CI: Build docs for all crates

.github/workflows/build.yml

@@ -409,24 +409,23 @@ jobs:
         run: pip install git+https://github.com/linkchecker/linkchecker.git
 
       - name: Remove cargo-config
-        working-directory: ./rtic
         run: rm -f .cargo/config
 
-      - name: Fail on warnings
-        working-directory: ./rtic
-        run: sed -i 's,//deny_warnings_placeholder_for_ci,#![deny(warnings)],' src/lib.rs
-
       - name: Build docs
-        working-directory: ./rtic
         run: cargo doc
 
       - name: Check links
-        working-directory: ./rtic
         run: |
           td=$(mktemp -d)
           cp -r target/doc $td/api
-          linkchecker $td/api/rtic/
+          linkchecker $td/api/rtic
           linkchecker $td/api/rtic_macros/
+          linkchecker $td/api/rtic-arbiter/
+          linkchecker $td/api/rtic-channel/
+          linkchecker $td/api/rtic-common/
+          linkchecker $td/api/rtic-macros/
+          linkchecker $td/api/rtic-monotonics/
+          linkchecker $td/api/rtic-time/
 
   # Build the books
   mdbook: