error[E0382]: use of moved value: `t` --> $DIR/borrowck-move-moved-value-into-closure.rs:24:12 | LL | call_f(move|| { *t + 1 }); | ------ - variable moved due to use in closure | | | value moved into closure here LL | call_f(move|| { *t + 1 }); //[ast]~ ERROR capture of moved value | ^^^^^^ - use occurs due to use in closure | | | value used here after move | = note: move occurs because `t` has type `std::boxed::Box`, which does not implement the `Copy` trait error: aborting due to previous error For more information about this error, try `rustc --explain E0382`.