pass manifest path to integration test of crates having virtual workspace

Author: tesuji

.travis.yml

@@ -77,13 +77,13 @@ matrix:
       if: repo =~ /^rust-lang\/rust-clippy$/ AND branch IN (auto, try)
     - env: INTEGRATION=bluss/rust-itertools
       if: repo =~ /^rust-lang\/rust-clippy$/ AND branch IN (auto, try)
-    - env: INTEGRATION=serde-rs/serde
+    - env: INTEGRATION=serde-rs/serde MANIFEST_PATH=serde/Cargo.toml
       if: repo =~ /^rust-lang\/rust-clippy$/ AND branch IN (auto, try)
-    - env: INTEGRATION=rust-lang-nursery/stdsimd
+    - env: INTEGRATION=rust-lang-nursery/stdsimd MANIFEST_PATH=crates/core_arch/Cargo.toml
       if: repo =~ /^rust-lang\/rust-clippy$/ AND branch IN (auto, try)
     - env: INTEGRATION=rust-random/rand
       if: repo =~ /^rust-lang\/rust-clippy$/ AND branch IN (auto, try)
-    - env: INTEGRATION=rust-lang-nursery/futures-rs
+    - env: INTEGRATION=rust-lang-nursery/futures-rs MANIFEST_PATH=futures/Cargo.toml
       if: repo =~ /^rust-lang\/rust-clippy$/ AND branch IN (auto, try)
     - env: INTEGRATION=Marwes/combine
       if: repo =~ /^rust-lang\/rust-clippy$/ AND branch IN (auto, try)

ci/integration-tests.sh

@@ -13,20 +13,25 @@ echo "Running integration test for crate ${INTEGRATION}"
 git clone --depth=1 "https://github.com/${INTEGRATION}.git" checkout || exit 1
 cd checkout || exit 1
 
+MANIFEST_OPTS=()
+if [[ -n "$MANIFEST_PATH" ]]; then
+    MANIFEST_OPTS=("--manifest-path=$MANIFEST_PATH")
+fi
+
 # run clippy on a project, try to be verbose and trigger as many warnings as possible for greater coverage
 RUST_BACKTRACE=full \
 cargo clippy \
     --all-targets \
     --all-features \
+    "${MANIFEST_OPTS[@]}" \
     -- \
     --cap-lints warn \
     -W clippy::pedantic \
     -W clippy::nursery \
     > clippy_output 2>&1
-ERRNO=$?
 
 cat clippy_output
 
-if grep -q "internal compiler error\|query stack during panic\|E0463" clippy_output || [[ $ERRNO -ne 0 ]]; then
+if grep -q "internal compiler error\|query stack during panic\|E0463\|--all-features is not allowed" clippy_output; then
     exit 1
 fi