rust/tests/ui/suggestions/issue-84973-blacklist.stderr
Esteban Küber f6767f7a68 Detect * operator on !Sized expression
```
error[E0277]: the size for values of type `str` cannot be known at compilation time
  --> $DIR/unsized-str-in-return-expr-arg-and-local.rs:15:9
   |
LL |     let x = *"";
   |         ^ doesn't have a size known at compile-time
   |
   = help: the trait `Sized` is not implemented for `str`
   = note: all local variables must have a statically known size
   = help: unsized locals are gated as an unstable feature
help: references are always `Sized`, even if they point to unsized data; consider not dereferencing the expression
   |
LL -     let x = *"";
LL +     let x = "";
   |
```
2024-08-08 17:35:40 +00:00

93 lines
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Plaintext

error[E0277]: the trait bound `String: Copy` is not satisfied
--> $DIR/issue-84973-blacklist.rs:15:12
|
LL | f_copy("".to_string());
| ------ ^^^^^^^^^^^^^^ the trait `Copy` is not implemented for `String`
| |
| required by a bound introduced by this call
|
note: required by a bound in `f_copy`
--> $DIR/issue-84973-blacklist.rs:6:14
|
LL | fn f_copy<T: Copy>(t: T) {}
| ^^^^ required by this bound in `f_copy`
help: consider removing this method call, as the receiver has type `&'static str` and `&'static str: Copy` trivially holds
|
LL - f_copy("".to_string());
LL + f_copy("");
|
error[E0277]: the trait bound `S: Clone` is not satisfied
--> $DIR/issue-84973-blacklist.rs:16:13
|
LL | f_clone(S);
| ------- ^ the trait `Clone` is not implemented for `S`
| |
| required by a bound introduced by this call
|
note: required by a bound in `f_clone`
--> $DIR/issue-84973-blacklist.rs:7:15
|
LL | fn f_clone<T: Clone>(t: T) {}
| ^^^^^ required by this bound in `f_clone`
help: consider annotating `S` with `#[derive(Clone)]`
|
LL + #[derive(Clone)]
LL | struct S;
|
error[E0277]: `{static coroutine@$DIR/issue-84973-blacklist.rs:17:26: 17:35}` cannot be unpinned
--> $DIR/issue-84973-blacklist.rs:17:26
|
LL | f_unpin(#[coroutine] static || { yield; });
| ------- ^^^^^^^^^^^^^^^^^^^^ the trait `Unpin` is not implemented for `{static coroutine@$DIR/issue-84973-blacklist.rs:17:26: 17:35}`
| |
| required by a bound introduced by this call
|
= note: consider using the `pin!` macro
consider using `Box::pin` if you need to access the pinned value outside of the current scope
note: required by a bound in `f_unpin`
--> $DIR/issue-84973-blacklist.rs:8:15
|
LL | fn f_unpin<T: Unpin>(t: T) {}
| ^^^^^ required by this bound in `f_unpin`
error[E0277]: the size for values of type `dyn Fn()` cannot be known at compilation time
--> $DIR/issue-84973-blacklist.rs:22:13
|
LL | f_sized(*ref_cl);
| ------- ^^^^^^^ doesn't have a size known at compile-time
| |
| required by a bound introduced by this call
|
= help: the trait `Sized` is not implemented for `dyn Fn()`
note: required by a bound in `f_sized`
--> $DIR/issue-84973-blacklist.rs:9:15
|
LL | fn f_sized<T: Sized>(t: T) {}
| ^^^^^ required by this bound in `f_sized`
help: references are always `Sized`, even if they point to unsized data; consider not dereferencing the expression
|
LL - f_sized(*ref_cl);
LL + f_sized(ref_cl);
|
error[E0277]: `Rc<{integer}>` cannot be sent between threads safely
--> $DIR/issue-84973-blacklist.rs:27:12
|
LL | f_send(rc);
| ------ ^^ `Rc<{integer}>` cannot be sent between threads safely
| |
| required by a bound introduced by this call
|
= help: the trait `Send` is not implemented for `Rc<{integer}>`
note: required by a bound in `f_send`
--> $DIR/issue-84973-blacklist.rs:10:14
|
LL | fn f_send<T: Send>(t: T) {}
| ^^^^ required by this bound in `f_send`
error: aborting due to 5 previous errors
For more information about this error, try `rustc --explain E0277`.