cargo-semver-checks 0.30.0

Scan your Rust crate for semver violations.
Documentation 
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SemverQuery(
    id: "function_changed_export_name",
    human_readable_name: "exported function changed ABI",
    description: "A function marked `#[no_mangle]` or assigned an explicit `#[export_name]` changed its external ABI.",
    required_update: Major,
    reference_link: Some("https://doc.rust-lang.org/reference/items/external-blocks.html#abi"),
    query: r#"{
    CrateDiff {
        baseline {
            item {
                ... on Function {
                    export_name @filter(op: "is_not_null") @tag
                    abi_: abi {
                        raw_name @tag @output
                    }
                }
            }
        }
        current {
            item {
                ... on Function {
                    name @output
                    export_name @filter(op: "=", value: ["%export_name"]) @output
                    new_abi_: abi {
                        raw_name @filter(op: "!=", value: ["%raw_name"]) @output
                    }

                    span_: span @optional {
                        filename @output
                        begin_line @output
                    }
                }
            }
        }
    }
}"#,
    arguments: {
        // No arguments!
    },
    error_message: "A function with an export_name has changed ABI.",
    per_result_error_template: Some("fn {{name}} with export_name {{export_name}} changed ABI from {{abi_raw_name}} to {{new_abi_raw_name}} in {{span_filename}}:{{span_begin_line}}"),
)