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Kyle Strand commented on ARROW-6718: ------------------------------------ The library used by Arrow, `packed_simd`, is [no longer maintained|https://github.com/rust-lang/packed_simd#the-cratesio-version-can-no-longer-be-updated]. It appears that the intended replacement, [`stdsimd`|https://github.com/rust-lang/stdsimd], is not yet ready, though there are architecture-specific components in [`stdarch`|https://github.com/rust-lang/stdarch]. > [Rust] packed_simd requires nightly > ------------------------------------ > > Key: ARROW-6718 > URL: https://issues.apache.org/jira/browse/ARROW-6718 > Project: Apache Arrow > Issue Type: Sub-task > Components: Rust > Reporter: Andy Grove > Priority: Major > Labels: pull-request-available > Time Spent: 3h 40m > Remaining Estimate: 0h > > See [https://github.com/rust-lang/rfcs/pull/2366] for more info on > stabilization of this crate. > > {code:java} > error[E0554]: `#![feature]` may not be used on the stable release channel > --> > /home/andy/.cargo/registry/src/github.com-1ecc6299db9ec823/packed_simd-0.3.3/src/lib.rs:202:1 > | > 202 | / #![feature( > 203 | | repr_simd, > 204 | | const_fn, > 205 | | platform_intrinsics, > ... | > 215 | | custom_inner_attributes > 216 | | )] > | |__^ > {code} -- This message was sent by Atlassian Jira (v8.3.4#803005)