error[E0554]: `#![feature]` may not be used on the stable release channel
--> src/main.rs:2:43
|
2 | #![cfg_attr(feature = "unstable", feature(core_intrinsics))]
| ^^^^^^^^^^^^^^^
error[E0554]: `#![feature]` may not be used on the stable release channel
--> src/main.rs:3:43
|
3 | #![cfg_attr(feature = "unstable", feature(test))]
| ^^^^
error[E0554]: `#![feature]` may not be used on the stable release channel
--> src/main.rs:4:43
|
4 | #![cfg_attr(feature = "unstable", feature(write_all_vectored))]
| ^^^^^^^^^^^^^^^^^^
For more information about this error, try `rustc --explain E0554`.
error: could not compile `frawk` due to 3 previous errors
FreeBSD 13.1