Try to get things working again

.travis.yml

@@ -39,13 +39,7 @@ script:
   - if [ $BUILD_KIND = DEBUG ]; then (cargo test --all --verbose); fi
   - if [ $BUILD_KIND = RELEASE ]; then (cargo test --all --verbose); fi
   - if [ $BUILD_KIND = DEBUG ]; 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 &&
-                                        sudo make install); fi
+                                        sudo make install); fi  
   - if [ $BUILD_KIND = DEBUG ]; then (cd wrench && mkdir cov && python headless.py --subpixel-aa reftest); fi
   - if [ $BUILD_KIND = RELEASE ]; then (cd wrench && cargo build --release --features=debugger); fi
   - if [ $TRAVIS_RUST_VERSION == "nightly" ]; then (cd webrender && cargo bench --verbose); fi

wrench/headless.py

@@ -67,8 +67,4 @@ def set_osmesa_env(bin_path):
 
 subprocess.check_call(['cargo', 'build', '--release', '--verbose', '--features', 'headless'])
 set_osmesa_env('../target/release/')
-subprocess.check_call(['kcov', '--verify', 'cov/out',
-                               '--include-path', '../webrender',
-                               '--coveralls-id', os.environ['TRAVIS_JOB_ID'],
-                               '../target/release/wrench', '-h']
-                               + sys.argv[1:])
+subprocess.check_call(['../target/release/wrench', '-h'] + sys.argv[1:])