| warning: the feature `dyn_star` is incomplete and may not be safe to use and/or cause compiler crashes |
| --> $DIR/param-env-infer.rs:5:12 |
| | |
| LL | #![feature(dyn_star, pointer_like_trait)] |
| | ^^^^^^^^ |
| | |
| = note: see issue #102425 <https://github.com/rust-lang/rust/issues/102425> for more information |
| = note: `#[warn(incomplete_features)]` on by default |
| |
| error[E0391]: cycle detected when computing type of `make_dyn_star::{opaque#0}` |
| --> $DIR/param-env-infer.rs:11:60 |
| | |
| LL | fn make_dyn_star<'a, T: PointerLike + Debug + 'a>(t: T) -> impl PointerLike + Debug + 'a { |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| | |
| note: ...which requires borrow-checking `make_dyn_star`... |
| --> $DIR/param-env-infer.rs:11:1 |
| | |
| LL | fn make_dyn_star<'a, T: PointerLike + Debug + 'a>(t: T) -> impl PointerLike + Debug + 'a { |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| note: ...which requires promoting constants in MIR for `make_dyn_star`... |
| --> $DIR/param-env-infer.rs:11:1 |
| | |
| LL | fn make_dyn_star<'a, T: PointerLike + Debug + 'a>(t: T) -> impl PointerLike + Debug + 'a { |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| note: ...which requires preparing `make_dyn_star` for borrow checking... |
| --> $DIR/param-env-infer.rs:11:1 |
| | |
| LL | fn make_dyn_star<'a, T: PointerLike + Debug + 'a>(t: T) -> impl PointerLike + Debug + 'a { |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| note: ...which requires unsafety-checking `make_dyn_star`... |
| --> $DIR/param-env-infer.rs:11:1 |
| | |
| LL | fn make_dyn_star<'a, T: PointerLike + Debug + 'a>(t: T) -> impl PointerLike + Debug + 'a { |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| note: ...which requires building MIR for `make_dyn_star`... |
| --> $DIR/param-env-infer.rs:11:1 |
| | |
| LL | fn make_dyn_star<'a, T: PointerLike + Debug + 'a>(t: T) -> impl PointerLike + Debug + 'a { |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| note: ...which requires match-checking `make_dyn_star`... |
| --> $DIR/param-env-infer.rs:11:1 |
| | |
| LL | fn make_dyn_star<'a, T: PointerLike + Debug + 'a>(t: T) -> impl PointerLike + Debug + 'a { |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| note: ...which requires building THIR for `make_dyn_star`... |
| --> $DIR/param-env-infer.rs:11:1 |
| | |
| LL | fn make_dyn_star<'a, T: PointerLike + Debug + 'a>(t: T) -> impl PointerLike + Debug + 'a { |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| note: ...which requires type-checking `make_dyn_star`... |
| --> $DIR/param-env-infer.rs:11:1 |
| | |
| LL | fn make_dyn_star<'a, T: PointerLike + Debug + 'a>(t: T) -> impl PointerLike + Debug + 'a { |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| = note: ...which requires computing layout of `make_dyn_star::{opaque#0}`... |
| = note: ...which requires normalizing `make_dyn_star::{opaque#0}`... |
| = note: ...which again requires computing type of `make_dyn_star::{opaque#0}`, completing the cycle |
| note: cycle used when checking item types in top-level module |
| --> $DIR/param-env-infer.rs:5:1 |
| | |
| LL | / #![feature(dyn_star, pointer_like_trait)] |
| LL | | |
| LL | | |
| LL | | use std::fmt::Debug; |
| ... | |
| LL | | |
| LL | | fn main() {} |
| | |____________^ |
| |
| error: aborting due to previous error; 1 warning emitted |
| |
| For more information about this error, try `rustc --explain E0391`. |