ci: Build the whole tree, not just rust bits

Otherwise, we're not testing everything. E.g. the cbindgen bits.

Closes: #1778
Approved by: cgwalters

.papr.yml

@@ -203,5 +203,7 @@ tests:
   - ci/installdeps.sh
   - yum remove -y cargo
   - curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain $RUST_MIN_VERSION -y
-  - PATH=$HOME/.cargo/bin:$PATH sh -c 'cd rust && rustc --version && cargo build' |& tee out.txt
+  - PATH=$HOME/.cargo/bin:$PATH ci/build.sh |& tee out.txt
   - grep $RUST_MIN_VERSION out.txt
+  - grep "checking for cargo... $HOME/.cargo/bin/cargo" out.txt
+  - grep "checking for rustc... $HOME/.cargo/bin/rustc" out.txt

ci/build.sh

@@ -13,6 +13,9 @@ if ! getent passwd testuser; then
   adduser testuser
 fi
 
+# make it clear what rustc version we're compiling with (this is grepped in CI)
+rustc --version
+
 export LSAN_OPTIONS=verbosity=1:log_threads=1
 # And now the build
 build --enable-installed-tests --enable-gtk-doc ${CONFIGOPTS:-}