Function collect_cargo_about_for 

pub fn collect_cargo_about_for(
    about_cfg_path: impl AsRef<Path>,
    manifest_path: impl AsRef<Path>,
    features: &str,
) -> Vec<LicenseUsed>

Calls cargo about for the given crate and features.

The features must be a comma separated list of cargo features.

Returns an empty vec if the DOCS_RS env var is set to any value or if "ZNG_TP_LICENSES=false" is set.

Panics

Panics for any error, including cargo about errors and JSON deserialization errors.