message: small clean up for the cache of the example url
diff: @@ -60,14 +60,9 @@ trait ToDep {
  fn to_dep(self) -> Dependency;
  }
  -lazy_static! {
  - static ref EXAMPLE_DOT_COM: ::url::Url = "http://example.com".to_url().unwrap();
  -}
  -
  impl ToDep for &'static str {
  fn to_dep(self) -> Dependency {
  - let source_id = SourceId::for_registry(&EXAMPLE_DOT_COM).unwrap();
  - Dependency::parse_no_deprecated(self, Some("1.0.0"), &source_id).unwrap()
  + Dependency::parse_no_deprecated(self, Some("1.0.0"), &registry_loc()).unwrap()
  }
  }
  @@ -112,7 +107,10 @@ macro_rules! pkg {
  }
  fn registry_loc() -> SourceId {
  - SourceId::for_registry(&EXAMPLE_DOT_COM).unwrap()
  + lazy_static! {
  + static ref EXAMPLE_DOT_COM: SourceId = SourceId::for_registry(&"http://example.com".to_url().unwrap()).unwrap();
  + }
  + EXAMPLE_DOT_COM.clone()
  }
  fn pkg<T: ToPkgId>(name: T) -> Summary {
  @@ -160,8 +158,7 @@ fn dep(name: &str) -> Dependency {
  dep_req(name, "1.0.0")
  }
  fn dep_req(name: &str, req: &str) -> Dependency {
  - let source_id = SourceId::for_registry(&EXAMPLE_DOT_COM).unwrap();
  - Dependency::parse_no_deprecated(name, Some(req), &source_id).unwrap()
  + Dependency::parse_no_deprecated(name, Some(req), &registry_loc()).unwrap()
  }
  fn dep_loc(name: &str, location: &str) -> Dependency {
  