error[E0425]: cannot find value `bar` in this scope
  --> $DIR/tab.rs:4:2
   |
LL |     bar;
   |     ^^^ not found in this scope

error[E0308]: mismatched types
  --> $DIR/tab.rs:8:2
   |
LL | fn foo() {
   |         - help: try adding a return type: `-> &'static str`
LL |     "bar            boo"
   |     ^^^^^^^^^^^^^^^^^^^^ expected `()`, found `&str`

error: aborting due to 2 previous errors

Some errors have detailed explanations: E0308, E0425.
For more information about an error, try `rustc --explain E0308`.