avoid unnecessarily mutable vector
## 0.11.0-dev
- capture errors and count frequency for each, including summary in metrics report; optionally disable with `--no-error-summary`
- - API change: all `GooseMethod`s renamed to enforce Rust naming conventions in regards to case, for example `GooseMethod::GET` becomes `GooseMethod::Get`
+ - clippy cleanups:
+ o API change: all `GooseMethod`s renamed to enforce Rust naming conventions in regards to case, for example `GooseMethod::GET` becomes `GooseMethod::Get`
+ o use `vec![]` macro to avoid unnecessarily pushing data into mutable vectors
+ o call `format!` macro directly for improved readability
+ o remove unnecessary `panic!`
## 0.10.9 March 23, 2021
- avoid unnecessary work on Manager when starting a Gaggle
