Release tokio v0.1.20, tokio-timer v0.2.21, and remove async-await-preview feature. (#1089)

The `async-await-preview` feature is removed as 0.1 will no longer track
Rust nightly.

This also bumps:
- tokio-timer (0.2.11).

3 files changed, 14 insertions, 35 deletions

diff --git a/tokio/CHANGELOG.md b/tokio/CHANGELOG.md
index 7ba62581..afb0f934 100644
--- a/tokio/CHANGELOG.md
+++ b/tokio/CHANGELOG.md
@@ -1,6 +1,17 @@
 This changelog only applies to the `tokio` crate proper. Each sub crate
 maintains its own changelog tracking changes made in each respective sub crate.
 
+# 0.1.20 (May 14, 2019)
+
+### Added
+- `tokio::runtime::Builder::panic_handler` allows configuring handling
+  panics on the runtime (#1055).
+
+# 0.1.19 (April 22, 2019)
+
+### Added
+- Re-export `tokio::sync::Mutex` primitive (#964).
+
 # 0.1.18 (March 22, 2019)
 
 ### Added
diff --git a/tokio/Cargo.toml b/tokio/Cargo.toml
index 085e4d1a..33d3f3d2 100644
--- a/tokio/Cargo.toml
+++ b/tokio/Cargo.toml
@@ -8,11 +8,11 @@ name = "tokio"
 #   - README.md
 # - Update CHANGELOG.md.
 # - Create "v0.1.x" git tag.
-version = "0.1.19"
+version = "0.1.20"
 authors = ["Carl Lerche <me@carllerche.com>"]
 license = "MIT"
 readme = "README.md"
-documentation = "https://docs.rs/tokio/0.1.19/tokio/"
+documentation = "https://docs.rs/tokio/0.1.20/tokio/"
 repository = "https://github.com/tokio-rs/tokio"
 homepage = "https://tokio.rs"
 description = """
@@ -55,13 +55,6 @@ timer = ["tokio-timer"]
 udp = ["tokio-udp"]
 uds = ["tokio-uds"]
 
-# This feature comes with no promise of stability. Things will
-# break with each patch release. Use at your own risk.
-async-await-preview = [
-  "tokio-futures/async-await-preview",
-  "tokio-macros/async-await-preview",
-]
-
 [dependencies]
 # Only non-optional dependency...
 futures = "0.1.20"
@@ -74,7 +67,6 @@ tokio-current-thread = { version = "0.1.6", optional = true }
 tokio-fs = { version = "0.1.6", optional = true }
 tokio-io = { version = "0.1.6", optional = true }
 tokio-executor = { version = "0.1.7", optional = true }
-tokio-macros = { version = "0.1.0", optional = true, path = "../tokio-macros" }
 tokio-reactor = { version = "0.1.1", optional = true }
 tokio-sync = { version = "0.1.5", optional = true }
 tokio-threadpool = { version = "0.1.14", optional = true }
@@ -86,9 +78,6 @@ tokio-trace-core = { version = "0.1", optional = true }
 # Needed until `reactor` is removed from `tokio`.
 mio = { version = "0.6.14", optional = true }
 
-# Needed for async/await preview support
-tokio-futures = { version = "0.1.0", optional = true, path = "../tokio-futures" }
-
 [target.'cfg(unix)'.dependencies]
 tokio-uds = { version = "0.2.1", optional = true }
 
diff --git a/tokio/src/lib.rs b/tokio/src/lib.rs
index 872f23cd..9efe7429 100644
--- a/tokio/src/lib.rs
+++ b/tokio/src/lib.rs
@@ -1,6 +1,5 @@
-#![doc(html_root_url = "https://docs.rs/tokio/0.1.19")]
+#![doc(html_root_url = "https://docs.rs/tokio/0.1.20")]
 #![deny(missing_docs, warnings, missing_debug_implementations)]
-#![cfg_attr(feature = "async-await-preview", feature(async_await, await_macro))]
 
 //! A runtime for writing reliable, asynchronous, and slim applications.
 //!
@@ -136,23 +135,3 @@ if_runtime! {
     pub use executor::spawn;
     pub use runtime::run;
 }
-
-// ===== Experimental async/await support =====
-
-#[cfg(feature = "async-await-preview")]
-extern crate tokio_futures;
-
-#[cfg(feature = "async-await-preview")]
-extern crate tokio_macros;
-
-#[cfg(feature = "async-await-preview")]
-mod async_await;
-
-#[cfg(feature = "async-await-preview")]
-pub use async_await::{run_async, spawn_async};
-
-#[cfg(feature = "async-await-preview")]
-pub use tokio_futures::await;
-
-#[cfg(feature = "async-await-preview")]
-pub use tokio_macros::{main, test};