error: attribute can only be applied to `async` functions --> $DIR/async-entry.rs:6:5 | 6 | #[rocket::main] | ^^^^^^^^^^^^^^^ | note: this function must be `async` --> $DIR/async-entry.rs:7:5 | 7 | fn foo() { } | ^^^^^^^^ = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) warning: attribute is typically applied to `main` function --> $DIR/async-entry.rs:12:5 | 12 | #[rocket::main] | ^^^^^^^^^^^^^^^ | note: this function is not `main` --> $DIR/async-entry.rs:13:14 | 13 | async fn foo() { } | ^^^ = note: this warning originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) error: attribute can only be applied to `async` functions --> $DIR/async-entry.rs:18:5 | 18 | #[rocket::main] | ^^^^^^^^^^^^^^^ | note: this function must be `async` --> $DIR/async-entry.rs:19:5 | 19 | fn main() { | ^^^^^^^^^ = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) error: attribute cannot be applied to `main` function --> $DIR/async-entry.rs:51:5 | 51 | #[rocket::launch] | ^^^^^^^^^^^^^^^^^ | = note: this attribute generates a `main` function note: this function cannot be `main` --> $DIR/async-entry.rs:52:8 | 52 | fn main() -> rocket::Rocket { | ^^^^ = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) error: attribute can only be applied to functions that return a value --> $DIR/async-entry.rs:58:5 | 58 | #[rocket::launch] | ^^^^^^^^^^^^^^^^^ | note: this function must return a value --> $DIR/async-entry.rs:59:5 | 59 | async fn rocket() { | ^^^^^^^^^^^^^^^^^ = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) error: attribute can only be applied to functions that return a value --> $DIR/async-entry.rs:66:5 | 66 | #[rocket::launch] | ^^^^^^^^^^^^^^^^^ | note: this function must return a value --> $DIR/async-entry.rs:67:5 | 67 | fn rocket() { | ^^^^^^^^^^^ = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) error: attribute cannot be applied to `main` function --> $DIR/async-entry.rs:81:5 | 81 | #[rocket::launch] | ^^^^^^^^^^^^^^^^^ | = note: this attribute generates a `main` function note: this function cannot be `main` --> $DIR/async-entry.rs:82:8 | 82 | fn main() -> &'static str { | ^^^^ = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) error: attribute cannot be applied to `main` function --> $DIR/async-entry.rs:89:5 | 89 | #[rocket::launch] | ^^^^^^^^^^^^^^^^^ | = note: this attribute generates a `main` function note: this function cannot be `main` --> $DIR/async-entry.rs:90:14 | 90 | async fn main() -> rocket::Rocket { | ^^^^ = note: this error originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) error[E0728]: `await` is only allowed inside `async` functions and blocks --> $DIR/async-entry.rs:75:17 | 74 | fn rocket() -> rocket::Rocket { | ------ this is not `async` 75 | let _ = rocket::ignite().launch().await; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ only allowed inside `async` functions and blocks error[E0308]: mismatched types --> $DIR/async-entry.rs:37:9 | 37 | rocket::ignite() | ^^^^^^^^^^^^^^^^ expected struct `std::string::String`, found struct `Rocket` error[E0308]: mismatched types --> $DIR/async-entry.rs:46:9 | 46 | "hi".to_string() | ^^^^^^^^^^^^^^^^ expected struct `Rocket`, found struct `std::string::String` error[E0308]: mismatched types --> $DIR/async-entry.rs:26:21 | 26 | async fn main() { | ^ expected `()` because of default return type | _____________________| | | 27 | | rocket::ignite() 28 | | } | | ^- help: try adding a semicolon: `;` | |_____| | expected `()`, found struct `Rocket` error[E0308]: mismatched types --> $DIR/async-entry.rs:35:26 | 35 | async fn rocket() -> String { | ^^^^^^ | | | expected struct `Rocket`, found struct `std::string::String` | expected due to this error[E0277]: `main` has invalid return type `Rocket` --> $DIR/async-entry.rs:96:20 | 96 | async fn main() -> rocket::Rocket { | ^^^^^^^^^^^^^^ `main` can only return types that implement `Termination` | = help: consider using `()`, or a `Result`