blob: 64d76bb04b1cbafd4db364e935863e62fa10af97 [file] [log] [blame]
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`.