Bump r2d2 version

Author: sfackler

Cargo.toml

@@ -18,5 +18,5 @@ name = "test"
 path = "tests/test.rs"
 
 [dependencies]
-r2d2 = "0.4"
+r2d2 = "0.5"
 postgres = "0.6"

tests/test.rs

@@ -3,7 +3,6 @@ extern crate postgres;
 extern crate r2d2;
 extern crate r2d2_postgres;
 
-use std::default::Default;
 use std::sync::{Arc, Future};
 use std::sync::mpsc;
 
@@ -13,10 +12,7 @@ use r2d2_postgres::PostgresConnectionManager;
 #[test]
 fn test_basic() {
     let manager = PostgresConnectionManager::new("postgres://postgres@localhost", SslMode::None);
-    let config = r2d2::Config {
-        pool_size: 2,
-        ..Default::default()
-    };
+    let config = r2d2::Config::builder().pool_size(2).build();
     let handler = Box::new(r2d2::NoopErrorHandler);
     let pool = Arc::new(r2d2::Pool::new(config, manager, handler).unwrap());
 
@@ -48,11 +44,7 @@ fn test_basic() {
 #[test]
 fn test_is_valid() {
     let manager = PostgresConnectionManager::new("postgres://postgres@localhost", SslMode::None);
-    let config = r2d2::Config {
-        pool_size: 1,
-        test_on_check_out: true,
-        ..Default::default()
-    };
+    let config = r2d2::Config::builder().pool_size(1).test_on_check_out(true).build();
     let handler = Box::new(r2d2::NoopErrorHandler);
     let pool = r2d2::Pool::new(config, manager, handler).unwrap();