diff --git a/.travis.yml b/.travis.yml
index 9d6c7df..bc7070a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,11 +18,10 @@ os:
 
 rust:
     - 1.8.0
+    - 1.9.0
     - nightly
 
 env:
-    global:
-        - TRAVIS_CARGO_NIGHTLY_FEATURE=bench
     matrix:
         - ARCH=x86_64
         - ARCH=i686
@@ -30,7 +29,8 @@ env:
 matrix:
     allow_failures:
         - env: ARCH=i686
-        # FIXME: all i686 build panics with the message "Box<Any>", cause all `should_panic` tests to fail.
+          rust: 1.8.0
+        # Note: on 1.8.0, all i686 build panics with the message "Box<Any>", cause all `should_panic` tests to fail.
 
 install:
     - if [ "$TRAVIS_OS_NAME" = 'linux' ]; then OS=unknown-linux-gnu; else OS=apple-darwin; fi
@@ -43,13 +43,13 @@ install:
             mv "rust-$TRAVIS_RUST_VERSION-$HOST/rust-std-$HOST/lib/rustlib/$HOST" "$SYSROOT/lib/rustlib"
         fi
 
-before_script:
-    - pip install 'travis-cargo<0.2' --user
-    - export PATH=$HOME/.local/bin:$HOME/Library/Python/2.7/bin:$PATH
-
 script:
     - cargo test --target "$HOST"
-    - travis-cargo bench -- --target "$HOST"
+    - if [ "$TRAVIS_RUST_VERSION" = 'nightly' ]; then cargo bench --target "$HOST" --features bench; fi
 
 after_success:
-    - travis-cargo coveralls --no-sudo --verify
+    - export PATH=$HOME/.cargo/bin:$HOME/.local/bin:$PATH
+    - cargo install cargo-kcov
+    - cargo kcov --print-install-kcov-sh | bash
+    - cargo kcov --target "$HOST" --coveralls -- --verify
+
diff --git a/Cargo.toml b/Cargo.toml
index 7162709..a8b40ec 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,7 +2,7 @@
 name = "qrcode"
 description = "QR code encoder in Rust"
 license = "Apache-2.0"
-version = "0.1.7"
+version = "0.1.8"
 authors = ["kennytm <kennytm@gmail.com>"]
 keywords = ["qrcode"]
 repository = "https://github.com/kennytm/qrcode-rust"