error[E0161]: cannot move a value of type str: the size of str cannot be statically determined --> $DIR/dst-index.rs:31:5 | LL | S[0]; | ^^^^ error[E0161]: cannot move a value of type dyn std::fmt::Debug: the size of dyn std::fmt::Debug cannot be statically determined --> $DIR/dst-index.rs:34:5 | LL | T[0]; | ^^^^ error[E0507]: cannot move out of index of `S` --> $DIR/dst-index.rs:31:5 | LL | S[0]; | ^^^^ move occurs because value has type `str`, which does not implement the `Copy` trait error[E0507]: cannot move out of index of `T` --> $DIR/dst-index.rs:34:5 | LL | T[0]; | ^^^^ move occurs because value has type `dyn std::fmt::Debug`, which does not implement the `Copy` trait error: aborting due to 4 previous errors Some errors have detailed explanations: E0161, E0507. For more information about an error, try `rustc --explain E0161`.