error[E0282]: type annotations needed for `Vec` --> $DIR/vector-no-ann.rs:2:9 | LL | let _foo = Vec::new(); | ^^^^ | help: consider giving `_foo` an explicit type, where the type for type parameter `T` is specified | LL | let _foo: Vec = Vec::new(); | ++++++++ error: aborting due to previous error For more information about this error, try `rustc --explain E0282`.