error[E0658]: use of unstable library feature 'try_reserve': new API (see issue #48043) | |
--> $DIR/feature-gate-try_reserve.rs:13:7 | |
| | |
LL | v.try_reserve(10); //~ ERROR: use of unstable library feature 'try_reserve' | |
| ^^^^^^^^^^^ | |
| | |
= help: add #![feature(try_reserve)] to the crate attributes to enable | |
error: aborting due to previous error | |
For more information about this error, try `rustc --explain E0658`. |