59 lines
2.5 KiB
Plaintext
59 lines
2.5 KiB
Plaintext
error[E0277]: `[async fn body@$DIR/async.rs:23:29: 25:2]` is not a future
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--> $DIR/async.rs:23:29
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LL | async fn foo(x: u32) -> u32 {
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| _____________________________-
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LL | | x
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LL | | }
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| | ^
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| | |
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| |_`[async fn body@$DIR/async.rs:23:29: 25:2]` is not a future
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| required by a bound introduced by this call
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= help: the trait `Future` is not implemented for `[async fn body@$DIR/async.rs:23:29: 25:2]`
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= note: [async fn body@$DIR/async.rs:23:29: 25:2] must be a future or must implement `IntoFuture` to be awaited
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note: required by a bound in `identity_future`
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--> $SRC_DIR/core/src/future/mod.rs:LL:COL
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error[E0277]: the size for values of type `<[async fn body@$DIR/async.rs:23:29: 25:2] as Future>::Output` cannot be known at compilation time
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--> $DIR/async.rs:23:29
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LL | async fn foo(x: u32) -> u32 {
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| _____________________________^
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LL | | x
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LL | | }
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| |_^ doesn't have a size known at compile-time
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= help: the trait `Sized` is not implemented for `<[async fn body@$DIR/async.rs:23:29: 25:2] as Future>::Output`
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note: required by a bound in `identity_future`
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--> $SRC_DIR/core/src/future/mod.rs:LL:COL
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error[E0277]: `[async fn body@$DIR/async.rs:23:29: 25:2]` is not a future
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--> $DIR/async.rs:23:25
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LL | async fn foo(x: u32) -> u32 {
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| ^^^ `[async fn body@$DIR/async.rs:23:29: 25:2]` is not a future
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= help: the trait `Future` is not implemented for `[async fn body@$DIR/async.rs:23:29: 25:2]`
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= note: [async fn body@$DIR/async.rs:23:29: 25:2] must be a future or must implement `IntoFuture` to be awaited
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error: internal compiler error: projection clauses should be implied from elsewhere. obligation: `Obligation(predicate=Binder(ProjectionPredicate(AliasTy { substs: [[async fn body@$DIR/async.rs:23:29: 25:2]], def_id: ...) }, Term::Ty(u32)), []), depth=0)`
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--> $DIR/async.rs:23:25
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LL | async fn foo(x: u32) -> u32 {
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| ^^^query stack during panic:
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#0 [typeck] type-checking `foo`
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#1 [thir_body] building THIR for `foo`
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#2 [mir_built] building MIR for `foo`
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#3 [unsafety_check_result] unsafety-checking `foo`
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#4 [mir_const] preparing `foo` for borrow checking
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#5 [mir_promoted] processing MIR for `foo`
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#6 [mir_borrowck] borrow-checking `foo`
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#7 [type_of] computing type of `foo::{opaque#0}`
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#8 [check_mod_item_types] checking item types in top-level module
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#9 [analysis] running analysis passes on this crate
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end of query stack
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error: aborting due to 4 previous errors
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For more information about this error, try `rustc --explain E0277`.
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