Benchmark compilation error

[zamazan4ik]

Hi!

I tried to run the benchmarks for the project with cargo +nightly bench but got the following error:

   Compiling amber v0.6.0 (/home/zamazan4ik/open_source/amber)
error[E0432]: unresolved import `rand::StdRng`
 --> benches/matcher.rs:8:30
  |
8 | use rand::{Rng, SeedableRng, StdRng};
  |                              ^^^^^^ no `StdRng` in the root
  |
  = help: consider importing this struct instead:
          rand::rngs::StdRng

warning: unused import: `Rng`
 --> benches/matcher.rs:8:12
  |
8 | use rand::{Rng, SeedableRng, StdRng};
  |            ^^^
  |
  = note: `#[warn(unused_imports)]` on by default

error[E0782]: trait objects must include the `dyn` keyword
  --> benches/matcher.rs:41:31
   |
41 | fn bench(b: &mut Bencher, m: &Matcher) {
   |                               ^^^^^^^
   |
help: add `dyn` keyword before this trait
   |
41 | fn bench(b: &mut Bencher, m: &dyn Matcher) {
   |                               +++

Some errors have detailed explanations: E0432, E0782.
For more information about an error, try `rustc --explain E0432`.
warning: `amber` (bench "matcher") generated 1 warning
error: could not compile `amber` (bench "matcher") due to 2 previous errors; 1 warning emitted

Rustc version: 1.80.0-nightly
Amber version: master branch, a8a915a606043a665b322fcb30bddfeb50c591ec commit

[dalance]

Thanks!
I fixed it.

[zamazan4ik]

Thank you!