error[E0152]: found duplicate lang item `panic_impl` --> $DIR/duplicate_entry_error.rs:13:1 | LL | / fn panic_impl(info: &PanicInfo) -> ! { LL | | LL | | loop {} LL | | } | |_^ | = note: the lang item is first defined in crate `std` (which `duplicate_entry_error` depends on) = note: first definition in `std` loaded from SYSROOT/libstd-*.rlib = note: second definition in the local crate (`duplicate_entry_error`) error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0152`.