error[E0557]: feature has been removed
--> /nix/store/ynad3bw5igvv4yfnipqfcpzw74y4vv1w-crates-io/x25519-dalek-1.1.1/src/lib.rs:19:42
|
19 | #![cfg_attr(feature = "nightly", feature(external_doc))]
| ^^^^^^^^^^^^ feature has been removed
|
= note: use #[doc = include_str!("filename")] instead, which handles macro invocations
error: aborting due to previous error
With a fairly recent nightly
compilation fails with