Update to criterion 0.6

Author: dtolnay

Cargo.toml

@@ -12,7 +12,7 @@ repository = "https://github.com/dtolnay/unicode-ident"
 rust-version = "1.31"
 
 [dev-dependencies]
-criterion = { version = "0.5", default-features = false }
+criterion = { version = "0.6", default-features = false }
 fst = "0.4"
 rand = "0.9"
 roaring = "0.10"

benches/xid.rs

@@ -22,10 +22,11 @@ mod roaring;
 #[path = "../tests/trie/mod.rs"]
 mod trie;
 
-use criterion::{black_box, criterion_group, criterion_main, Criterion};
+use criterion::{criterion_group, criterion_main, Criterion};
 use rand::distr::{Bernoulli, Distribution, Uniform};
 use rand::rngs::SmallRng;
 use rand::SeedableRng;
+use std::hint::black_box;
 use std::time::Duration;
 
 fn gen_string(p_nonascii: u32) -> String {