run linkcheck in Remark CI

fix new lints link

install nightly rust-docs

run linkcheck without nightly toolchain

remove nightly toolchain, add rust-docs component

Test Remark

Update basics.md

Update basics.md

Update basics.md

update workflow

add rust docs toolchain

Update remark.yml

workflow test

manual test

update book path

add linkcheck book to CI

Update lint_passes.md

.github/workflows/remark.yml

@@ -36,6 +36,12 @@ jobs:
     - name: Check *.md files
       run: git ls-files -z '*.md' | xargs -0 -n 1 -I {} ./node_modules/.bin/remark {} -u lint -f > /dev/null
 
+    - name: Linkcheck book
+      run: |
+        rustup toolchain install nightly --component rust-docs
+        curl https://raw.githubusercontent.com/rust-lang/rust/master/src/tools/linkchecker/linkcheck.sh -o linkcheck.sh
+        sh linkcheck.sh clippy --path ./book
+        
     - name: Build mdbook
       run: mdbook build book
 

book/src/development/lint_passes.md

@@ -50,7 +50,7 @@ questions already, but the parser is okay with it. This is what we
 mean when we say `EarlyLintPass` deals with only syntax on the AST level.
 
 Alternatively, think of the `foo_functions` lint we mentioned in
-[define new lints](define_lints.md#name-the-lint) chapter.
+define new lints <!-- FIXME: add link --> chapter.
 
 We want the `foo_functions` lint to detect functions with `foo` as their name.
 Writing a lint that only checks for the name of a function means that we only