| error[E0599]: no method named `test_mut` found for struct `Vec<{integer}>` in the current scope | 
 |   --> $DIR/vec-autoderef-autoref.rs:6:7 | 
 |    | | 
 | LL |     a.test_mut(); | 
 |    |       ^^^^^^^^ | 
 |    | | 
 |    = help: items from traits can only be used if the trait is implemented and in scope | 
 | note: `MyIter` defines an item `test_mut`, perhaps you need to implement it | 
 |   --> $DIR/vec-autoderef-autoref.rs:13:1 | 
 |    | | 
 | LL | trait MyIter { | 
 |    | ^^^^^^^^^^^^ | 
 | help: there is a method `get_mut` with a similar name, but with different arguments | 
 |   --> $SRC_DIR/core/src/slice/mod.rs:LL:COL | 
 |  | 
 | error[E0599]: no method named `test` found for struct `Vec<{integer}>` in the current scope | 
 |   --> $DIR/vec-autoderef-autoref.rs:7:7 | 
 |    | | 
 | LL |     a.test(); | 
 |    |       ^^^^ method not found in `Vec<{integer}>` | 
 |    | | 
 |    = help: items from traits can only be used if the trait is implemented and in scope | 
 | note: `MyIter` defines an item `test`, perhaps you need to implement it | 
 |   --> $DIR/vec-autoderef-autoref.rs:13:1 | 
 |    | | 
 | LL | trait MyIter { | 
 |    | ^^^^^^^^^^^^ | 
 |  | 
 | error[E0599]: no method named `test` found for array `[{integer}; 1]` in the current scope | 
 |   --> $DIR/vec-autoderef-autoref.rs:9:11 | 
 |    | | 
 | LL |     ([1]).test(); | 
 |    |           ^^^^ method not found in `[{integer}; 1]` | 
 |    | | 
 |    = help: items from traits can only be used if the trait is implemented and in scope | 
 | note: `MyIter` defines an item `test`, perhaps you need to implement it | 
 |   --> $DIR/vec-autoderef-autoref.rs:13:1 | 
 |    | | 
 | LL | trait MyIter { | 
 |    | ^^^^^^^^^^^^ | 
 |  | 
 | error[E0599]: no method named `test` found for reference `&[{integer}; 1]` in the current scope | 
 |   --> $DIR/vec-autoderef-autoref.rs:10:12 | 
 |    | | 
 | LL |     (&[1]).test(); | 
 |    |            ^^^^ method not found in `&[{integer}; 1]` | 
 |    | | 
 |    = help: items from traits can only be used if the trait is implemented and in scope | 
 | note: `MyIter` defines an item `test`, perhaps you need to implement it | 
 |   --> $DIR/vec-autoderef-autoref.rs:13:1 | 
 |    | | 
 | LL | trait MyIter { | 
 |    | ^^^^^^^^^^^^ | 
 |  | 
 | error: aborting due to 4 previous errors | 
 |  | 
 | For more information about this error, try `rustc --explain E0599`. |