test.pl

#!/usr/bin/perl
use Mojo::Base -strict;
use Mojo::UserAgent;
use Mojo::IOLoop;

my $ua = Mojo::UserAgent->new(max_redirects => 10);
my $delay = Mojo::IOLoop->delay(sub {
  my ($delay, $mojo, $minion) = @_; # Figure this magic voodoo out... 
  say $mojo->req->url . " -> " . $mojo->res->code;
  say $minion->req->url . " -> " . $minion->res->code;
});
$ua->get('http://slashdot.org'   => $delay->begin);
$ua->get('https://www.google.com' => $delay->begin);
$ua->get('http://www.cnn.com' => $delay->begin);
$delay->wait;

so in this example, $mojo is the Mojo::Transaction object that results from the slashdot request, $minion is similarly the tx from the google request and the cnn one gets missed entirely.

see https://gist.github.com/jberger/2bddc3e21067abfef234