+ run(\@cmd, \undef, \my $output, \my $error);
+ die("error message:\n $error\n") if $error;
+ $? == 0 or die "exit status ", $? >> 8, "\n";
+ length $output or die "empty output\n";
+ return 1;
+ }, $name) or diag("Failed command\n@cmd\nfrom $filename line $.: $@");