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