running 'cargo doc' on rust stable produces error

[stepkun]

error[E0554]: #![feature] may not be used on the stable release channel
--> /home/stephan/.cargo/registry/src/index.crates.io-6f17d22bba15001f/bitcode-0.5.1/src/lib.rs:2:18
|
2 | #![cfg_attr(doc, feature(doc_cfg))]
| ^^^^^^^^^^^^^^^^

[caibear]

This is expected since we used #![feature(dog_cfg)] to show that functions like bitcode::serialize require serde.

If you want to run the docs or tests yourself you'll have to use nightly. To do so, you can run this inside the bitcode project:

rustup override set nightly

[aecsocket]

This breaks cargo doc for all users of this dependency who use stable Rust, which is counterproductive. Users shouldn't be punished for using stable, and running cargo doc locally is a perfectly valid use case. Consider changing this to something like

#![cfg_attr(any(nightly, docsrs), feature(doc_cfg, doc_auto_cfg))]

I use this in my own stable crate, and it lets me run cargo doc just fine while still enabling doc_cfg on docs.rs.

[caibear]

This has been fixed on the latest alpha version bitcode = "=0.6.0-alpha.2".