output

$ perl test.pl 
'R2' requires the method 'foo' to be implemented by 'X' at /usr/lib/perl5/Moose/Meta/Role/Application.pm line 53
	Moose::Meta::Role::Application::apply('Moose::Meta::Role::Application::ToClass=HASH(0x11888f0)', 'Moose::Meta::Role=HASH(0x1176310)', 'Moose::Meta::Class=HASH(0x1176300)') called at /usr/lib/perl5/Moose/Meta/Role/Application/ToClass.pm line 33
	Moose::Meta::Role::Application::ToClass::apply('Moose::Meta::Role::Application::ToClass=HASH(0x11888f0)', 'Moose::Meta::Role=HASH(0x1176310)', 'Moose::Meta::Class=HASH(0x1176300)', 'HASH(0x117ca00)') called at /usr/lib/perl5/Moose/Meta/Role.pm line 490
	Moose::Meta::Role::apply('Moose::Meta::Role=HASH(0x1176310)', 'Moose::Meta::Class=HASH(0x1176300)') called at /usr/lib/perl5/Moose/Util.pm line 139
	Moose::Util::_apply_all_roles('Moose::Meta::Class=HASH(0x1176300)', 'undef', 'R2') called at /usr/lib/perl5/Moose/Util.pm line 93
	Moose::Util::apply_all_roles('Moose::Meta::Class=HASH(0x1176300)', 'R2') called at /usr/lib/perl5/Moose.pm line 60
	Moose::with('Moose::Meta::Class=HASH(0x1176300)', 'R2') called at /usr/lib/perl5/Moose/Exporter.pm line 365
	Moose::with('R2') called at test.pl line 17

test.pl

#!/usr/bin/perl

package R;

use Moose::Role;
requires "foo";

package R2;

use Moose::Role;
with "R", { -excludes => "foo" };
has "foo" => (is => "ro");

package X;

use Moose;
with "R2";