warning: the feature `effects` is incomplete and may not be safe to use and/or cause compiler crashes --> $DIR/call-generic-method-nonconst.rs:1:30 | LL | #![feature(const_trait_impl, effects)] | ^^^^^^^ | = note: see issue #102090 for more information = note: `#[warn(incomplete_features)]` on by default error: using `#![feature(effects)]` without enabling next trait solver globally | = note: the next trait solver must be enabled globally for the effects feature to work correctly = help: use `-Znext-solver` to enable error[E0277]: the trait bound `Runtime: const Compat` is not satisfied --> $DIR/call-generic-method-nonconst.rs:23:34 | LL | pub const EQ: bool = equals_self(&S); | ----------- ^^ the trait `const Compat` is not implemented for `Runtime` | | | required by a bound introduced by this call | = help: the trait `Compat` is implemented for `Runtime` note: required by a bound in `equals_self` --> $DIR/call-generic-method-nonconst.rs:16:25 | LL | const fn equals_self(t: &T) -> bool { | ^^^^^^^^^^ required by this bound in `equals_self` error: aborting due to 2 previous errors; 1 warning emitted For more information about this error, try `rustc --explain E0277`.