cargo-semver-checks 0.45.0

Scan your Rust crate for semver violations.
Documentation 
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SemverQuery(
    id: "repr_align_changed",
    human_readable_name: "repr(align(N)) changed",
    description: "A struct, enum, or union changed its repr(align) value.",
    required_update: Major,
    lint_level: Deny,
    reference_link: Some("https://doc.rust-lang.org/cargo/reference/semver.html#repr-align-n-change"),
    query: r#"
    {
        CrateDiff {
            baseline {
                item {
                    ... on ImplOwner {
                        type: __typename @filter(op: "one_of", value: ["$types"]) @output @tag
                        visibility_limit @filter(op: "=", value: ["$public"])

                        attribute {
                            content {
                                base @filter(op: "=", value: ["$repr"])
                                argument {
                                    base @filter(op: "=", value: ["$align"])
                                    argument {
                                        old_align: base @output @tag
                                    }
                                }
                            }
                        }

                        importable_path {
                            path @output @tag
                            public_api @filter(op: "=", value: ["$true"])
                        }
                    }
                }
            }
            current {
                item {
                    ... on ImplOwner {
                        __typename @filter(op: "=", value: ["%type"])
                        visibility_limit @filter(op: "=", value: ["$public"])
                        name @output

                        attribute {
                            content {
                                base @filter(op: "=", value: ["$repr"])
                                argument {
                                    base @filter(op: "=", value: ["$align"])
                                    argument {
                                        new_align: base @filter(op: "!=", value: ["%old_align"]) @output
                                    }
                                }
                            }
                        }

                        importable_path {
                            path @filter(op: "=", value: ["%path"])
                            public_api @filter(op: "=", value: ["$true"])
                        }

                        span_: span @optional {
                            filename @output
                            begin_line @output
                            end_line @output
                        }
                    }
                }
            }
        }
    }"#,
    arguments: {
        "public": "public",
        "repr": "repr",
        "align": "align",
        "types": ["Struct", "Enum", "Union"],
        "true": true,
    },
    error_message: "A type's repr(align) changed to a different value. This can break code that depends on the type's alignment or layout.",
    per_result_error_template: Some("{{lowercase type}} {{name}} repr(align({{old_align}})) -> repr(align({{new_align}})) in {{span_filename}}:{{span_begin_line}}"),
    witness: None,
)