yes exactly, 

```
error[E0597]: `i2c_mutex` does not live long enough
   --> src/main.rs:82:46
    |
81  |     let i2c_mutex = Mutex::new(i2c);
    |         --------- binding `i2c_mutex` declared here
82  |     let i2c_mutex_device = MutexDevice::new( &i2c_mutex);
    |                            ------------------^^^^^^^^^^-
    |                            |                 |
    |                            |                 borrowed value does not live long enough
    |                            argument requires that `i2c_mutex` is borrowed for `'static`
...
152 | }
    | - `i2c_mutex` dropped here while still borrowed
```