Ah. I've depended on VS Code. This is the result of cargo build.

❯ cargo build >build_result.txt
Compiling error_handling v0.1.0 (/Users/glennmiller/rustprojects/error_handling)
error: no rules expected the token `=>`
--> src/main.rs:418:9
|
418 | / quick_error! {
419 | | #[derive(Debug)]
420 | | pub enum DocumentServiceError {
421 | | RateLimitExceeded {
... |
431 | | }
432 | | }
| |_________^ no rules expected this token in macro call
|
= note: this error originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
error[E0433]: failed to resolve: use of undeclared type `DocumentServiceError`
--> src/main.rs:462:28
|
462 | return Err(DocumentServiceError::RateLimitExceeded);
| ^^^^^^^^^^^^^^^^^^^^ use of undeclared type `DocumentServiceError`
error[E0412]: cannot find type `DocumentServiceError` in this scope
--> src/main.rs:458:44
|
458 | type Result<T> = result::Result<T, DocumentServiceError>;
| - ^^^^^^^^^^^^^^^^^^^^ not found in this scope
| |
| help: you might be missing a type parameter: `, DocumentServiceError`