| error[E0658]: use of unstable library feature 'fn_traits' |
| --> $DIR/feature-gate-unboxed-closures-method-calls.rs:4:7 |
| | |
| LL | f.call(()); |
| | ^^^^ |
| | |
| = note: for more information, see https://github.com/rust-lang/rust/issues/29625 |
| = help: add `#![feature(fn_traits)]` to the crate attributes to enable |
| |
| error[E0658]: use of unstable library feature 'fn_traits' |
| --> $DIR/feature-gate-unboxed-closures-method-calls.rs:5:7 |
| | |
| LL | f.call_mut(()); |
| | ^^^^^^^^ |
| | |
| = note: for more information, see https://github.com/rust-lang/rust/issues/29625 |
| = help: add `#![feature(fn_traits)]` to the crate attributes to enable |
| |
| error[E0658]: use of unstable library feature 'fn_traits' |
| --> $DIR/feature-gate-unboxed-closures-method-calls.rs:6:7 |
| | |
| LL | f.call_once(()); |
| | ^^^^^^^^^ |
| | |
| = note: for more information, see https://github.com/rust-lang/rust/issues/29625 |
| = help: add `#![feature(fn_traits)]` to the crate attributes to enable |
| |
| error: aborting due to 3 previous errors |
| |
| For more information about this error, try `rustc --explain E0658`. |