code coverage plz

.travis.yml

@@ -1,4 +1,7 @@
 language: rust
+
+sudo: required
+
 rust:
   - stable
   - beta
@@ -17,6 +20,28 @@ addons:
       - gcc
       - binutils-dev
       - libiberty-dev
+
+script:
+  - cargo build --verbose
+  - cargo test --verbose
+
 after_success: |
-  ./.ci/travis-upload-coverage.sh
-  echo "Uploaded code coverage"
+  if [[ "$TRAVIS_RUST_VERSION" == "stable" ]]; then
+    wget https://github.com/SimonKagstrom/kcov/archive/master.tar.gz &&
+    tar xzf master.tar.gz &&
+    cd kcov-master &&
+    mkdir build &&
+    cd build &&
+    cmake .. &&
+    make &&
+    make install DESTDIR=../../kcov-build &&
+    cd ../.. &&
+    rm -rf kcov-master &&
+    for file in $(cargo test --no-run --message-format=json | jq -r "select(.profile.test == true) | .filenames[]"); 
+    do 
+      mkdir -p "target/cov/$(basename $file)"; 
+      ./kcov-build/usr/local/bin/kcov --exclude-pattern=/.cargo,/usr/lib --verify "target/cov/$(basename $file)" "$file";
+    done &&
+    bash <(curl -s https://codecov.io/bash) &&
+    echo "Uploaded code coverage"
+  fi