cargo install have compilation fail in mac

[alex-left]

mac os: 14.14 rust version:

cargo 1.44.0 (05d080faa 2020-05-06)
rustc 1.44.0 (49cae5576 2020-06-01)
rustup 1.21.1 (7832b2ebe 2019-12-20)

error[E0308]: mismatched types
   --> .cargo/registry/src/github.com-1ecc6299db9ec823/click-0.5.0/src/kube.rs:484:21
    |
484 |                     client_cert_key.certs.clone(),
    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `rustls::key::Certificate`, found struct `rustls::Certificate`
    |
    = note: expected struct `std::vec::Vec<rustls::key::Certificate>`
               found struct `std::vec::Vec<rustls::Certificate>`
    = note: perhaps two different versions of crate `rustls` are being used?

error[E0308]: mismatched types
   --> .cargo/registry/src/github.com-1ecc6299db9ec823/click-0.5.0/src/kube.rs:485:21
    |
485 |                     client_cert_key.key.clone(),
    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `rustls::key::PrivateKey`, found struct `rustls::PrivateKey`
    |
    = note: perhaps two different versions of crate `rustls` are being used?

error[E0599]: no method named `dangerous` found for mutable reference `&mut rustls::client::ClientConfig` in the current scope
   --> .cargo/registry/src/github.com-1ecc6299db9ec823/click-0.5.0/src/kube.rs:490:21
    |
490 |                 cfg.dangerous()
    |                     ^^^^^^^^^ method not found in `&mut rustls::client::ClientConfig`

error: aborting due to 3 previous errors

Some errors have detailed explanations: E0308, E0599.
For more information about an error, try `rustc --explain E0308`.

the same error with 0.5.1 version

[zachschuermann]

I was just able to replicate. Looks like something is pulling in rustls 0.17 instead of 0.16. As a simple workaround, you should be able to build from source for now. I'm looking into this in the meantime.

[alex-left]

yes, from the source I can compile it without problems. Thanks.