could not update anchor cli version 0.27.0 due to compiling enum-iterator-1.4.0 error

[KKQanT]

Compiling tracing v0.1.37
error[E0658]: use of unstable library feature 'array_from_fn'
--> /root/.cargo/registry/src/jackfan.us.kg-1ecc6299db9ec823/enum-iterator-1.4.0/src/lib.rs:586:18
|
586 | Some(core::array::from_fn(|_| unreachable!()))
| ^^^^^^^^^^^^^^^^^^^^
|
= note: see issue #89379 rust-lang/rust#89379 for more information

error[E0658]: use of unstable library feature 'array_from_fn'
--> /root/.cargo/registry/src/jackfan.us.kg-1ecc6299db9ec823/enum-iterator-1.4.0/src/lib.rs:589:18
|
589 | Some(core::array::from_fn(|_| x.clone()))
| ^^^^^^^^^^^^^^^^^^^^
|
= note: see issue #89379 rust-lang/rust#89379 for more information

error[E0658]: use of unstable library feature 'array_from_fn'
--> /root/.cargo/registry/src/jackfan.us.kg-1ecc6299db9ec823/enum-iterator-1.4.0/src/lib.rs:595:18
|
595 | Some(core::array::from_fn(|_| unreachable!()))
| ^^^^^^^^^^^^^^^^^^^^
|
= note: see issue #89379 rust-lang/rust#89379 for more information

error[E0658]: use of unstable library feature 'array_from_fn'
--> /root/.cargo/registry/src/jackfan.us.kg-1ecc6299db9ec823/enum-iterator-1.4.0/src/lib.rs:598:18
|
598 | Some(core::array::from_fn(|_| x.clone()))
| ^^^^^^^^^^^^^^^^^^^^
|
= note: see issue #89379 rust-lang/rust#89379 for more information

error[E0658]: use of unstable library feature 'bool_to_option'
--> /root/.cargo/registry/src/jackfan.us.kg-1ecc6299db9ec823/enum-iterator-1.4.0/src/lib.rs:454:18
|
454 | (!*self).then_some(true)
| ^^^^^^^^^
|
= note: see issue #80967 rust-lang/rust#80967 for more information

error[E0658]: use of unstable library feature 'bool_to_option'
--> /root/.cargo/registry/src/jackfan.us.kg-1ecc6299db9ec823/enum-iterator-1.4.0/src/lib.rs:458:17
|
458 | (*self).then_some(false)
| ^^^^^^^^^
|
= note: see issue #80967 rust-lang/rust#80967 for more information

For more information about this error, try rustc --explain E0658.
error: could not compile enum-iterator due to 6 previous errors
warning: build failed, waiting for other jobs to finish...
error: failed to compile anchor-cli v0.27.0 (https://github.com/coral-xyz/anchor?tag=v0.27.0#3b451447), intermediate artifacts can be found at /tmp/cargo-installtj6n1W

Caused by:
build failed
Error: Failed to install 0.27.0, is it a valid version?

[acheroncrypto]

This is fixed in 0.28.0.