Error building with `rustc 1.78.0-nightly`: unknown feature `stdsimd`

[josecelano]

There is an error building with the latest rust version:

error[E0635]: unknown feature `stdsimd`
  --> /home/josecelano/.cargo/registry/src/index.crates.io-6f17d22bba15001f/ahash-0.8.6/src/lib.rs:99:42
   |
99 | #![cfg_attr(feature = "stdsimd", feature(stdsimd))]
   |                                          ^^^^^^^

error[E0635]: unknown feature `stdsimd`
  --> /home/josecelano/.cargo/registry/src/index.crates.io-6f17d22bba15001f/ahash-0.7.7/src/lib.rs:33:42
   |
33 | #![cfg_attr(feature = "stdsimd", feature(stdsimd))]
   |                                          ^^^^^^^

    Checking bytemuck v1.14.0
For more information about this error, try `rustc --explain E0635`.
error: could not compile `ahash` (lib) due to 1 previous error
warning: build failed, waiting for other jobs to finish...
error: could not compile `ahash` (lib) due to 1 previous error
error: could not compile `ahash` (lib) due to 1 previous error

The issue is tracked here.

[josecelano]

It works with the stable:

stable-x86_64-unknown-linux-gnu (default)
rustc 1.75.0 (82e1608df 2023-12-21)

[josecelano]

It was fixed. Working with:

rustc 1.78.0-nightly (3406ada96 2024-02-21)