cargo install wimp fails on Ubuntu 20.04

[cayhorstmann]

cargo install wimp fails with the following error:

error[E0507]: cannot move out of `*self` which is behind a shared reference
   --> /home/cay/.cargo/registry/src/github.com-1ecc6299db9ec823/async-mutex-1.4.0/src/lib.rs:267:30
    |
267 |         if let Some(guard) = self.try_lock_arc() {
    |                              ^^^^ move occurs because `*self` has type `std::sync::Arc<Mutex<T>>`, which does not implement the `Copy` trait

error[E0308]: mismatched types
   --> /home/cay/.cargo/registry/src/github.com-1ecc6299db9ec823/async-mutex-1.4.0/src/lib.rs:410:9
    |
409 |     pub fn source(guard: &MutexGuardArc<T>) -> Arc<Mutex<T>> {
    |                                                ------------- expected `std::sync::Arc<Mutex<T>>` because of return type
410 |         &guard.0
    |         ^^^^^^^^
    |         |
    |         expected struct `std::sync::Arc`, found reference
    |         help: consider removing the borrow: `guard.0`
    |
    = note: expected struct `std::sync::Arc<Mutex<T>>`
            found reference `&std::sync::Arc<Mutex<T>>`

I have rust/cargo version 1.46.0

[yshui]

Does this still happen?