Update lib to std-future

.travis.yml

@@ -15,10 +15,10 @@ addons:
 matrix:
   include:
   - rust: nightly
-  - rust: stable
+#  - rust: stable
     before_deploy: cargo doc --no-deps
-  allow_failures:
-    - rust: nightly
+#  allow_failures:
+#    - rust: nightly
 
 before_script:
   - cargo clean
@@ -39,8 +39,8 @@ script:
   # Run integration tests
   - cargo test -p h2-tests
 
-  # Run h2spec on stable
-  - if [ "${TRAVIS_RUST_VERSION}" = "stable" ]; then ./ci/h2spec.sh; fi
+  # Run h2spec on nightly for the time being. TODO: Change it to stable after Rust 1.38 release
+  - if [ "${TRAVIS_RUST_VERSION}" = "nightly" ]; then ./ci/h2spec.sh; fi
 
   # Check minimal versions
   - if [ "${TRAVIS_RUST_VERSION}" = "nightly" ]; then cargo clean; cargo check -Z minimal-versions; fi

Cargo.toml

@@ -41,8 +41,9 @@ members = [
 ]
 
 [dependencies]
-futures = "0.1"
-tokio-io = "0.1.4"
+futures-preview = "0.3.0-alpha.18"
+tokio-io = { git = "https://github.com/tokio-rs/tokio" }
+tokio-codec = { git = "https://github.com/tokio-rs/tokio" }
 bytes = "0.4.7"
 http = "0.1.8"
 log = "0.4.1"
@@ -64,7 +65,7 @@ serde = "1.0.0"
 serde_json = "1.0.0"
 
 # Akamai example
-tokio = "0.1.8"
+tokio = { git = "https://github.com/tokio-rs/tokio" }
 env_logger = { version = "0.5.3", default-features = false }
 rustls = "0.12"
 tokio-rustls = "0.5.0"