   Compiling failcrate v0.1.0 (/tmp/fixgen/failcrate)
error[E0425]: cannot find value `missing_var` in this scope
 --> src/lib.rs:6:31
  |
6 |     format!("hello {name}") + missing_var
  |                               ^^^^^^^^^^^ not found in this scope

For more information about this error, try `rustc --explain E0425`.
error: could not compile `failcrate` (lib) due to 1 previous error
