error[E0277]: the size for values of type `T` cannot be known at compilation time --> $DIR/project_replace_unsized.rs:3:15 | 3 | #[pin_project(project_replace)] //~ ERROR E0277 | ^^^^^^^^^^^^^^^ doesn't have a size known at compile-time 4 | struct Struct { | - this type parameter needs to be `Sized` | = note: required because it appears within the type `Struct` = help: unsized locals are gated as an unstable feature help: function arguments must have a statically known size, borrowed types always have a known size | 3 | #[pin_project(&project_replace)] //~ ERROR E0277 | ^ error[E0277]: the size for values of type `T` cannot be known at compilation time --> $DIR/project_replace_unsized.rs:5:5 | 4 | struct Struct { | - this type parameter needs to be `Sized` 5 | f: T, | ^ doesn't have a size known at compile-time error[E0277]: the size for values of type `T` cannot be known at compilation time --> $DIR/project_replace_unsized.rs:3:1 | 3 | #[pin_project(project_replace)] //~ ERROR E0277 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time 4 | struct Struct { | - this type parameter needs to be `Sized` | = note: required because it appears within the type `__StructProjectionOwned` = note: structs must have a statically known size to be initialized = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info) error[E0277]: the size for values of type `T` cannot be known at compilation time --> $DIR/project_replace_unsized.rs:8:15 | 8 | #[pin_project(project_replace)] //~ ERROR E0277 | ^^^^^^^^^^^^^^^ doesn't have a size known at compile-time 9 | struct TupleStruct(T); | - this type parameter needs to be `Sized` | = note: required because it appears within the type `TupleStruct` = help: unsized locals are gated as an unstable feature help: function arguments must have a statically known size, borrowed types always have a known size | 8 | #[pin_project(&project_replace)] //~ ERROR E0277 | ^ error[E0277]: the size for values of type `T` cannot be known at compilation time --> $DIR/project_replace_unsized.rs:8:1 | 8 | #[pin_project(project_replace)] //~ ERROR E0277 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time 9 | struct TupleStruct(T); | - this type parameter needs to be `Sized` | = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info) error[E0277]: the size for values of type `T` cannot be known at compilation time --> $DIR/project_replace_unsized.rs:9:8 | 9 | struct TupleStruct(T); | ^^^^^^^^^^^ - this type parameter needs to be `Sized` | | | doesn't have a size known at compile-time | = note: all function arguments must have a statically known size = help: unsized locals are gated as an unstable feature