при попытке запустить карусель из примера библиотеки Flutter выдаёт много ошибок

import 'package:carousel_slider/carousel_slider.dart';

CarouselSlider(
  options: CarouselOptions(height: 400.0),
  items: [1,2,3,4,5].map((i) {
    return Builder(
      builder: (BuildContext context) {
        return Container(
          width: MediaQuery.of(context).size.width,
          margin: EdgeInsets.symmetric(horizontal: 5.0),
          decoration: BoxDecoration(
            color: Colors.amber
          ),
          child: Text('text $i', style: TextStyle(fontSize: 16.0),)
        );
      },
    );
  }).toList(),
)

[{ "resource": "/home/superuserfucker/Documents/Code/Neo/fake_app/lib/main.dart", "owner": "generated_diagnostic_collection_name#0", "code": "named_parameter_outside_group", "severity": 8, "message": "Named parameters must be enclosed in curly braces ('{' and '}').\nTry surrounding the named parameters in curly braces.", "source": "dart", "startLineNumber": 4, "startColumn": 10, "endLineNumber": 4, "endColumn": 11 },{ "resource": "/home/superuserfucker/Documents/Code/Neo/fake_app/lib/main.dart", "owner": "generated_diagnostic_collection_name#0", "code": { "value": "obsolete_colon_for_default_value", "target": { "$mid": 1, "path": "/diagnostics/obsolete_colon_for_default_value", "scheme": "https", "authority": "dart.dev" } }, "severity": 8, "message": "Using a colon as a separator before a default value is no longer supported.\nTry replacing the colon with an equal sign.", "source": "dart", "startLineNumber": 4, "startColumn": 10, "endLineNumber": 4, "endColumn": 11 },{ "resource": "/home/superuserfucker/Documents/Code/Neo/fake_app/lib/main.dart", "owner": "generated_diagnostic_collection_name#0", "code": { "value": "non_constant_default_value", "target": { "$mid": 1, "path": "/diagnostics/non_constant_default_value", "scheme": "https", "authority": "dart.dev" } }, "severity": 8, "message": "The default value of an optional parameter must be constant.", "source": "dart", "startLineNumber": 4, "startColumn": 12, "endLineNumber": 4, "endColumn": 42 },{ "resource": "/home/superuserfucker/Documents/Code/Neo/fake_app/lib/main.dart", "owner": "generated_diagnostic_collection_name#0", "code": "named_parameter_outside_group", "severity": 8, "message": "Named parameters must be enclosed in curly braces ('{' and '}').\nTry surrounding the named parameters in curly braces.", "source": "dart", "startLineNumber": 5, "startColumn": 8, "endLineNumber": 5, "endColumn": 9 },{ "resource": "/home/superuserfucker/Documents/Code/Neo/fake_app/lib/main.dart", "owner": "generated_diagnostic_collection_name#0", "code": { "value": "obsolete_colon_for_default_value", "target": { "$mid": 1, "path": "/diagnostics/obsolete_colon_for_default_value", "scheme": "https", "authority": "dart.dev" } }, "severity": 8, "message": "Using a colon as a separator before a default value is no longer supported.\nTry replacing the colon with an equal sign.", "source": "dart", "startLineNumber": 5, "startColumn": 8, "endLineNumber": 5, "endColumn": 9 },{ "resource": "/home/superuserfucker/Documents/Code/Neo/fake_app/lib/main.dart", "owner": "generated_diagnostic_collection_name#0", "code": { "value": "non_constant_default_value", "target": { "$mid": 1, "external": "https://dart.dev/diagnostics/non_constant_default_value", "path": "/diagnostics/non_constant_default_value", "scheme": "https", "authority": "dart.dev" } }, "severity": 8, "message": "The default value of an optional parameter must be constant.", "source": "dart", "startLineNumber": 5, "startColumn": 10, "endLineNumber": 18, "endColumn": 14 },{ "resource": "/home/superuserfucker/Documents/Code/Neo/fake_app/lib/main.dart", "owner": "generated_diagnostic_collection_name#0", "code": { "value": "undefined_function", "target": { "$mid": 1, "path": "/diagnostics/undefined_function", "scheme": "https", "authority": "dart.dev" } }, "severity": 8, "message": "The function 'Builder' isn't defined.\nTry importing the library that defines 'Builder', correcting the name to the name of an existing function, or defining a function named 'Builder'.", "source": "dart", "startLineNumber": 6, "startColumn": 12, "endLineNumber": 6, "endColumn": 19 },{ "resource": "/home/superuserfucker/Documents/Code/Neo/fake_app/lib/main.dart", "owner": "generated_diagnostic_collection_name#0", "code": { "value": "undefined_class", "target": { "$mid": 1, "path": "/diagnostics/undefined_class", "scheme": "https", "authority": "dart.dev" } }, "severity": 8, "message": "Undefined class 'BuildContext'.\nTry changing the name to the name of an existing class, or creating a class with the name 'BuildContext'.", "source": "dart", "startLineNumber": 7, "startColumn": 17, "endLineNumber": 7, "endColumn": 29 },{ "resource": "/home/superuserfucker/Documents/Code/Neo/fake_app/lib/main.dart", "owner": "generated_diagnostic_collection_name#0", "code": { "value": "undefined_function", "target": { "$mid": 1, "path": "/diagnostics/undefined_function", "scheme": "https", "authority": "dart.dev" } }, "severity": 8, "message": "The function 'Container' isn't defined.\nTry importing the library that defines 'Container', correcting the name to the name of an existing function, or defining a function named 'Container'.", "source": "dart", "startLineNumber": 8, "startColumn": 16, "endLineNumber": 8, "endColumn": 25 },{ "resource": "/home/superuserfucker/Documents/Code/Neo/fake_app/lib/main.dart", "owner": "generated_diagnostic_collection_name#0", "code": { "value": "undefined_identifier", "target": { "$mid": 1, "path": "/diagnostics/undefined_identifier", "scheme": "https", "authority": "dart.dev" } }, "severity": 8, "message": "Undefined name 'MediaQuery'.\nTry correcting the name to one that is defined, or defining the name.", "source": "dart", "startLineNumber": 9, "startColumn": 18, "endLineNumber": 9, "endColumn": 28 },{ "resource": "/home/superuserfucker/Documents/Code/Neo/fake_app/lib/main.dart", "owner": "generated_diagnostic_collection_name#0", "code": { "value": "undefined_identifier", "target": { "$mid": 1, "path": "/diagnostics/undefined_identifier", "scheme": "https", "authority": "dart.dev" } }, "severity": 8, "message": "Undefined name 'EdgeInsets'.\nTry correcting the name to one that is defined, or defining the name.", "source": "dart", "startLineNumber": 10, "startColumn": 19, "endLineNumber": 10, "endColumn": 29 },{ "resource": "/home/superuserfucker/Documents/Code/Neo/fake_app/lib/main.dart", "owner": "generated_diagnostic_collection_name#0", "code": { "value": "undefined_function", "target": { "$mid": 1, "external": "https://dart.dev/diagnostics/undefined_function", "path": "/diagnostics/undefined_function", "scheme": "https", "authority": "dart.dev" } }, "severity": 8, "message": "The function 'BoxDecoration' isn't defined.\nTry importing the library that defines 'BoxDecoration', correcting the name to the name of an existing function, or defining a function named 'BoxDecoration'.", "source": "dart", "startLineNumber": 11, "startColumn": 23, "endLineNumber": 11, "endColumn": 36 },{ "resource": "/home/superuserfucker/Documents/Code/Neo/fake_app/lib/main.dart", "owner": "generated_diagnostic_collection_name#0", "code": { "value": "undefined_identifier", "target": { "$mid": 1, "path": "/diagnostics/undefined_identifier", "scheme": "https", "authority": "dart.dev" } }, "severity": 8, "message": "Undefined name 'Colors'.\nTry correcting the name to one that is defined, or defining the name.", "source": "dart", "startLineNumber": 12, "startColumn": 20, "endLineNumber": 12, "endColumn": 26 },{ "resource": "/home/superuserfucker/Documents/Code/Neo/fake_app/lib/main.dart", "owner": "generated_diagnostic_collection_name#0", "code": { "value": "undefined_function", "target": { "$mid": 1, "path": "/diagnostics/undefined_function", "scheme": "https", "authority": "dart.dev" } }, "severity": 8, "message": "The function 'Text' isn't defined.\nTry importing the library that defines 'Text', correcting the name to the name of an existing function, or defining a function named 'Text'.", "source": "dart", "startLineNumber": 14, "startColumn": 18, "endLineNumber": 14, "endColumn": 22 },{ "resource": "/home/superuserfucker/Documents/Code/Neo/fake_app/lib/main.dart", "owner": "generated_diagnostic_collection_name#0", "code": { "value": "undefined_function", "target": { "$mid": 1, "path": "/diagnostics/undefined_function", "scheme": "https", "authority": "dart.dev" } }, "severity": 8, "message": "The function 'TextStyle' isn't defined.\nTry importing the library that defines 'TextStyle', correcting the name to the name of an existing function, or defining a function named 'TextStyle'.", "source": "dart", "startLineNumber": 14, "startColumn": 41, "endLineNumber": 14, "endColumn": 50 },{ "resource": "/home/superuserfucker/Documents/Code/Neo/fake_app/lib/main.dart", "owner": "generated_diagnostic_collection_name#0", "code": "missing_function_body", "severity": 8, "message": "A function body must be provided.\nTry adding a function body.", "source": "dart", "startLineNumber": 19, "startColumn": 2, "endLineNumber": 19, "endColumn": 2 },{ "resource": "/home/superuserfucker/Documents/Code/Neo/fake_app/lib/main.dart", "owner": "generated_diagnostic_collection_name#0", "code": { "value": "non_constant_identifier_names", "target": { "$mid": 1, "path": "/linter/lints/non_constant_identifier_names.html", "scheme": "https", "authority": "dart-lang.github.io" } }, "severity": 2, "message": "The variable name 'CarouselSlider' isn't a lowerCamelCase identifier.\nTry changing the name to follow the lowerCamelCase style.", "source": "dart", "startLineNumber": 3, "startColumn": 1, "endLineNumber": 3, "endColumn": 15 }]