error[E0425]: cannot find function `spin_loop_hint` in module `atomic`
    --> /usr/local/cargo/registry/src/github.com-1ecc6299db9ec823/arc-swap-0.3.6/src/lib.rs:1049:25
     |
1049 |                 atomic::spin_loop_hint();
     |                         ^^^^^^^^^^^^^^ not found in `atomic`

error: the struct `#[repr(align(u16))]` attribute is experimental (see issue #33626)
  --> /usr/local/cargo/registry/src/github.com-1ecc6299db9ec823/arc-swap-0.3.6/src/debt.rs:20:1
   |
20 | / struct Node {
21 | |     next: Option<&'static Node>,
22 | |     in_use: AtomicBool,
23 | |     slots: [Debt; DEBT_SLOT_CNT],
24 | | }
   | |_^

error: non-string literals in attributes, or string literals in top-level positions, are experimental (see issue #34981)
  --> /usr/local/cargo/registry/src/github.com-1ecc6299db9ec823/arc-swap-0.3.6/src/debt.rs:19:1
   |
19 | #[repr(align(64))]
   | ^^^^^^^^^^^^^^^^^^

error: the struct `#[repr(align(u16))]` attribute is experimental (see issue #33626)
  --> /usr/local/cargo/registry/src/github.com-1ecc6299db9ec823/arc-swap-0.3.6/src/gen_lock.rs:49:1
   |
49 | pub struct Shard(pub(crate) [AtomicUsize; GEN_CNT]);
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: non-string literals in attributes, or string literals in top-level positions, are experimental (see issue #34981)
  --> /usr/local/cargo/registry/src/github.com-1ecc6299db9ec823/arc-swap-0.3.6/src/gen_lock.rs:47:1
   |
47 | #[repr(align(64))]
   | ^^^^^^^^^^^^^^^^^^

error: slice pattern syntax is experimental (see issue #23121)
    --> /usr/local/cargo/registry/src/github.com-1ecc6299db9ec823/arc-swap-0.3.6/src/lib.rs:1030:32
     |
1030 |                 .fold([0, 0], |[a1, a2], s| {
     |                                ^^^^^^^^

error: slice pattern syntax is experimental (see issue #23121)
    --> /usr/local/cargo/registry/src/github.com-1ecc6299db9ec823/arc-swap-0.3.6/src/lib.rs:1031:25
     |
1031 |                     let [v1, v2] = s.snapshot();
     |                         ^^^^^^^^

error: aborting due to 7 previous errors

error: Could not compile `arc-swap`.
warning: build failed, waiting for other jobs to finish...
error: expected one of `,` or `as`, found `::`
   --> /usr/local/cargo/registry/src/github.com-1ecc6299db9ec823/zeroize-0.5.2/src/lib.rs:212:22
    |
212 | use core::{ptr, slice::IterMut, sync::atomic};
    |                      ^^ expected one of `,` or `as` here

error: expected one of `;` or `as`, found `::`
   --> /usr/local/cargo/registry/src/github.com-1ecc6299db9ec823/zeroize-0.5.2/src/lib.rs:212:22
    |
212 | use core::{ptr, slice::IterMut, sync::atomic};
    |                      ^^ expected one of `;` or `as` here

error: aborting due to 2 previous errors

error: Could not compile `zeroize`.
warning: build failed, waiting for other jobs to finish...

error: build failed