
+ "#profile-overrides": "profiles.html#overrides",
+ "#config-profiles": "config.html#profile",
+ "#crate-versions": "https://github.com/rust-lang/cargo/pull/8509",
+ "#features": "features.html#feature-resolver-version-2",
+ "#package-features": "features.html#resolver-version-2-command-line-flags",
+ "#resolver": "resolver.html#resolver-versions",
+ };
+ var target = fragments[window.location.hash];
+ if (target) {
+ if (target.startsWith('https')) {
+ window.location.replace(target);
+ } else {
+ var url = window.location.toString();
+ var base = url.substring(0, url.lastIndexOf('/'));
+ window.location.replace(base + "/" + target);
+ }
+ }
+})();
+</script>