Update to nightly-2019-02-27 and make it default (#146)

* Update to nightly-2019-03-05 and make it default

* Run rustfmt

* Rollback to nightly-2019-03-02 due to ICE

* Rollback to nightly-2019-02-27 that has clippy

* Let travis setup script install pinned nightly version

.travis.yml

@@ -1,10 +1,9 @@
 language: rust
 rust:
-  - nightly
+  - nightly-2019-02-27
 
 before_script: |
-  rustup install nightly-2019-02-21
-  rustup component add rustfmt-preview clippy-preview
+  rustup component add rustfmt clippy
 script: |
   cargo fmt --all -- --check &&
   cargo clippy --all -- -D clippy::all &&

tests/wildcard.rs

@@ -1,11 +1,9 @@
 #![feature(futures_api, async_await)]
 
-use http_service::{Body};
-use futures::{executor::block_on};
-use tide::{
-    head::{Named, NamedSegment}
-};
-use http_service_mock::{make_server};
+use futures::executor::block_on;
+use http_service::Body;
+use http_service_mock::make_server;
+use tide::head::{Named, NamedSegment};
 
 struct Number(i32);
 
@@ -27,7 +25,7 @@ async fn add_one(Named(Number(num)): Named<Number>) -> String {
 #[test]
 fn wildcard() {
     let mut app = tide::App::new(());
-    app.at("/add_one/{num}").get(add_one); 
+    app.at("/add_one/{num}").get(add_one);
     let mut server = make_server(app.into_http_service()).unwrap();
 
     let req = http::Request::get("/add_one/3")
@@ -50,7 +48,7 @@ fn wildcard() {
 #[test]
 fn invalid_segment_error() {
     let mut app = tide::App::new(());
-    app.at("/add_one/{num}").get(add_one); 
+    app.at("/add_one/{num}").get(add_one);
     let mut server = make_server(app.into_http_service()).unwrap();
 
     let req = http::Request::get("/add_one/a")
@@ -63,7 +61,7 @@ fn invalid_segment_error() {
 #[test]
 fn not_found_error() {
     let mut app = tide::App::new(());
-    app.at("/add_one/{num}").get(add_one); 
+    app.at("/add_one/{num}").get(add_one);
     let mut server = make_server(app.into_http_service()).unwrap();
 
     let req = http::Request::get("/add_one/").body(Body::empty()).unwrap();