What does this Zig snippet output?

1const std = @import("std");
2pub fn main() void {
3    const x: u32 = 0b10110;
4    const mask: u5 = @truncate(x);
5    std.debug.print("{d}\n", .{mask});
6    std.debug.print("{b:0>5}\n", .{mask});
7}