[WIP] Test if clippy got much slower over the last few days

.travis.yml

@@ -1,11 +1,5 @@
 dist: xenial
 language: bash
-
-os:
-  - linux
-  - osx
-  - windows
-
 branches:
   # Don't build these branches
   except:
@@ -51,56 +45,14 @@ install:
 matrix:
   fast_finish: true
   include:
-    # Builds that are executed for every PR
-    - os: osx # run base tests on both platforms
-      env: BASE_TESTS=true
-    - os: linux
-      env: BASE_TESTS=true
-    - os: windows
-      env: CARGO_INCREMENTAL=0 BASE_TESTS=true OS_WINDOWS=true
-
     # Builds that are only executed when a PR is r+ed or a try build is started
     # We don't want to run these always because they go towards
     # the build limit within the Travis rust-lang account.
     # The jobs are approximately sorted by execution time
-    - env: INTEGRATION=rust-lang/cargo
-      if: repo =~ /^rust-lang\/rust-clippy$/ AND branch IN (auto, try)
-    - env: INTEGRATION=rust-lang-nursery/chalk
-      if: repo =~ /^rust-lang\/rust-clippy$/ AND branch IN (auto, try)
-    - env: INTEGRATION=rust-lang/rls
-      if: repo =~ /^rust-lang\/rust-clippy$/ AND branch IN (auto, try)
-    - env: INTEGRATION=Geal/nom
-      if: repo =~ /^rust-lang\/rust-clippy$/ AND branch IN (auto, try)
-    - env: INTEGRATION=rust-lang/rustfmt
-      if: repo =~ /^rust-lang\/rust-clippy$/ AND branch IN (auto, try)
-    - env: INTEGRATION=hyperium/hyper
-      if: repo =~ /^rust-lang\/rust-clippy$/ AND branch IN (auto, try)
-    - env: INTEGRATION=bluss/rust-itertools
-      if: repo =~ /^rust-lang\/rust-clippy$/ AND branch IN (auto, try)
-    - env: INTEGRATION=serde-rs/serde
-      if: repo =~ /^rust-lang\/rust-clippy$/ AND branch IN (auto, try)
-    - env: INTEGRATION=rust-lang-nursery/stdsimd
-      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
-      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)
     - env: INTEGRATION=rust-lang-nursery/failure
-      if: repo =~ /^rust-lang\/rust-clippy$/ AND branch IN (auto, try)
     - env: INTEGRATION=rust-lang-nursery/log
-      if: repo =~ /^rust-lang\/rust-clippy$/ AND branch IN (auto, try)
-    - env: INTEGRATION=chronotope/chrono
-      if: repo =~ /^rust-lang\/rust-clippy$/ AND branch IN (auto, try)
-  allow_failures:
-    - os: windows
-      env: CARGO_INCREMENTAL=0 BASE_TESTS=true OS_WINDOWS=true
-  # prevent these jobs with default env vars
-  exclude:
-    - os: linux
-    - os: osx
-    - os: windows
 
 before_script:
   - |

ci/integration-tests.sh

@@ -5,20 +5,27 @@ if [[ -z "$INTEGRATION" ]]; then
     exit 0
 fi
 
+CARGO_TARGET_DIR=$(pwd)/target
+export CARGO_TARGET_DIR
+
 rm ~/.cargo/bin/cargo-clippy
 cargo install --force --debug --path .
 
 echo "Running integration test for crate ${INTEGRATION}"
 
-git clone --depth=1 "https://github.com/${INTEGRATION}.git" checkout
+git clone --single-branch --depth=1 "https://github.com/${INTEGRATION}.git" checkout
 cd checkout || exit 1
+rm -rf .git/
 
 # 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 \
-    -- --cap-lints warn -W clippy::pedantic -W clippy::nursery \
+    -- \
+    --cap-lints warn \
+    -W clippy::pedantic \
+    -W clippy::nursery \
     2>& 1 \
 | tee clippy_output