diff --git a/.travis.yml b/.travis.yml
index 53af848a86d7..046b30f54da5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,11 +1,6 @@
 dist: xenial
 language: bash
 
-os:
-  - linux
-  - osx
-  - windows
-
 branches:
   # Don't build these branches
   except:
@@ -51,14 +46,6 @@ 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.
@@ -84,23 +71,14 @@ matrix:
     - 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:
   - |
diff --git a/ci/integration-tests.sh b/ci/integration-tests.sh
index 6ba9a284c504..753afec9de7d 100755
--- a/ci/integration-tests.sh
+++ b/ci/integration-tests.sh
@@ -5,13 +5,17 @@ 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/${INTEGRATION}.git" checkout
-cd checkout || exit 1
+mkdir -p "checkout/$INTEGRATION"
+curl -sSL "https://github.com/$INTEGRATION/archive/master.tar.gz" | tar -xzf - -C "checkout/$INTEGRATION"
+cd "checkout/$INTEGRATION" || exit 1
 
 # run clippy on a project, try to be verbose and trigger as many warnings as possible for greater coverage
 RUST_BACKTRACE=full \