Revert "use grcov"

This reverts commit 9dffaa5133.

.travis.yml

@@ -1,9 +1,5 @@
 language: rust
 sudo: required
-
-before_install:
-  - curl -L https://github.com/mozilla/grcov/releases/latest/download/grcov-linux-x86_64.tar.bz2 | tar jxf -
-
 rust:
   - stable
   - beta
@@ -27,26 +23,17 @@ addons:
       - binutils-dev
       - libiberty-dev
 
-#after_success: |
+after_success: |
-#  wget https://github.com/SimonKagstrom/kcov/archive/master.tar.gz &&
+  wget https://github.com/SimonKagstrom/kcov/archive/master.tar.gz &&
-#  tar xzf master.tar.gz &&
+  tar xzf master.tar.gz &&
-#  cd kcov-master &&
+  cd kcov-master &&
-#  mkdir build &&
+  mkdir build &&
-#  cd build &&
+  cd build &&
-#  cmake .. &&
+  cmake .. &&
-#  make &&
+  make &&
-#  make install DESTDIR=../../kcov-build &&
+  make install DESTDIR=../../kcov-build &&
-#  cd ../.. &&
+  cd ../.. &&
-#  rm -rf kcov-master &&
+  rm -rf kcov-master &&
-#  for file in target/debug/hls_m3u8-*[^\.d]; 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 &&
+  for file in target/debug/hls_m3u8-*[^\.d]; 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) &&
+  bash <(curl -s https://codecov.io/bash) &&
-#  echo "Uploaded code coverage"
+  echo "Uploaded code coverage"
-script:
-    - export CARGO_INCREMENTAL=0
-    - export RUSTFLAGS="-Zprofile -Ccodegen-units=1 -Cinline-threshold=0 -Clink-dead-code -Coverflow-checks=off -Zno-landing-pads"
-    - cargo build --verbose $CARGO_OPTIONS
-    - cargo test --verbose $CARGO_OPTIONS
-    - |
-      zip -0 ccov.zip `find . \( -name "hls_m3u8*.gc*" \) -print`;
-      ./grcov ccov.zip -s . -t lcov --llvm --branch --ignore-not-existing --ignore-dir "/*" -o lcov.info;
-      bash <(curl -s https://codecov.io/bash) -f lcov.info;