1.0 doesn't compile in stable channel

[kkolyan]

Cargo.toml:

[package]
name = "bug"
version = "0.1.0"
edition = "2021"

[dependencies]
anyhow = "1.0"

main.rs:

fn main() {
    println!("Hello, world!");
}

action:

cargo build

output:

error[E0554]: `#![feature]` may not be used on the stable release channel
   --> C:\Users\kkolyan\.cargo\registry\src\github.com-1ecc6299db9ec823\anyhow-1.0.66\src\lib.rs:214:32
214 | #![cfg_attr(backtrace, feature(error_generic_member_access, provide_any))]
    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^

error[E0554]: `#![feature]` may not be used on the stable release channel
   --> C:\Users\kkolyan\.cargo\registry\src\github.com-1ecc6299db9ec823\anyhow-1.0.66\src\lib.rs:214:61
    |
    |
214 | #![cfg_attr(backtrace, feature(error_generic_member_access, provide_any))]
    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^

error[E0554]: `#![feature]` may not be used on the stable release channel
   --> C:\Users\kkolyan\.cargo\registry\src\github.com-1ecc6299db9ec823\anyhow-1.0.66\src\lib.rs:214:61
    |
214 | #![cfg_attr(backtrace, feature(error_generic_member_access, provide_any))]
    |                                                             ^^^^^^^^^^^

[dtolnay]

Duplicate of #250.