{"message":"`main` function not found in crate `json_short`","code":{"code":"E0601","explanation":" No `main` function was found in a binary crate. To fix this error, add a `main` function. For example: ``` fn main() { // Your program will start here. println!(\"Hello world!\"); } ``` If you don't know the basics of Rust, you can go look to the Rust Book to get started: https://doc.rust-lang.org/book/ "},"level":"error","spans":[{"file_name":"$DIR/json-short.rs","byte_start":76,"byte_end":76,"line_start":2,"line_end":2,"column_start":63,"column_end":63,"is_primary":true,"text":[{"text":"// compile-flags: --json=diagnostic-short --error-format=json","highlight_start":63,"highlight_end":63}],"label":"consider adding a `main` function to `$DIR/json-short.rs`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"$DIR/json-short.rs:2:63: error[E0601]: `main` function not found in crate `json_short` "} {"message":"aborting due to previous error","code":null,"level":"error","spans":[],"children":[],"rendered":"error: aborting due to previous error "} {"message":"For more information about this error, try `rustc --explain E0601`.","code":null,"level":"","spans":[],"children":[],"rendered":"For more information about this error, try `rustc --explain E0601`. "}