Add travis build.

Also, allow the new lint proc_macro_derive_resolution_fallback, which
otherwise breaks diesel in current beta and nightly.

.travis.yml

@@ -0,0 +1,13 @@
+language: rust
+rust:
+ - stable
+ - beta
+cache: cargo
+before_script:
+ - cargo update || true
+matrix:
+  include:
+   - rust: nightly
+     env: TASK=rustfmt
+     before_script: rustup component add rustfmt-preview
+     script: cargo fmt -- --check

Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "warp-db-session"
+name = "warp-diesel-ructe-sample"
 version = "0.1.0"
 authors = ["Rasmus Kaj <kaj@kth.se>"]
 

README.md

@@ -3,3 +3,5 @@
 This application is intended as an example of handling a login
 session, using the warp web framework, the ructe template engine and
 the diesel database layer.
+
+[![Build Status](https://travis-ci.org/kaj/warp-diesel-ructe-sample.svg?branch=master)](https://travis-ci.org/kaj/warp-diesel-ructe-sample)

src/main.rs

@@ -1,5 +1,9 @@
 //! An example web service using ructe with the warp framework.
 #![deny(warnings)]
+// The new lint proc_macro_derive_resolution_fallback breaks diesel.
+// Current stable rustc (1.28.0) does not have the lint, so ignore unknowns.
+#![allow(unknown_lints)]
+#![allow(proc_macro_derive_resolution_fallback)]
 extern crate bcrypt;
 #[macro_use]
 extern crate diesel;