Switch builds to travis

Author: sfackler

.travis.yml

@@ -11,14 +11,13 @@ The generated code requires rust-postgres 0.14 or 0.15 and Rust 1.15.0 or higher
 
 Simply depend on the `postgres-derive` crate and register it as a plugin:
 
-
 Cargo.toml
 ```toml
 # ...
 
 [dependencies]
 postgres-derive = "0.3"
-postgres = "0.14"
+postgres = "0.15"
 ```
 
 lib.rs

README.md

@@ -0,0 +1,26 @@
+version: 2
+jobs:
+  build:
+    working_directory: ~/build
+    docker:
+      - image: jimmycuadra/rust:1.19.0
+      - image: postgres:9.6
+        environment:
+          POSTGRES_PASSWORD: password
+    steps:
+      - checkout
+      - restore_cache:
+          key: registry
+      - run: cargo generate-lockfile
+      - save_cache:
+          key: registry-{{ epoch }}
+          paths:
+            - ~/.cargo/registry/index
+      - restore_cache:
+          key: dependencies-1.19-{{ checksum "Cargo.lock" }}
+      - run: cargo test
+      - save_cache:
+          key: dependencies-1.19-{{ checksum "Cargo.lock" }}
+          paths:
+            - target
+            - ~/.cargo/registry/cache