Include latest error in AllAttemptsErrored

  $ git grep AllAttemptsErrored
  src/client.rs:                        return Err(Error::AllAttemptsErrored(errors));
  src/client.rs:                                        return Err(Error::AllAttemptsErrored(errors));
fixed here
  src/raw_client.rs:    Err(Error::AllAttemptsErrored(errors))
already correctly collected
  src/types.rs:    AllAttemptsErrored(Vec<Error>),
  src/types.rs:            Error::AllAttemptsErrored(errors) => {
consumers

Closes #186

Author: nabijaczleweli

src/client.rs

@@ -57,6 +57,7 @@ macro_rules! impl_inner_call {
 
                     if retries_exhausted(failed_attempts, $self.config.retry()) {
                         warn!("call '{}' failed after {} attempts", stringify!($name), failed_attempts);
+                        errors.push(e);
                         return Err(Error::AllAttemptsErrored(errors));
                     }
 
@@ -81,6 +82,7 @@ macro_rules! impl_inner_call {
 
                                     if retries_exhausted(failed_attempts, $self.config.retry()) {
                                         warn!("re-creating client failed after {} attempts", failed_attempts);
+                                        errors.push(e);
                                         return Err(Error::AllAttemptsErrored(errors));
                                     }