AUR build failure

[Christopher Williams]

error[E0658]: use of unstable library feature 'is_terminal'
  --> src/main.rs:12:35
   |
12 | use std::io::{BufRead, BufReader, IsTerminal, stdout, Write};
   |                                   ^^^^^^^^^^
   |
   = note: see issue #98070 <https://github.com/rust-lang/rust/issues/98070> for more information

error[E0658]: use of unstable library feature 'is_terminal'
   --> src/main.rs:214:17
    |
214 |     if !stdin().is_terminal()
    |                 ^^^^^^^^^^^
    |
    = note: see issue #98070 <https://github.com/rust-lang/rust/issues/98070> for more information

For more information about this error, try `rustc --explain E0658`.
error: could not compile `kalc` due to 2 previous errors
==> ERROR: A failure occurred in build().

Seems like the use of is_terminal is unstable and as such it does not build anymore when is_terminal() started getting used

[Mikael Walhelm]

the required rust version is 1.70 which is very likely the issue

[Christopher Williams]

Yeah that was it. Sorry about that. Didn’t think about upgrading my rust version since it had compiled before