[
    MappedRustDiagnostic {
        url: Url {
            scheme: "file",
            cannot_be_a_base: false,
            username: "",
            password: None,
            host: None,
            port: None,
            path: "/test/driver/subcommand/repl.rs",
            query: None,
            fragment: None,
        },
        diagnostic: Diagnostic {
            range: Range {
                start: Position {
                    line: 290,
                    character: 8,
                },
                end: Position {
                    line: 290,
                    character: 11,
                },
            },
            severity: Some(
                DiagnosticSeverity(
                    3,
                ),
            ),
            code: Some(
                String(
                    "unused_variables",
                ),
            ),
            code_description: None,
            source: Some(
                "rustc",
            ),
            message: "unused variable: `foo`\n#[warn(unused_variables)] on by default",
            related_information: Some(
                [
                    DiagnosticRelatedInformation {
                        location: Location {
                            uri: Url {
                                scheme: "file",
                                cannot_be_a_base: false,
                                username: "",
                                password: None,
                                host: None,
                                port: None,
                                path: "/test/driver/subcommand/repl.rs",
                                query: None,
                                fragment: None,
                            },
                            range: Range {
                                start: Position {
                                    line: 290,
                                    character: 8,
                                },
                                end: Position {
                                    line: 290,
                                    character: 11,
                                },
                            },
                        },
                        message: "consider prefixing with an underscore: `_foo`",
                    },
                ],
            ),
            tags: Some(
                [
                    DiagnosticTag(
                        1,
                    ),
                ],
            ),
            data: None,
        },
        fixes: [],
    },
    MappedRustDiagnostic {
        url: Url {
            scheme: "file",
            cannot_be_a_base: false,
            username: "",
            password: None,
            host: None,
            port: None,
            path: "/test/driver/subcommand/repl.rs",
            query: None,
            fragment: None,
        },
        diagnostic: Diagnostic {
            range: Range {
                start: Position {
                    line: 290,
                    character: 8,
                },
                end: Position {
                    line: 290,
                    character: 11,
                },
            },
            severity: Some(
                DiagnosticSeverity(
                    4,
                ),
            ),
            code: Some(
                String(
                    "unused_variables",
                ),
            ),
            code_description: None,
            source: Some(
                "rustc",
            ),
            message: "consider prefixing with an underscore: `_foo`",
            related_information: Some(
                [
                    DiagnosticRelatedInformation {
                        location: Location {
                            uri: Url {
                                scheme: "file",
                                cannot_be_a_base: false,
                                username: "",
                                password: None,
                                host: None,
                                port: None,
                                path: "/test/driver/subcommand/repl.rs",
                                query: None,
                                fragment: None,
                            },
                            range: Range {
                                start: Position {
                                    line: 290,
                                    character: 8,
                                },
                                end: Position {
                                    line: 290,
                                    character: 11,
                                },
                            },
                        },
                        message: "original diagnostic",
                    },
                ],
            ),
            tags: None,
            data: None,
        },
        fixes: [
            CodeAction {
                title: "consider prefixing with an underscore: `_foo`",
                group: None,
                kind: Some(
                    CodeActionKind(
                        "quickfix",
                    ),
                ),
                edit: Some(
                    SnippetWorkspaceEdit {
                        changes: Some(
                            {
                                Url {
                                    scheme: "file",
                                    cannot_be_a_base: false,
                                    username: "",
                                    password: None,
                                    host: None,
                                    port: None,
                                    path: "/test/driver/subcommand/repl.rs",
                                    query: None,
                                    fragment: None,
                                }: [
                                    TextEdit {
                                        range: Range {
                                            start: Position {
                                                line: 290,
                                                character: 8,
                                            },
                                            end: Position {
                                                line: 290,
                                                character: 11,
                                            },
                                        },
                                        new_text: "_foo",
                                    },
                                ],
                            },
                        ),
                        document_changes: None,
                        change_annotations: None,
                    },
                ),
                is_preferred: Some(
                    true,
                ),
                data: None,
            },
        ],
    },
]
