error[E0277]: the size for values of type `[u8]` cannot be known at compilation time --> $DIR/E0277.rs:23:6 | LL | fn f(p: Path) { } | ^ doesn't have a size known at compile-time | = help: within `std::path::Path`, the trait `std::marker::Sized` is not implemented for `[u8]` = note: to learn more, visit = note: required because it appears within the type `std::path::Path` = note: all local variables must have a statically known size = help: unsized locals are gated as an unstable feature error[E0277]: the trait bound `i32: Foo` is not satisfied --> $DIR/E0277.rs:27:5 | LL | some_func(5i32); | ^^^^^^^^^ the trait `Foo` is not implemented for `i32` | note: required by `some_func` --> $DIR/E0277.rs:19:1 | LL | fn some_func(foo: T) { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0277`.